# Gastrointestinal vs ExploreMath

The clearest difference is device support: ExploreMath at 3 against Gastrointestinal's 1. Gastrointestinal's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gastrointestinal ships an update every 3 days, ExploreMath every 6 days. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Gastrointestinal | ExploreMath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Size | 2.8 GB | 4 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Hong Kong Metropolitan University](https://appshunter.io/developer/432474107) | [Kai Hin Tsoi](https://appshunter.io/developer/1618879551) |

## What reviewers say

### Gastrointestinal

[App page](https://appshunter.io/ios/app/gastrointestinal/id1472154175)

**Features:** macOS Compatibility

**In-app purchases:** none


### ExploreMath

[App page](https://appshunter.io/ios/app/exploremath/id1620810052)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gastrointestinal free?

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

### Is ExploreMath free?

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

### Do Gastrointestinal or ExploreMath have ads?

Neither Gastrointestinal nor ExploreMath shows ads.

### Which is updated more often, Gastrointestinal or ExploreMath?

Gastrointestinal ships an update every 3 days, and ExploreMath every 6 days. Most recently, Gastrointestinal was updated on September 28, 2026 and ExploreMath on October 5, 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.*