# Maths Formulas & Brain Teaser vs IMS Islamic Messaging System

The clearest difference is in-app purchases: Maths Formulas & Brain Teaser at none against IMS Islamic Messaging System's 3. Maths Formulas & Brain Teaser also leads on iOS requirement (11.0 vs 15.0). IMS Islamic Messaging System's advantage is ads (none vs shown) and update cadence (weekly vs every 15 months). On price and device support there is nothing between them.

Both are free to download. IMS Islamic Messaging System sells 3 one-off in-app purchases. Maths Formulas & Brain Teaser asks for nothing beyond the download.

Maths Formulas & Brain Teaser ships an update every 15 months, IMS Islamic Messaging System weekly. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Maths Formulas & Brain Teaser | IMS Islamic Messaging System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/maths-formulas-and-brain-teaser/id1458344907/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 16 MB | 161 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Primosoft Inc](https://appshunter.io/developer/638687289) | [Ilaaj AI](https://appshunter.io/developer/1796207392) |

## What reviewers say

### Maths Formulas & Brain Teaser

[App page](https://appshunter.io/ios/app/maths-formulas-and-brain-teaser/id1458344907)

Enhance your mathematical abilities with a fun app designed to improve problem-solving speed and logical thinking. It offers a wide range of math categories and difficulty levels suitable for both children and adults.

**Highlights:** Improve math problem-solving speed, Develop abstract and logical thinking, Multiple difficulty levels, Wide range of math categories, Suitable for children and adults, Sharpen intellect and memory

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

**In-app purchases:** none


### IMS Islamic Messaging System

[App page](https://appshunter.io/ios/app/ims-islamic-messaging-system/id6756784075)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Top Up $5 | $5.99 | one-time |
| Wallet Top Up 25 | $29.99 | one-time |
| Wallet Top Up 50 | $59.99 | one-time |


## Frequently asked questions

### Is Maths Formulas & Brain Teaser free?

Maths Formulas & Brain Teaser is free to download, with no in-app purchases.

### Is IMS Islamic Messaging System free?

IMS Islamic Messaging System is free to download, with in-app purchases available.

### Do Maths Formulas & Brain Teaser or IMS Islamic Messaging System have ads?

Maths Formulas & Brain Teaser shows ads; IMS Islamic Messaging System does not.

### Which is updated more often, Maths Formulas & Brain Teaser or IMS Islamic Messaging System?

Maths Formulas & Brain Teaser ships an update every 15 months, and IMS Islamic Messaging System weekly. Most recently, Maths Formulas & Brain Teaser was updated on October 7, 2026 and IMS Islamic Messaging System on October 16, 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.*