# 新视连 vs RoboTou Stacker

The clearest difference is in-app purchases: 新视连 at none against RoboTou Stacker's 2. 新视连 also leads on iOS requirement (12.0 vs 17.0). RoboTou Stacker's advantage is update cadence (every 5 days vs every 21 months). On price, ads and device support there is nothing between them.

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

新视连 ships an update every 21 months, RoboTou Stacker every 5 days. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 新视连 | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 88 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [深圳前海翼联科技有限公司](https://appshunter.io/developer/1462846411) | [振国 吴](https://appshunter.io/developer/1739933647) |

## What reviewers say

### 新视连

[App page](https://appshunter.io/ios/app/id1631943880)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 新视连 free?

新视连 is free to download, with no in-app purchases.

### Is RoboTou Stacker free?

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

### Do 新视连 or RoboTou Stacker have ads?

Neither 新视连 nor RoboTou Stacker shows ads.

### Which is updated more often, 新视连 or RoboTou Stacker?

新视连 ships an update every 21 months, and RoboTou Stacker every 5 days. Most recently, 新视连 was updated on September 22, 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.*