# Zeliox ECO vs TRWE

The clearest difference is iOS requirement: Zeliox ECO at 12.0 against TRWE's 15.0. 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.

Zeliox ECO ships an update every 2 months, TRWE every 6 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Zeliox ECO | TRWE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/trwe/id1664328450/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 81 MB | 85 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zeliox](https://appshunter.io/developer/1478320738) | [TEMPO COMMUNICATIONS, INC.](https://appshunter.io/developer/1495096578) |

## What reviewers say

### Zeliox ECO

[App page](https://appshunter.io/ios/app/zeliox-eco/id1629358692)

**Features:** macOS Compatibility

**In-app purchases:** none


### TRWE

[App page](https://appshunter.io/ios/app/trwe/id1664328450)

Generate reports from Tempo instrument data on your iOS device. Wirelessly transfer files, merge traces, and share reports as PDFs or project files.

**Highlights:** Generate reports from Tempo instrument data, Wireless file transfer from TV220E/EX, Merge multiple traces into one report, Save reports as TRW projects, Export reports as PDF, Share reports with others

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

**In-app purchases:** none


## Frequently asked questions

### Is Zeliox ECO free?

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

### Is TRWE free?

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

### Do Zeliox ECO or TRWE have ads?

Neither Zeliox ECO nor TRWE shows ads.

### Which is updated more often, Zeliox ECO or TRWE?

Zeliox ECO ships an update every 2 months, and TRWE every 6 weeks. Most recently, Zeliox ECO was updated on October 2, 2026 and TRWE on September 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.*