# DiaTimer vs Rehaklinik Usedom

The clearest difference is in-app purchases: Rehaklinik Usedom at none against DiaTimer's 2. DiaTimer's advantage is update cadence (every 6 days vs every 6 weeks) and iOS requirement (12.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. DiaTimer sells 2 in-app purchases, starting at $0.49 per month. Rehaklinik Usedom asks for nothing beyond the download.

DiaTimer ships an update every 6 days, Rehaklinik Usedom every 6 weeks. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | DiaTimer | Rehaklinik Usedom |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 78 MB | 58 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alexander Gerk](https://appshunter.io/developer/1649584483) | [Rehaklinik Usedom Ostseebad Heringsdorf GmbH](https://appshunter.io/developer/1713710936) |

## What reviewers say

### DiaTimer

[App page](https://appshunter.io/ios/app/diatimer/id6467234554)

This app assists individuals with diabetes in managing insulin administration and meal planning. It calculates carbohydrate values for inputted foods and determines the necessary "Spray-eat distance" based on blood sugar levels, initiating a timer for meal consumption. Users can add custom foods and unlock more personalized entries with a premium subscription.

**Highlights:** Carbohydrate calculation for meals, Blood sugar to meal timer calculation, Custom food entry registration, Personalized food entries (premium), Insulin administration assistance, Meal planning support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DiaTimer Premium (monthly) | $0.49 | per month |
| DiaTimer Premium (yearly) | $4.99 | per year |


### Rehaklinik Usedom

[App page](https://appshunter.io/ios/app/rehaklinik-usedom/id6470453265)

**In-app purchases:** none


## Frequently asked questions

### Is DiaTimer free?

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

### Is Rehaklinik Usedom free?

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

### Do DiaTimer or Rehaklinik Usedom have ads?

Neither DiaTimer nor Rehaklinik Usedom shows ads.

### Which is updated more often, DiaTimer or Rehaklinik Usedom?

DiaTimer ships an update every 6 days, and Rehaklinik Usedom every 6 weeks. Most recently, DiaTimer was updated on November 5, 2026 and Rehaklinik Usedom on November 7, 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.*