# comp study vs SlySeries

The clearest difference is ads: SlySeries at none against comp study's shown. SlySeries also leads on update cadence (weekly vs every 3 weeks). comp study's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

comp study ships an update every 3 weeks, SlySeries weekly. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | comp study | SlySeries |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 16 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Ozge Mungan](https://appshunter.io/developer/1896509921) | [sylvain guillemenot](https://appshunter.io/developer/6790562230) |

## What reviewers say

### comp study

[App page](https://appshunter.io/ios/app/comp-studytrainmovie/id6767801692)

**Features:** macOS Compatibility

**In-app purchases:** none


### SlySeries

[App page](https://appshunter.io/ios/app/slyseries/id6790562228)

**In-app purchases:** none


## Frequently asked questions

### Is comp study free?

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

### Is SlySeries free?

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

### Do comp study or SlySeries have ads?

comp study shows ads; SlySeries does not.

### Which is updated more often, comp study or SlySeries?

comp study ships an update every 3 weeks, and SlySeries weekly. Most recently, comp study was updated on October 5, 2026 and SlySeries on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*