# Negative Scanner vs 过来

The clearest difference is in-app purchases: Negative Scanner at none against 过来's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 过来 sells 1 one-off in-app purchase. Negative Scanner asks for nothing beyond the download.

Negative Scanner ships an update every 2 days, 过来 every 3 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Negative Scanner | 过来 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/negative-scanner/id6769307918/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Free | — |
| Size | 11 MB | 102 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [浩宇 李](https://appshunter.io/developer/1875349921) | [琪 闫](https://appshunter.io/developer/1832244905) |

## What reviewers say

### Negative Scanner

[App page](https://appshunter.io/ios/app/negative-scanner/id6769307918)

Digitize film negatives quickly and easily. This tool automatically detects borders, corrects distortion, and converts negatives to positives with accurate color correction. Supports batch scanning and custom image enhancements for film photographers.

**Highlights:** Automatic film border detection and cropping, Perspective distortion correction, Automatic negative to positive conversion, Automatic base color correction, Batch scanning for entire film rolls, Custom color grading and image enhancement

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

**In-app purchases:** none


### 过来

[App page](https://appshunter.io/ios/app/id6776916074)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HerePro | $2.99 | one-time |


## Frequently asked questions

### Is Negative Scanner free?

Negative Scanner is free to download, with no in-app purchases.

### Is 过来 free?

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

### Do Negative Scanner or 过来 have ads?

Neither Negative Scanner nor 过来 shows ads.

### Which is updated more often, Negative Scanner or 过来?

Negative Scanner ships an update every 2 days, and 过来 every 3 days. Most recently, Negative Scanner was updated on October 2, 2026 and 过来 on October 1, 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.*