# rotronic vs DEGraphBlue

The clearest difference is update cadence: rotronic at monthly against DEGraphBlue's every 39 months. rotronic also leads on iOS requirement (8.1 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

rotronic ships an update monthly, DEGraphBlue every 39 months. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | rotronic | DEGraphBlue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 39 months |
| Size | 5 MB | 4 MB |
| Requires iOS | **8.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rotronic AG](https://appshunter.io/developer/1057939250) | [Dostmann electronic GmbH](https://appshunter.io/developer/1354949389) |

## What reviewers say

### rotronic

[App page](https://appshunter.io/ios/app/rotronic/id1057939251)

**Features:** macOS Compatibility

**In-app purchases:** none


### DEGraphBlue

[App page](https://appshunter.io/ios/app/degraphblue/id1354949394)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is rotronic free?

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

### Is DEGraphBlue free?

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

### Do rotronic or DEGraphBlue have ads?

Neither rotronic nor DEGraphBlue shows ads.

### Which is updated more often, rotronic or DEGraphBlue?

rotronic ships an update monthly, and DEGraphBlue every 39 months. Most recently, rotronic was updated on October 8, 2026 and DEGraphBlue on October 4, 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.*