# FactorFile vs Slo

The clearest difference is in-app purchases: FactorFile at none against Slo's 1. FactorFile also leads on update cadence (every 11 days vs every 4 months) and iOS requirement (13.0 vs 17.5). On price, ads and device support there is nothing between them.

Both are free to download. Slo sells 1 one-off in-app purchase. FactorFile asks for nothing beyond the download.

FactorFile ships an update every 11 days, Slo every 4 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FactorFile | Slo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/slo-mo-remover/id6503729591/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 months |
| Monetization | — | Free |
| Size | 10 MB | 1 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DEVBASE MOBILE LTD](https://appshunter.io/developer/1698860736) | [Jeongun Kim](https://appshunter.io/developer/1023494849) |

## What reviewers say

### FactorFile

[App page](https://appshunter.io/ios/app/factorfile/id1644602221)

**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 FactorFile free?

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

### Is Slo free?

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

### Do FactorFile or Slo have ads?

Neither FactorFile nor Slo shows ads.

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

FactorFile ships an update every 11 days, and Slo every 4 months. Most recently, FactorFile was updated on October 27, 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.*