# Studysoft vs Centum

The clearest difference is iOS requirement: Studysoft at 15.1 against Centum's 18.0. On price, update cadence, ads 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.

Studysoft ships an update every 11 days, Centum every 2 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Studysoft | Centum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Size | 35 MB | 4 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Enrico Tan](https://appshunter.io/developer/1895908045) | [北京智敦科技有限公司](https://appshunter.io/developer/6794209235) |

## What reviewers say

### Studysoft

[App page](https://appshunter.io/ios/app/studysoft-the-self-study-app/id6764765331)

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

**In-app purchases:** none


### Centum

[App page](https://appshunter.io/ios/app/centum-movie-shadowing/id6797403060)

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

**In-app purchases:** none


## Frequently asked questions

### Is Studysoft free?

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

### Is Centum free?

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

### Do Studysoft or Centum have ads?

Neither Studysoft nor Centum shows ads.

### Which is updated more often, Studysoft or Centum?

Studysoft ships an update every 11 days, and Centum every 2 weeks. Most recently, Studysoft was updated on October 24, 2026 and Centum on October 21, 2026.

---

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