# ELMA THERMO X vs Ara Authentic

The clearest difference is iOS requirement: ELMA THERMO X at 13.0 against Ara Authentic's 15.6. 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.

ELMA THERMO X ships an update fortnightly, Ara Authentic every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | ELMA THERMO X | Ara Authentic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 36 MB | 85 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Elma Instruments A/S](https://appshunter.io/developer/1271661766) | [Maik Arink](https://appshunter.io/developer/1699272203) |

## What reviewers say

### ELMA THERMO X

[App page](https://appshunter.io/ios/app/elma-thermo-x/id6738972655)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ara Authentic

[App page](https://appshunter.io/ios/app/ara-authentic-ir/id6740208604)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ELMA THERMO X free?

ELMA THERMO X is free to download, with no in-app purchases.

### Is Ara Authentic free?

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

### Do ELMA THERMO X or Ara Authentic have ads?

Neither ELMA THERMO X nor Ara Authentic shows ads.

### Which is updated more often, ELMA THERMO X or Ara Authentic?

ELMA THERMO X ships an update fortnightly, and Ara Authentic every 3 weeks. Most recently, ELMA THERMO X was updated on October 30, 2026 and Ara Authentic 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.*