# iMathGenius vs Vocab Express

iMathGenius and Vocab Express both sit at 5.0 stars, but that hides the real split: 100% of iMathGenius's written reviews are positive against 17% of Vocab Express's. Vocab Express's advantage is price (Free vs $2.99) and iOS requirement (7.0 vs 15.6). On rating, ratings volume, update cadence and ads there is nothing between them.

Vocab Express is free to download; iMathGenius costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for iMathGenius against 5.0 for Vocab Express. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 100% of iMathGenius's written reviews are positive against 17% of Vocab Express's.

iMathGenius ships an update every 9 months, Vocab Express every 13 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | iMathGenius | Vocab Express |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/imathgenius/id521504939/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/vocab-express/id852261384/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **100.0% of reviews** | 17.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 13 months |
| Monetization | Paid | **Free** |
| Size | 6 MB | 13 MB |
| Requires iOS | 15.6 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duo Pisceses, Inc.](https://appshunter.io/developer/850707063) | [HarperCollins Publishers Ltd](https://appshunter.io/developer/355861228) |

## What reviewers say

### iMathGenius

[App page](https://appshunter.io/ios/app/imathgenius/id521504939)

This interactive math game enhances mathematical skills through engaging challenges. It offers a wide range of operations and concepts, from basic arithmetic to advanced calculus, with difficulty levels suitable for all ages. Track progress with summary reports and unlock images of mathematicians as rewards.

**Highlights:** Multiple difficulty levels (Kindergarten to Pre-College), Covers addition, subtraction, multiplication, division, Includes geometry, algebra, calculus, and probability, Reward points system based on age and difficulty, Summary performance reports, Unlockable mathematician images

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

**In-app purchases:** none


### Vocab Express

[App page](https://appshunter.io/ios/app/vocab-express/id852261384)

Learn vocabulary on the go with this mobile app. Access all your learning lists, track progress, and prepare for exams with structured revision tools. Native speaker audio aids pronunciation.

**Highlights:** Mobile access to learning lists, Real-time class scoreboards, Structured vocabulary expansion, Exam preparation and revision, Native speaker audio for pronunciation, Progress monitoring and challenging word focus

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient for homework
- 👍 Good for learning languages
- 👍 Helps improve languages
- 👍 Easy to do on phone
- 👍 Works for GCSE

**What reviewers complain about**

- 😡 Frustrating resets
- 😡 Irritating memorization method
- 😡 Slow loading times
- 😡 Constant restarts
- 😡 Technical issues

**Reported bugs**

- App crashes on opening
- Stuck in launch learning
- Cannot get out of launch learning
- Network error when starting app
- Internet problem despite connection

**Requested features**

- Allow 2 tries per task
- Matchup challenge like website
- Option for easy restarts
- Allow continuation after leaving test
- Fix Spanish to Spanish listening


## Frequently asked questions

### Is iMathGenius free?

iMathGenius costs $2.99, with no in-app purchases.

### Is Vocab Express free?

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

### Which has better reviews, iMathGenius or Vocab Express?

iMathGenius and Vocab Express are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do iMathGenius or Vocab Express have ads?

Neither iMathGenius nor Vocab Express shows ads.

### Which is updated more often, iMathGenius or Vocab Express?

iMathGenius ships an update every 9 months, and Vocab Express every 13 months. Most recently, iMathGenius was updated on November 1, 2026 and Vocab Express on November 1, 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.*