# RoboTou Stacker vs Ezen Cut

The clearest difference is in-app purchases: Ezen Cut at none against RoboTou Stacker's 2. Ezen Cut also leads on iOS requirement (15.0 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. RoboTou Stacker sells 2 in-app purchases, starting at $5.00 per year. Ezen Cut asks for nothing beyond the download.

RoboTou Stacker ships an update every 5 days, Ezen Cut every 3 days. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | RoboTou Stacker | Ezen Cut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/robotou-stacker/id6761755082/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 88 MB | 159 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [振国 吴](https://appshunter.io/developer/1739933647) | [内蒙古毅金云科技有限公司](https://appshunter.io/developer/1838621680) |

## What reviewers say

### RoboTou Stacker

[App page](https://appshunter.io/ios/app/robotou-stacker/id6761755082)

Combine multiple photos directly on your device for enhanced results. This app offers automatic masking and alignment for various photography needs, including starry skies and light trails. Process your images locally without needing an account or cloud sync.

**Highlights:** On-device image stacking, Automatic masking and alignment, Starry sky stacking, Star trail stacking, Car-light trail stacking, Local preview generation, Export to Photos

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RoboTou Stacker Pro Annual | $5.00 | per year |
| RoboTou Stacker Pro Lifetime | $39.99 | one-time |


### Ezen Cut

[App page](https://appshunter.io/ios/app/ezen-cut/id6765809121)

This tool uses AI to automatically generate and edit multilingual video subtitles. It offers a professional editor for precise adjustments, unique traditional Mongolian vertical typesetting, and multi-language translation. Export videos with burned-in subtitles or as separate subtitle files and audio.

**Highlights:** AI-powered multilingual subtitle generation, Professional subtitle editor, Traditional Mongolian vertical typesetting, Multi-language translation, Local video export with burned-in subtitles, SRT, VTT, ASS subtitle export, MP3/WAV audio export

**In-app purchases:** none


## Frequently asked questions

### Is RoboTou Stacker free?

RoboTou Stacker is free to download, with in-app purchases available.

### Is Ezen Cut free?

Ezen Cut is free to download, with no in-app purchases.

### Do RoboTou Stacker or Ezen Cut have ads?

Neither RoboTou Stacker nor Ezen Cut shows ads.

### Which is updated more often, RoboTou Stacker or Ezen Cut?

RoboTou Stacker ships an update every 5 days, and Ezen Cut every 3 days. Most recently, RoboTou Stacker was updated on September 29, 2026 and Ezen Cut on September 30, 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.*