# Stop Motion Studio vs Iris Vision

The clearest difference is in-app purchases: Iris Vision at none against Stop Motion Studio's 1. Iris Vision also leads on update cadence (every 2 days vs every 2 weeks) and rating (5.0 vs 4.6). Stop Motion Studio's advantage is ratings volume (78K vs 1) and chart position (#208 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stop Motion Studio sells 1 one-off in-app purchase. Iris Vision asks for nothing beyond the download.

Iris Vision holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Stop Motion Studio has 78K ratings behind it against 1, so its average is the more settled of the two.

Stop Motion Studio ships an update every 2 weeks, Iris Vision every 2 days. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Stop Motion Studio | Iris Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (78K ratings)](https://appshunter.io/ios/app/stop-motion-studio/id441651297/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iris-vision/id6499025034/reviews)** |
| Number of ratings | **78K** | 1 |
| Positive reviews | 79.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#208** | — |
| Size | 179 MB | 19 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CATEATER, LLC](https://appshunter.io/developer/388444973) | [Chun-Huei Liu](https://appshunter.io/developer/1657411874) |

## What reviewers say

### Stop Motion Studio

[App page](https://appshunter.io/ios/app/stop-motion-studio/id441651297)

**Currently charting:** #208 Top Free · Photo & Video (US App Store)

Easily create stop motion animations and films with powerful editing tools. Capture every frame with manual camera controls, add sound and effects, and share your creations in high definition. Suitable for beginners and experienced animators alike.

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

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Features Forever | $5.99 | one-time |

**What reviewers like**

- 🚀 Great for stop motion
- 👍 Easy to use
- 👍 Allows for creative expression
- 👍 Good for beginners
- 👍 Helpful tutorials

**What reviewers complain about**

- 💰 Many features locked behind paywall
- 🐛 Glitches and bugs
- 🔋 Battery draining
- 🔍 Limited free features
- 🔍 Restricted editing options without premium

**Reported bugs**

- Camera shaking/blurry issues
- Sound not working properly
- Frames skipping or lagging
- Inability to restore deleted projects
- Inconsistent performance across devices

**Requested features**

- More free features and effects
- Improved erasing and editing tools
- Ability to import photos and videos
- More sound effects and audio options
- Easier way to add text and titles


### Iris Vision

[App page](https://appshunter.io/ios/app/iris-vision/id6499025034)

Capture detailed iris photographs with your iPhone. The app offers guided shooting and two modes for different levels of detail, automatically saving your images with relevant information.

**Highlights:** Automatic iris photography, Guided capture with visual cues, Normal and Macro capture modes, Video recording for gaze positions, Automatic photo naming and organization, Save directly to photo library

**In-app purchases:** none


## Frequently asked questions

### Is Stop Motion Studio free?

Stop Motion Studio is free to download, with in-app purchases available.

### Is Iris Vision free?

Iris Vision is free to download, with no in-app purchases.

### Which has better reviews, Stop Motion Studio or Iris Vision?

Iris Vision is rated higher. Stop Motion Studio averages 4.6 out of 5 from 78K ratings, while Iris Vision averages 5.0 from 1 ratings.

### Do Stop Motion Studio or Iris Vision have ads?

Neither Stop Motion Studio nor Iris Vision shows ads.

### Which is updated more often, Stop Motion Studio or Iris Vision?

Stop Motion Studio ships an update every 2 weeks, and Iris Vision every 2 days. Most recently, Stop Motion Studio was updated on October 3, 2026 and Iris Vision on September 29, 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.*