Frequently Asked Questions
Most frequent questions and answers
Callipeg is a 2D animation application designed for frame-by-frame animation on tablets and desktop computers. Designed for pros and beginners alike, it is available on iPad, iPhone (Callipeg mini), Android tablets, Windows and macOS (Callipeg Studio).
Callipeg is available on iPad, iPhone (Callipeg mini), Android tablets, Windows and macOS (Callipeg Studio). At the moment, each version is designed for its platform while maintaining file compatibility across supported devices.
Yes. Callipeg shots (aka peg files) can be transferred between supported platforms. You can continue working on the same shot on another compatible version of Callipeg.
Callipeg supports importing several image and file formats (audio, video, JSON, etc.), including PSD files. See the documentation for the complete and up-to-date list.
Callipeg can export animations, videos, image sequences and shot data in several industry-standard formats. Supported export formats include PEG, MP4, HEVC, GIF, PNG, TGA, JSON, OCA and XDTS, making it easy to share animations or continue working in other animation and compositing software.
Export formats supported by Callipeg:
PEG – The native Callipeg file format. PEG files can only be opened in Callipeg.
MP4 – Standard video format for sharing and publishing animations.
HEVC* – High-efficiency video format, available with or without transparency. *iPad/iPhone versions only
GIF – Animated image format suitable for websites, social media and messaging platforms.
PNG – Can be exported as a still image or an image sequence. Callipeg can also preserve the layer structure by exporting one folder per layer containing a PNG file for each frame or sheet.
TGA – Targa image format, available as a still image or an image sequence.
JSON – Animation data format compatible with software such as TVPaint Animation, Toon Boom Harmony and Adobe After Effects.
OCA – Open Cel Animation format compatible with Blender.
XDTS – Exposure sheet format compatible with CLIP STUDIO PAINT, Toei Digital Exposure Sheet and OpenToonz.
Callipeg export options allow artists to integrate their work into professional animation pipelines while maintaining compatibility with a wide range of industry tools.
Callipeg stores your files locally on your device. Depending on your platform, you can also back up your shots using cloud storage services to keep your work safe.
iPad and iPhone: Files are stored locally on your device. You can create backups using iCloud.
Android: Files are stored locally on your device.
Windows and macOS: Files are stored locally on your computer. You can create backups using your preferred cloud storage service.
We recommend backing up your Callipeg shots regularly and outside of the app folder to help prevent data loss in case of device failure, loss or accidental deletion.
No. Callipeg does not require a permanent internet connection to access the app and animate. An internet connection is only required for downloading the application and updating.
Callipeg is available as a one-time purchase with no subscription. The price depends on the platform: Callipeg mini for iPhone: US$5, Callipeg for iPad and Android tablets: US$15, and Callipeg Studio for Windows and macOS: US$30. Prices may vary slightly depending on your country, local currency and applicable taxes. Callipeg is available from the official stores for each platform:
No. Callipeg is not a subscription. You purchase a perpetual license through the app store for your platform.
Callipeg can only be purchased through the official app store for your platform. There is no online store on the Callipeg website. Callipeg is available on the Apple App Store (iPad, iPhone and macOS), Google Play (Android tablets), and the Microsoft Store (Windows). Callipeg Studio will also be available on Steam for Windows.
Callipeg is distributed through the official app stores for each platform, including the Apple App Store, Google Play, Microsoft Store and (coming soon) Steam. These platforms provide secure payment processing, automatic updates, platform-specific license management, and handle local taxes such as VAT, GST and sales tax where applicable. This allows us to focus on developing and improving Callipeg while ensuring purchases comply with local regulations worldwide.
No. Callipeg licenses cannot be transferred between different app stores or operating systems. Each platform manages its own purchases independently.
No. Licenses purchased on one store cannot be transferred to another store. This limitation is imposed by the different platform ecosystems.
Yes. Each platform requires its own purchase because every store manages licenses independently.
Callipeg updates are included with your purchase.
Yes. Educational and volume purchases are available for the iPad, iPhone and macOS versions of Callipeg through Apple School Manager and Apple Business Manager. For Windows, we are currently exploring private distribution options for animation studios and other organizations. If your school, studio or organization is interested in purchasing multiple Windows licenses, please contact us to discuss your needs and adapt to your current infrastructure.
Callipeg availability depends on the regulations and requirements of each country or territory. In some regions, local tax or legal requirements may require us to work with a local representative before we can offer Callipeg for purchase. We are continuously evaluating availability in new regions and hope to make Callipeg accessible to more users worldwide in the future.
Callipeg Studio supports Windows 10 and Windows 11. We recommend keeping Windows up to date to ensure the best compatibility, performance and security.
Yes. Callipeg Studio is compatible with Windows 10. We recommend using the latest version of Windows 10 with the most recent system updates for the best experience.
Yes. Callipeg Studio supports drawing tablets (graphics tablets) with pressure sensitivity on Windows.
Yes. Callipeg Studio supports touchscreens on compatible Windows devices.
Yes. Callipeg Studio supports Microsoft Surface devices.
If your pen is not working correctly, first check that Windows Ink and the required tablet drivers are installed.
Pressure sensitivity issues are usually caused by missing or outdated tablet drivers. Updating your drivers often resolves the problem.
If Callipeg Studio won't launch, try the following steps:
Surface users – Install the latest Qualcomm graphics driver
If you are using a Microsoft Surface device with a Qualcomm Snapdragon processor and Callipeg Studio does not launch, install the latest Qualcomm graphics driver available for your device, then try launching Callipeg Studio again.
https://softwarecenter.qualcomm.com/catalog/item/Qualcomm_Software_Center/
Step 1 – Check Windows Security
Open Windows Security and review the Protection history. If Callipeg Studio has been blocked, allow the application. Windows will automatically resume launching Callipeg Studio.
Step 2 – Reset the Settings file
If the problem persists, close Callipeg Studio and delete the Settings file. By default, it is located in C:\Users\*username*\Documents\Callipeg Studio, although the location may be different if you selected another project directory.
Warning: deleting the Settings file resets all your preferences to their default values. Restart Callipeg Studio after deleting the file.
Step 3 – Contact support
If the issue is still not resolved, export your Callipeg Studio logs and send them through our contact form, along with a description of the problem and the steps that led to the issue. This information will help us investigate the problem more efficiently.
You can reset Callipeg Studio settings by deleting the Settings file. This restores all preferences to their default values and cannot be undone. The Settings file is usually located inside your Callipeg Studio directory (C:\Users\*username*\Documents\Callipeg Studio). If you chose a different location for your Callipeg Studio files, look for the Settings file inside that directory instead.
If Callipeg Studio crashes, send us a description of what happened together with the application logs through our contact form. This helps us identify and fix the problem.
You can export Callipeg Studio logs directly from the Studio by clicking on this icon 
. Send the zip file as well as a description of the problem through our contact form so that we can investigate.
Callipeg Studio requires macOS 15 or later.
Yes. Callipeg Studio supports Apple Silicon Macs (M1 chips and higher).
Currently, Callipeg Studio does not officially support Intel-based Macs. We may consider Intel Mac support in the future depending on user demand and technical feasibility.
Yes. Callipeg Studio supports compatible drawing tablets (graphics tablets) on macOS.
macOS may restrict Callipeg Studio's access to files or input devices until the required permissions are enabled. Go to System Settings → Privacy & Security and select the relevant permission category for Callipeg Studio. You can grant access to specific folders or enable Full Disk Access if required. If you are using a drawing tablet, make sure Callipeg Studio has the necessary permissions requested by macOS. Restart Callipeg Studio after changing permissions.
Most graphics tablet issues can be resolved by checking the tablet driver and macOS permissions.
You can reset Callipeg Studio by deleting the Settings folder. This restores the application's default preferences.
By default, the Settings file is located in: ~/Library/Containers/Callipeg Studio
Warning: Deleting the Settings file resets all your preferences. This action cannot be undone.
If Callipeg Studio crashes, send us the application logs together with a description of what happened.
You can export Callipeg Studio logs directly from the Studio by clicking on this icon . Send the zip file as well as a description of the problem through our contact form so that we can investigate.
Callipeg is compatible with iPad models running iPadOS 15 or later.
Callipeg requires iPadOS 15 or later. We recommend keeping your iPad updated to the latest supported version of iPadOS for the best compatibility and performance.
Yes. Callipeg supports Apple Pencil. Apple Pencil is recommended for the best experience.
Callipeg supports Apple Pencil on compatible iPad models. The available features depend on your iPad model and Apple Pencil generation.
Yes. You can draw in Callipeg without Apple Pencil, but pressure sensitivity will not be available. For the full drawing experience, including pressure-sensitive strokes, an Apple Pencil is strongly recommended.
Yes. Callipeg shots can be transferred between supported versions of Callipeg. This allows you to continue working on your animations across devices.
Callipeg shots are stored locally on your iPad in the Files app, inside the On My iPad > Callipeg folder. You can create backups by copying your files to another location, including iCloud or another storage solution. We recommend keeping backups outside the Callipeg folder to prevent accidental data loss. Deleting the Callipeg app may also delete the Callipeg folder and all shots stored inside it.
Yes. Callipeg supports keyboard shortcuts on compatible iPads with an external keyboard.
Yes. Callipeg can import Photoshop (PSD) files.
If a Callipeg shot does not open correctly or some drawings appear to be missing, there may be a compression issue affecting the project file. Please send us the .peg file through our contact form. We will check the file and attempt to repair or recover it.
Callipeg is compatible with tablets running Android 11 or later, with a minimum of 4 GB of RAM required.
Callipeg requires Android 11 or later. We recommend keeping your device updated to ensure the best compatibility and performance.
No. Callipeg is not compatible with HarmonyOS or OxygenOS.
Yes. Callipeg supports compatible pressure-sensitive styluses on supported Android devices.
Yes. Callipeg can be used with touch input or a mouse, but pressure sensitivity requires a compatible pressure-sensitive stylus. To enable finger or mouse drawing, go to Settings → Canvas and enable Finger/Mouse Drawing. For the best drawing and animation experience, we recommend using a pressure-sensitive stylus.
Callipeg stores files locally on your Android device. We recommend backing up your shots regularly.
If your stylus is not responding correctly, first check that your device software and stylus firmware are up to date, then restart your device.
Some styluses won't allow you to switch from brush to eraser as they continuously send command instructions to the brush. To disable this behavior, go to Settings → Canvas and turn off "Pen button switches tool".
Callipeg mini is the iPhone version of Callipeg, bringing animation tools to a smaller interface designed for iPhone. It can also be used as a remote control for Callipeg on iPad, allowing you to control your animation workflow from your phone.
Callipeg mini is compatible with supported iPhone models running iOS 14 or later. We recommend using a recent iPhone model for the best performance and experience.
Callipeg mini requires iOS 14 or later. We recommend keeping your iPhone updated to the latest supported version of iOS for the best compatibility, performance and security.
Yes. Callipeg mini can open Callipeg shots created on iPad and other supported platforms.
Yes. Callipeg shots can be transferred between supported devices, allowing you to continue your work wherever you prefer.
No. Apple Pencil is only supported on compatible iPad models.
Yes. Callipeg mini supports finger input on iPhone.
Yes. Callipeg files (aka peg files) are designed to be compatible across supported versions of Callipeg on iPad, iPhone, Android tablets, Windows and macOS.
Most Callipeg features are available across platforms, but some features may vary depending on the operating system and hardware. You can check our Features page for a detailed comparison of available features on each platform.
Currently, some features are not available on Android tablets, including:
- Brush color mix and smudge
- Inbetween Assist
- Color sliders in the floating menu
Our goal is for the tablet versions of Callipeg (iPad and Android) to provide the same Callipeg Studio experience, including the same interface and features.
Choose the version of Callipeg that matches the device you use for drawing and animation. The iPad version is optimized for Apple Pencil, and the Android version, for compatible styluses. Callipeg Studio for Windows and macOS is designed for desktop workflows with graphics tablets or integrated touchscreens.
Yes. Callipeg supports several exchange formats, making it easy to integrate with other animation and compositing software. You can export shots in JSON, OCA and XDTS formats for use in applications such as TVPaint Animation, Toon Boom Harmony, Adobe After Effects, Blender, CLIP STUDIO PAINT and OpenToonz.
Callipeg also imports JSON files and XDTS files from TVPaint Animation and Toei Digital TimeSheet, making it easier to continue working on existing animation projects across compatible applications.
Linux support for Callipeg Studio is currently in testing and is not yet officially available. We plan to release Callipeg Studio for Linux through Steam. When Linux support is officially released, a single Steam license will work on both Windows and Linux. We will update this FAQ as soon as Linux support becomes available.
Yes. We occasionally open beta testing periods for upcoming Callipeg versions and new features. Beta access is not always available and depends on our current development needs. To be notified about future beta opportunities, keep an eye on our website announcements or contact us to express your interest.
You can join the Callipeg Discord community for technical support, feedback, news and discussions with other Callipeg users. You can also find community resources such as additional brushes shared for Callipeg on Discord.
