# Integrals trainer vs Multiply Fun

The clearest difference is review sentiment: Integrals trainer at 100% against Multiply Fun's 0%. Integrals trainer also leads on in-app purchases (none vs 1) and ads (none vs shown). Multiply Fun's advantage is rating (5.0 vs 4.6). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Multiply Fun sells 1 one-off in-app purchase. Integrals trainer asks for nothing beyond the download.

Multiply Fun holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 14 and 5 respectively. Written reviews complicate that: 100% of Integrals trainer's written reviews are positive against 0% of Multiply Fun's, so the app with the better star average is not the one people write more warmly about.

Integrals trainer ships an update monthly, Multiply Fun every 4 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | Integrals trainer | Multiply Fun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (14 ratings)](https://appshunter.io/ios/app/integrals-trainer/id1100411214/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/multiply-fun-19x19-lite/id6738623083/reviews)** |
| Number of ratings | **14** | 5 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 9 MB |
| Requires iOS | **7.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Ruel](https://appshunter.io/developer/1091592842) | [Mr.Darcy](https://appshunter.io/developer/377347580) |

## What reviewers say

### Integrals trainer

[App page](https://appshunter.io/ios/app/integrals-trainer/id1100411214)

Master the art of choosing the right technique for solving integrals. Practice identifying methods and get step-by-step guidance to improve your skills and save time on complex problems.

**Highlights:** Integral method selection practice, Step-by-step solution guidance, Covers various integral techniques, Focuses on the initial problem-solving step, Improves speed and accuracy

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

**In-app purchases:** none


### Multiply Fun

[App page](https://appshunter.io/ios/app/multiply-fun-19x19-lite/id6738623083)

This app makes learning multiplication tables up to 19x19 engaging through visual geometry. It uses arrays and area models to help users understand number combinations rather than just memorizing. Interactive practice and challenges build skills and confidence for learners of all ages.

**Highlights:** Geometry-powered multiplication learning, Visualize products as areas, Interactive practice with instant feedback, Activity-based challenges, Supports multiplication up to 19x19

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Integrals trainer free?

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

### Is Multiply Fun free?

Multiply Fun is free to download, with in-app purchases available.

### Which has better reviews, Integrals trainer or Multiply Fun?

Multiply Fun is rated higher. Integrals trainer averages 4.6 out of 5 from 14 ratings, while Multiply Fun averages 5.0 from 5 ratings.

### Do Integrals trainer or Multiply Fun have ads?

Multiply Fun shows ads; Integrals trainer does not.

### Which is updated more often, Integrals trainer or Multiply Fun?

Integrals trainer ships an update monthly, and Multiply Fun every 4 weeks. Most recently, Integrals trainer was updated on October 10, 2026 and Multiply Fun on October 10, 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.*