# Maths Dictionary vs Treebii

Maths Dictionary and Treebii 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.

Maths Dictionary ships an update weekly, Treebii fortnightly. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Maths Dictionary | Treebii |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | — |
| Size | 120 MB | 76 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BLACASA VIETNAM COMPANY LIMITED](https://appshunter.io/developer/1408664620) | [Dai Su Quach](https://appshunter.io/developer/1862073797) |

## What reviewers say

### Maths Dictionary

[App page](https://appshunter.io/ios/app/maths-dictionary/id6467556525)

This app helps Vietnamese students learn English math terms with visual aids and examples. It's designed to supplement English math courses, making complex terminology more accessible and improving learning efficiency.

**Highlights:** English math terminology, Visual illustrations, Example explanations, Supports primary and secondary school levels, Aids in Cambridge English Math courses

**Features:** macOS Compatibility

**In-app purchases:** none


### Treebii

[App page](https://appshunter.io/ios/app/treebii-master-english/id6756645532)

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

**In-app purchases:** none


## Frequently asked questions

### Is Maths Dictionary free?

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

### Is Treebii free?

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

### Do Maths Dictionary or Treebii have ads?

Neither Maths Dictionary nor Treebii shows ads.

### Which is updated more often, Maths Dictionary or Treebii?

Maths Dictionary ships an update weekly, and Treebii fortnightly. Most recently, Maths Dictionary was updated on September 8, 2026 and Treebii on September 9, 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.*