# TTRechner vs Post SV Alfeld

The clearest difference is in-app purchases: Post SV Alfeld at none against TTRechner's 1. Post SV Alfeld also leads on ads (none vs shown) and iOS requirement (13.7 vs 26.1). TTRechner's advantage is update cadence (every 3 weeks vs every 16 months). On price and device support there is nothing between them.

Both are free to download. TTRechner sells 1 one-off in-app purchase. Post SV Alfeld asks for nothing beyond the download.

TTRechner ships an update every 3 weeks, Post SV Alfeld every 16 months. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TTRechner | Post SV Alfeld |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 16 months |
| Size | 30 MB | 15 MB |
| Requires iOS | 26.1 | **13.7** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mike Ubachs](https://appshunter.io/developer/1689298220) | [Postsportverein Alfeld (Leine) e.V.](https://appshunter.io/developer/1715313801) |

## What reviewers say

### TTRechner

[App page](https://appshunter.io/ios/app/ttrechner/id6449498825)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Werbefreiheit | $2.99 | one-time |


### Post SV Alfeld

[App page](https://appshunter.io/ios/app/post-sv-alfeld/id6471419868)

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

**In-app purchases:** none


## Frequently asked questions

### Is TTRechner free?

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

### Is Post SV Alfeld free?

Post SV Alfeld is free to download, with no in-app purchases.

### Do TTRechner or Post SV Alfeld have ads?

TTRechner shows ads; Post SV Alfeld does not.

### Which is updated more often, TTRechner or Post SV Alfeld?

TTRechner ships an update every 3 weeks, and Post SV Alfeld every 16 months. Most recently, TTRechner was updated on October 9, 2026 and Post SV Alfeld on October 25, 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.*