# Cambridge Reader vs Ouistiti Maths

The clearest difference is in-app purchases: Cambridge Reader at none against Ouistiti Maths's 3. Cambridge Reader also leads on iOS requirement (11.0 vs 17.0). Ouistiti Maths's advantage is update cadence (every 5 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Ouistiti Maths sells 3 in-app purchases, starting at $0.99 per month. Cambridge Reader asks for nothing beyond the download.

Cambridge Reader ships an update every 6 months, Ouistiti Maths every 5 days. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Cambridge Reader | Ouistiti Maths |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (52 ratings)](https://appshunter.io/ios/app/cambridge-reader/id1562324671/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 9.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 96 MB | 32 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cambridge University Press & Assessment (App)](https://appshunter.io/developer/345571525) | [ED'S MONKEYS CONSULTING](https://appshunter.io/developer/648583339) |

## What reviewers say

### Cambridge Reader

[App page](https://appshunter.io/ios/app/cambridge-reader/id1562324671)

Access your Cambridge University Press ebooks offline on your mobile device. Download videos and audio to prepare for classes. Requires web registration and login details.

**Highlights:** Access Cambridge ebooks offline, Download videos and audio, View enhanced online content, Requires web registration, Supports iOS 11.0+

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

**In-app purchases:** none

**What reviewers like**

- 👍 Useful textbooks and worked examples
- 👍 App is amazing (rare positive)
- 👍 So easy to use (rare positive)
- 👍 Good app. Works fine (rare positive)

**What reviewers complain about**

- 🐛 Unusable app experience
- 🐛 App is slow and laggy
- 🐛 Randomly goes back a page
- 🐛 Doesn't fit screen properly
- 🐛 Cannot split screen

**Reported bugs**

- Randomly goes back a page
- App doesn't fit screen
- Cannot split screen
- App glitches and freezes
- App crashes frequently

**Requested features**

- Add landscape mode for iPhones
- Allow split screen functionality
- Improve scrolling (horizontal and vertical)
- Fix page loading issues
- Enable note-taking within the app


### Ouistiti Maths

[App page](https://appshunter.io/ios/app/ouistiti-maths/id6807986243)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ouistiti Pro — Monthly | $0.99 | per month |
| Ouistiti Pro — Yearly | $8.99 | per year |
| Ouistiti Pro — Lifetime | $17.99 | one-time |


## Frequently asked questions

### Is Cambridge Reader free?

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

### Is Ouistiti Maths free?

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

### Do Cambridge Reader or Ouistiti Maths have ads?

Neither Cambridge Reader nor Ouistiti Maths shows ads.

### Which is updated more often, Cambridge Reader or Ouistiti Maths?

Cambridge Reader ships an update every 6 months, and Ouistiti Maths every 5 days. Most recently, Cambridge Reader was updated on October 14, 2026 and Ouistiti Maths on October 18, 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.*