# Stolpersteine Guide vs MathApex

The clearest difference is in-app purchases: Stolpersteine Guide at none against MathApex's 1. MathApex's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MathApex sells 1 one-off in-app purchase. Stolpersteine Guide asks for nothing beyond the download.

Stolpersteine Guide ships an update every 4 months, MathApex every 3 weeks. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Stolpersteine Guide | MathApex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 61 MB | 93 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stolpersteine Guide GbR](https://appshunter.io/developer/1837716991) | [Umit Sevim](https://appshunter.io/developer/939217054) |

## What reviewers say

### Stolpersteine Guide

[App page](https://appshunter.io/ios/app/stolpersteine-guide/id717896281)

**Features:** macOS Compatibility

**In-app purchases:** none


### MathApex

[App page](https://appshunter.io/ios/app/mathapex-math-learning/id6753774905)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathApex Pro | $4.99 | one-time |


## Frequently asked questions

### Is Stolpersteine Guide free?

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

### Is MathApex free?

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

### Do Stolpersteine Guide or MathApex have ads?

Neither Stolpersteine Guide nor MathApex shows ads.

### Which is updated more often, Stolpersteine Guide or MathApex?

Stolpersteine Guide ships an update every 4 months, and MathApex every 3 weeks. Most recently, Stolpersteine Guide was updated on June 1, 2026 and MathApex on September 22, 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.*