# Stop Motion Studio Pro vs Onion Cam2

The clearest difference is price: Onion Cam2 at Free against Stop Motion Studio Pro's $5.99. Stop Motion Studio Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On ratings volume, device support and iOS requirement there is nothing between them.

Onion Cam2 is free to download; Stop Motion Studio Pro costs $5.99 up front. Onion Cam2 sells 1 one-off in-app purchase. Stop Motion Studio Pro asks for nothing beyond the download.

Stop Motion Studio Pro holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 14K and 5.5K respectively. Written reviews point the same way: 80% of Stop Motion Studio Pro's written reviews are positive against 63% of Onion Cam2's.

Stop Motion Studio Pro ships an update every 2 weeks, Onion Cam2 every 6 months. Both last shipped on October 18, 2026.

## The numbers

| Metric | Stop Motion Studio Pro | Onion Cam2 |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.7 (14K ratings)](https://appshunter.io/ios/app/stop-motion-studio-pro/id640564761/reviews)** | [4.5 (5.5K ratings)](https://appshunter.io/ios/app/onion-cam2-stopmotion-camera/id1352231998/reviews) |
| Number of ratings | **14K** | 5.5K |
| Positive reviews | **79.6% of reviews** | 63.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#12** | — |
| Size | 180 MB | 6 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CATEATER, LLC](https://appshunter.io/developer/388444973) | [Yosuke Seki](https://appshunter.io/developer/824851972) |

## What reviewers say

### Stop Motion Studio Pro

[App page](https://appshunter.io/ios/app/stop-motion-studio-pro/id640564761)

**Currently charting:** #12 Top Paid · Photo & Video, #97 Top Paid (US App Store)

Create stop motion animations with powerful yet easy-to-use tools. An Apple-featured app for making stunning animated films with everyday objects, drawings, or clay. Offers advanced editing, manual camera controls, sound integration, and easy sharing options.

**Highlights:** Onion skinning and animation guides, Frame-by-frame editing, Manual camera controls, Voiceover and sound effects, Green screen effects, 4K export and direct sharing

**Features:** Apple Watch app, iMessage stickers

**In-app purchases:** none

**What reviewers like**

- 🚀 Best stop motion app for mobile
- 👍 Amazing app with great features
- 👍 Excellent for stop motion animation
- 👍 Highly recommended
- 👍 Worth the money

**What reviewers complain about**

- 🐛 Camera issues and glitches
- 🐛 Eraser tool not working well
- 🐛 Audio not working
- 🐛 Frames skipping during playback
- 🐛 Green screen issues

**Reported bugs**

- Remote camera feature not working
- FPS resetting to 5 after changing settings
- Tutorial constantly reappearing
- Frames disappearing when duplicating
- Zooming and framing issues

**Requested features**

- More sound effects and music options
- Ability to sort projects into folders
- More drawing and visual effects options
- Ability to merge videos/projects
- 60fps support


### Onion Cam2

[App page](https://appshunter.io/ios/app/onion-cam2-stopmotion-camera/id1352231998)

Create stop-motion and time-lapse movies with ease. This app allows you to capture images sequentially, using an onion-skin feature to guide your next shot. You can then arrange your photos, export them as a movie, and save multiple projects.

**Highlights:** Onion-skinning for guided capture, Guideline display, Change picture order, Export movies, Save multiple projects, Adjust movie export settings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $3.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Onion skin feature helpful
- 🚀 Great quality exports
- 👍 Simple and straightforward
- 🚀 Good for beginners

**What reviewers complain about**

- 🐛 Camera shakes even when stationary
- 🐛 Crashes when switching camera
- 🐛 Inability to watch/preview videos
- 🐛 Inability to export videos

**Reported bugs**

- Frames snap back when moved
- App crashes when trying to create new video
- Brightness/zoom settings don't save

**Requested features**

- Add sound effects and audio
- Ability to adjust frame rate
- Add multi-select and batch editing tools
- Increase maximum number of frames
- Add timer/remote shutter function


## Frequently asked questions

### Is Stop Motion Studio Pro free?

Stop Motion Studio Pro costs $5.99, with no in-app purchases.

### Is Onion Cam2 free?

Onion Cam2 is free to download, with in-app purchases available.

### Which has better reviews, Stop Motion Studio Pro or Onion Cam2?

Stop Motion Studio Pro is rated higher. Stop Motion Studio Pro averages 4.7 out of 5 from 14K ratings, while Onion Cam2 averages 4.5 from 5.5K ratings.

### Do Stop Motion Studio Pro or Onion Cam2 have ads?

Onion Cam2 shows ads; Stop Motion Studio Pro does not.

### Which is updated more often, Stop Motion Studio Pro or Onion Cam2?

Stop Motion Studio Pro ships an update every 2 weeks, and Onion Cam2 every 6 months. Most recently, Stop Motion Studio Pro was updated on October 18, 2026 and Onion Cam2 on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*