# 99Plus vs THESSA

99Plus and THESSA are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 99Plus | THESSA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 28 MB | 112 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flexiata Pty Ltd](https://appshunter.io/developer/1588180919) | [EXAM GENIUS (PRIVATE) LIMITED](https://appshunter.io/developer/1826043614) |

## What reviewers say

### 99Plus

[App page](https://appshunter.io/ios/app/99plus/id6670314903)

**In-app purchases:** none


### THESSA

[App page](https://appshunter.io/ios/app/thessa-cambridge-ol/id6748521339)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 99Plus free?

99Plus is free to download, with no in-app purchases.

### Is THESSA free?

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

### Do 99Plus or THESSA have ads?

Neither 99Plus nor THESSA shows ads.

### Which is updated more often, 99Plus or THESSA?

99Plus ships an update weekly, and THESSA weekly. Most recently, 99Plus was updated on October 2, 2026 and THESSA on October 10, 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.*