# ShootKit Pro vs RoboTou Stacker

The clearest difference is update cadence: RoboTou Stacker at every 5 days against ShootKit Pro's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ShootKit Pro sells 1 one-off in-app purchase and RoboTou Stacker sells 2 in-app purchases, starting at $5.00 per year. Whichever you choose, the download price is not the number that matters.

ShootKit Pro ships an update every 6 months, RoboTou Stacker every 5 days. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ShootKit Pro | RoboTou Stacker |
| --- | --- | --- |
| 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 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 88 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [翔 高](https://appshunter.io/developer/1857419363) | [振国 吴](https://appshunter.io/developer/1739933647) |

## What reviewers say

### ShootKit Pro

[App page](https://appshunter.io/ios/app/shootkit-pro/id6755938093)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Features | $2.99 | one-time |


### 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 |


## Frequently asked questions

### Is ShootKit Pro free?

ShootKit Pro is free to download, with in-app purchases available.

### Is RoboTou Stacker free?

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

### Do ShootKit Pro or RoboTou Stacker have ads?

Neither ShootKit Pro nor RoboTou Stacker shows ads.

### Which is updated more often, ShootKit Pro or RoboTou Stacker?

ShootKit Pro ships an update every 6 months, and RoboTou Stacker every 5 days. Most recently, ShootKit Pro was updated on September 20, 2026 and RoboTou Stacker on September 10, 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.*