# etonX vs STM Premier

etonX and STM Premier are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | etonX | STM Premier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 44 MB | 143 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ETON CORPORATION, VN](https://appshunter.io/developer/1638850785) | [SMARTLOG SUPPLY CHAIN SOLUTIONS CORPORATION](https://appshunter.io/developer/1111191986) |

## What reviewers say

### etonX

[App page](https://appshunter.io/ios/app/etonx/id6449273825)

**In-app purchases:** none


### STM Premier

[App page](https://appshunter.io/ios/app/stm-premier/id6744386539)

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

**In-app purchases:** none


## Frequently asked questions

### Is etonX free?

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

### Is STM Premier free?

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

### Do etonX or STM Premier have ads?

Neither etonX nor STM Premier shows ads.

### Which is updated more often, etonX or STM Premier?

etonX ships an update monthly, and STM Premier monthly. Most recently, etonX was updated on October 18, 2026 and STM Premier on October 6, 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.*