# TTRechner vs janova App

The clearest difference is in-app purchases: janova App at none against TTRechner's 1. janova App also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.1). On price, update cadence and ads there is nothing between them.

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

TTRechner ships an update every 3 weeks, janova App every 2 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | TTRechner | janova App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 30 MB | 138 MB |
| Requires iOS | 26.1 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mike Ubachs](https://appshunter.io/developer/1689298220) | [janova GmbH](https://appshunter.io/developer/1616647617) |

## 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 |


### janova App

[App page](https://appshunter.io/ios/app/janova-app/id6450601835)

Enhance your table tennis skills with professional guidance and a comprehensive tracking system. Access over 40 exercises explained by experts and track your progress from practice to matches.

**Highlights:** Over 40 expert-led table tennis exercises, Short video tutorials by professional players, Workout tracker for games and practice, Progress analysis and success sharing, Exercises sorted by regularity and training priority

**In-app purchases:** none


## Frequently asked questions

### Is TTRechner free?

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

### Is janova App free?

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

### Do TTRechner or janova App have ads?

Both TTRechner and janova App show ads.

### Which is updated more often, TTRechner or janova App?

TTRechner ships an update every 3 weeks, and janova App every 2 weeks. Most recently, TTRechner was updated on October 9, 2026 and janova App on October 12, 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.*