# Reihenpass vs 4 Plus 4

The clearest difference is in-app purchases: Reihenpass at none against 4 Plus 4's 1. Reihenpass also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 4 Plus 4 sells 1 one-off in-app purchase. Reihenpass asks for nothing beyond the download.

Reihenpass ships an update every 2 months, 4 Plus 4 monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Reihenpass | 4 Plus 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/4-plus-4/id1602292243/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 62 MB | 38 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Software Brauerei AG](https://appshunter.io/developer/896159311) | [Patrick Koehnen](https://appshunter.io/developer/431219217) |

## What reviewers say

### Reihenpass

[App page](https://appshunter.io/ios/app/reihenpass/id1208914648)

**Features:** macOS Compatibility

**In-app purchases:** none


### 4 Plus 4

[App page](https://appshunter.io/ios/app/4-plus-4/id1602292243)

This app offers a clear, step-by-step approach to learning mathematics. It features structured modules for number basics, arithmetic, and fractions, with playful sections to apply learned concepts. Designed to make math understandable and enjoyable, it's ideal for beginners and for refreshing knowledge.

**Highlights:** Clear learning modules, Step-by-step guidance, Structured practice, Playful application sections, Progress tracking, Ad-free experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Inclusive | $1.99 | one-time |


## Frequently asked questions

### Is Reihenpass free?

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

### Is 4 Plus 4 free?

4 Plus 4 is free to download, with in-app purchases available.

### Do Reihenpass or 4 Plus 4 have ads?

Neither Reihenpass nor 4 Plus 4 shows ads.

### Which is updated more often, Reihenpass or 4 Plus 4?

Reihenpass ships an update every 2 months, and 4 Plus 4 monthly. Most recently, Reihenpass was updated on November 6, 2026 and 4 Plus 4 on November 3, 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.*