# Math Trainer vs IR Theory Explorer

The clearest difference is price: Math Trainer at Free against IR Theory Explorer's $1.99. Math Trainer also leads on ratings volume (15 vs 1) and device support (4 vs 2). IR Theory Explorer's advantage is rating (5.0 vs 4.3) and in-app purchases (none vs 1). On ads there is nothing between them.

Math Trainer is free to download; IR Theory Explorer costs $1.99 up front. Math Trainer sells 1 one-off in-app purchase. IR Theory Explorer asks for nothing beyond the download.

IR Theory Explorer holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Math Trainer has 15 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Math Trainer | IR Theory Explorer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.3 (15 ratings)](https://appshunter.io/ios/app/math-trainer-quick-questions/id659065074/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ir-theory-explorer/id6763011305/reviews)** |
| Number of ratings | **15** | 1 |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 2 MB | 0 MB |
| Requires iOS | **17.0** | 26.4 |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rob Sammons](https://appshunter.io/developer/659065077) | [Jennifer Cannon](https://appshunter.io/developer/1895119860) |

## What reviewers say

### Math Trainer

[App page](https://appshunter.io/ios/app/math-trainer-quick-questions/id659065074)

Sharpen your mental math skills with rapid-fire arithmetic challenges. Practice addition, subtraction, division, and multiplication across four difficulty levels. Compete on global leaderboards and unlock achievements.

**Highlights:** Addition, Subtraction, Division, Multiplication, Four difficulty levels, Game Center leaderboards, Over 20 achievements, iCloud sync, Full iOS support (Dark Mode, Split Screen, VoiceOver), Privacy-focused (no external data storage or tracking)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Trainer Pro | $0.99 | one-time |


### IR Theory Explorer

[App page](https://appshunter.io/ios/app/ir-theory-explorer/id6763011305)

Explore and understand International Relations theories. This app helps you learn about key authors, compare different theories, and see how they apply to historical and current events.

**Highlights:** Learn International Relations theories, Understand key authors, Compare and contrast theories, Apply theories to events, Educational content

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Trainer free?

Math Trainer is free to download, with in-app purchases available.

### Is IR Theory Explorer free?

IR Theory Explorer costs $1.99, with no in-app purchases.

### Which has better reviews, Math Trainer or IR Theory Explorer?

IR Theory Explorer is rated higher. Math Trainer averages 4.3 out of 5 from 15 ratings, while IR Theory Explorer averages 5.0 from 1 ratings.

### Do Math Trainer or IR Theory Explorer have ads?

Neither Math Trainer nor IR Theory Explorer shows ads.

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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.*