# AB Math Expert vs Reading Train

The clearest difference is price: AB Math Expert at $0.99 against Reading Train's $9.99. AB Math Expert also leads on update cadence (every 3 months vs every 13 months). Reading Train's advantage is iOS requirement (11.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

AB Math Expert costs $0.99 and Reading Train $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AB Math Expert ships an update every 3 months, Reading Train every 13 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | AB Math Expert | Reading Train |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Rating | **[4.1 (13 ratings)](https://appshunter.io/ios/app/ab-math-expert/id423244428/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Paid | — |
| Size | 18 MB | 870 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Lehovetzki](https://appshunter.io/developer/412827944) | [The Learning Station, LLC](https://appshunter.io/developer/702227887) |

## 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


### Reading Train

[App page](https://appshunter.io/ios/app/reading-train-my-first-books/id1201673979)

**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 Reading Train free?

Reading Train costs $9.99, with no in-app purchases.

### Do AB Math Expert or Reading Train have ads?

Neither AB Math Expert nor Reading Train shows ads.

### Which is updated more often, AB Math Expert or Reading Train?

AB Math Expert ships an update every 3 months, and Reading Train every 13 months. Most recently, AB Math Expert was updated on October 29, 2026 and Reading Train on October 26, 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.*