# AB Math Expert vs Lexico Comprendre 2 Pro

The clearest difference is price: AB Math Expert at $0.99 against Lexico Comprendre 2 Pro's $24.99. AB Math Expert also leads on device support (3 vs 1) and iOS requirement (8.0 vs 12.0). Lexico Comprendre 2 Pro's advantage is update cadence (every 3 weeks vs every 2 months). On ads and in-app purchases there is nothing between them.

AB Math Expert costs $0.99 and Lexico Comprendre 2 Pro $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AB Math Expert ships an update every 2 months, Lexico Comprendre 2 Pro every 3 weeks. The most recent releases landed on September 26, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | AB Math Expert | Lexico Comprendre 2 Pro |
| --- | --- | --- |
| Price | **$0.99** | $24.99 |
| Rating | **[4.1 (13 ratings)](https://appshunter.io/ios/app/ab-math-expert/id423244428/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 96.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 17 MB | 72 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Lehovetzki](https://appshunter.io/developer/412827944) | [Pappy GmbH](https://appshunter.io/developer/461368271) |

## What reviewers say

### AB Math Expert

[App page](https://appshunter.io/ios/app/ab-math-expert/id423244428)

Engage in a fast-paced mental calculation game that tests your speed and concentration. Click on bubbles in ascending order to solve math problems under time pressure. Compete globally and challenge yourself with five difficulty levels.

**Highlights:** Mental calculation game, Bubble clicking in ascending order, Speed and concentration challenge, Global ranking via Game Center, 5 difficulty levels, Universal app for iPad and iPhone

**Features:** Vision Pro support

**In-app purchases:** none


### Lexico Comprendre 2 Pro

[App page](https://appshunter.io/ios/app/lexico-comprendre-2-pro/id1292642716)

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

**In-app purchases:** none


## Frequently asked questions

### Is AB Math Expert free?

AB Math Expert costs $0.99, with no in-app purchases.

### Is Lexico Comprendre 2 Pro free?

Lexico Comprendre 2 Pro costs $24.99, with no in-app purchases.

### Do AB Math Expert or Lexico Comprendre 2 Pro have ads?

Neither AB Math Expert nor Lexico Comprendre 2 Pro shows ads.

### Which is updated more often, AB Math Expert or Lexico Comprendre 2 Pro?

AB Math Expert ships an update every 2 months, and Lexico Comprendre 2 Pro every 3 weeks. Most recently, AB Math Expert was updated on September 26, 2026 and Lexico Comprendre 2 Pro on July 17, 2026.

---

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