# Rolog vs Negative Scanner

The clearest difference is in-app purchases: Negative Scanner at none against Rolog's 3. Negative Scanner also leads on update cadence (every 2 days vs every 3 weeks) and iOS requirement (16.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Rolog sells 3 in-app purchases, starting at $2.99 per month. Negative Scanner asks for nothing beyond the download.

Rolog ships an update every 3 weeks, Negative Scanner every 2 days. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Rolog | Negative Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/negative-scanner/id6769307918/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 9 MB | 11 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yuhan Chen](https://appshunter.io/developer/1376584965) | [浩宇 李](https://appshunter.io/developer/1875349921) |

## What reviewers say

### Rolog

[App page](https://appshunter.io/ios/app/rolog/id6756715286)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rolog Pro Monthly | $2.99 | per month |
| Rolog Pro Yearly | $14.99 | per year |
| Rolog Pro Lifetime | $39.99 | one-time |


### 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


## Frequently asked questions

### Is Rolog free?

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

### Is Negative Scanner free?

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

### Do Rolog or Negative Scanner have ads?

Neither Rolog nor Negative Scanner shows ads.

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

Rolog ships an update every 3 weeks, and Negative Scanner every 2 days. Most recently, Rolog was updated on September 10, 2026 and Negative Scanner on September 15, 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.*