# scallion vs Slo

The clearest difference is price: Slo at Free against scallion's $2.99. scallion's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

Slo is free to download; scallion costs $2.99 up front. Slo sells 1 one-off in-app purchase. scallion asks for nothing beyond the download.

scallion holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

scallion ships an update every 2 days, Slo every 4 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | scallion | Slo |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/scallion-ai-compressor/id6502593084/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/slo-mo-remover/id6503729591/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 months |
| Monetization | Paid | **Free** |
| Size | 17 MB | 1 MB |
| Requires iOS | **13.4** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jesse Benjamin](https://appshunter.io/developer/1726511530) | [Jeongun Kim](https://appshunter.io/developer/1023494849) |

## What reviewers say

### scallion

[App page](https://appshunter.io/ios/app/scallion-ai-compressor/id6502593084)

This app uses AI to compress photos and videos, freeing up device storage without sacrificing quality. Its intuitive interface makes it easy to select files, choose compression levels, and share your optimized media.

**Highlights:** AI-powered compression, Compress photos and videos, Adjustable compression levels, User-friendly interface, Direct sharing of compressed media, Save device space

**Features:** macOS Compatibility

**In-app purchases:** none


### Slo

[App page](https://appshunter.io/ios/app/slo-mo-remover/id6503729591)

Adjust the playback speed of slow-motion videos without altering the original video file. This app allows you to modify multiple videos simultaneously, with changes automatically saved to your Photos app. You can easily revert to the original slow-motion segments by editing within the Photos app.

**Highlights:** Adjust slow-motion playback range, Batch processing for multiple videos, Non-destructive video editing, Automatic saving to Photos app, Restore original slow-motion segments

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Video limit | $0.99 | one-time |


## Frequently asked questions

### Is scallion free?

scallion costs $2.99, with no in-app purchases.

### Is Slo free?

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

### Which has better reviews, scallion or Slo?

scallion is rated higher. scallion averages 5.0 out of 5 from 2 ratings, while Slo averages 3.0 from 2 ratings.

### Do scallion or Slo have ads?

Neither scallion nor Slo shows ads.

### Which is updated more often, scallion or Slo?

scallion ships an update every 2 days, and Slo every 4 months. Most recently, scallion was updated on October 22, 2026 and Slo on October 24, 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.*