# Calq Abiturnoten vs LOCK

The clearest difference is in-app purchases: Calq Abiturnoten at none against LOCK's 4. LOCK's advantage is review sentiment (87% vs 75%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. LOCK sells 4 in-app purchases, starting at $5.99 per month. Calq Abiturnoten asks for nothing beyond the download.

Calq Abiturnoten ships an update every 5 weeks, LOCK every 2 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Calq Abiturnoten | LOCK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/lock-in-detox/id6749706345/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 75.0% of reviews | **87.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 6 MB | 59 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sophie Nathalie Zieschang](https://appshunter.io/developer/1605925895) | [Valerio Qunaj](https://appshunter.io/developer/1831813833) |

## What reviewers say

### 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


### LOCK

[App page](https://appshunter.io/ios/app/lock-in-detox/id6749706345)

This app offers a focused social media experience by removing short-form videos and algorithmic feeds. It prioritizes direct messages, profiles, and connections, allowing users to control their digital environment.

**Highlights:** No short videos, No algorithmic feeds, Focus on messages and profiles, User-controlled experience, Ad-free social media

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monatliches Abo | $5.99 | per month |
| Monatsabo | $5.99 | per month |
| Jahresabo | $24.99 | per year |
| Jährlich | $29.99 | per year |


## Frequently asked questions

### Is Calq Abiturnoten free?

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

### Is LOCK free?

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

### Do Calq Abiturnoten or LOCK have ads?

Neither Calq Abiturnoten nor LOCK shows ads.

### Which is updated more often, Calq Abiturnoten or LOCK?

Calq Abiturnoten ships an update every 5 weeks, and LOCK every 2 months. Most recently, Calq Abiturnoten was updated on October 30, 2026 and LOCK on October 30, 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.*