# One TMS vs Calq Abiturnoten

The clearest difference is iOS requirement: One TMS at 13.0 against Calq Abiturnoten's 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.

One TMS ships an update every 2 months, Calq Abiturnoten every 5 weeks. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | One TMS | Calq Abiturnoten |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 179 MB | 6 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TMS Trademarketing Service GmbH](https://appshunter.io/developer/1105841629) | [Sophie Nathalie Zieschang](https://appshunter.io/developer/1605925895) |

## What reviewers say

### One TMS

[App page](https://appshunter.io/ios/app/one-tms/id1470225261)

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

**In-app purchases:** none


### Calq Abiturnoten

[App page](https://appshunter.io/ios/app/calq-abiturnoten/id1605925893)

Calculate your Abitur (high school leaving exam) grade point average and subject averages. Export your grades as JSON or PDF, and simulate the impact of new grades on your overall average. Keep track of your academic performance with customizable grading scales.

**Highlights:** Calculate Abitur average, Calculate subject averages, Export grades as JSON, Export grades as PDF, Simulate new grade impact, Customizable grading scales, Track grades

**In-app purchases:** none


## Frequently asked questions

### Is One TMS free?

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

### Is Calq Abiturnoten free?

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

### Do One TMS or Calq Abiturnoten have ads?

Neither One TMS nor Calq Abiturnoten shows ads.

### Which is updated more often, One TMS or Calq Abiturnoten?

One TMS ships an update every 2 months, and Calq Abiturnoten every 5 weeks. Most recently, One TMS was updated on October 6, 2026 and Calq Abiturnoten on October 8, 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.*