# ETHERMA eControl vs LogMemorizer

The clearest difference is update cadence: LogMemorizer at every 3 weeks against ETHERMA eControl's every 6 months. LogMemorizer also leads on iOS requirement (13.0 vs 15.1). 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.

ETHERMA eControl ships an update every 6 months, LogMemorizer every 3 weeks. The most recent releases landed on September 16, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | ETHERMA eControl | LogMemorizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 33 MB | 40 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taelek oy](https://appshunter.io/developer/1328221148) | [Schaller Messtechnik GmbH](https://appshunter.io/developer/1798242776) |

## What reviewers say

### ETHERMA eControl

[App page](https://appshunter.io/ios/app/etherma-econtrol/id1368661448)

**Features:** macOS Compatibility

**In-app purchases:** none


### LogMemorizer

[App page](https://appshunter.io/ios/app/logmemorizer/id6755107868)

**In-app purchases:** none


## Frequently asked questions

### Is ETHERMA eControl free?

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

### Is LogMemorizer free?

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

### Do ETHERMA eControl or LogMemorizer have ads?

Neither ETHERMA eControl nor LogMemorizer shows ads.

### Which is updated more often, ETHERMA eControl or LogMemorizer?

ETHERMA eControl ships an update every 6 months, and LogMemorizer every 3 weeks. Most recently, ETHERMA eControl was updated on September 16, 2026 and LogMemorizer on August 28, 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.*