# eTechTracker vs All Units Convertor

The clearest difference is in-app purchases: eTechTracker at none against All Units Convertor's 2. eTechTracker also leads on ads (none vs shown). All Units Convertor's advantage is update cadence (fortnightly vs every 5 months) and iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. All Units Convertor sells 2 one-off in-app purchases. eTechTracker asks for nothing beyond the download.

eTechTracker ships an update every 5 months, All Units Convertor fortnightly. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | eTechTracker | All Units Convertor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/all-units-convertor/id1611287048/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 11 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Techlead Software Engineering Pvt. Ltd.](https://appshunter.io/developer/1116576017) | [恒卓 刘](https://appshunter.io/developer/509484187) |

## What reviewers say

### eTechTracker

[App page](https://appshunter.io/ios/app/etechtracker/id1116576018)

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

**In-app purchases:** none


### All Units Convertor

[App page](https://appshunter.io/ios/app/all-units-convertor/id1611287048)

Easily convert between various units of measurement, including currency, length, mass, and temperature. Features real-time currency exchange rates and a clean, intuitive interface for quick conversions.

**Highlights:** Supports 10 common unit types, Real-time currency exchange rates, Clear, at-a-glance conversions, iOS system UI compatibility, Converts currency, energy, length, temperature, mass, angle, time, area, bytes, force, volume, torque

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一杯可乐 | $0.99 | one-time |
| 一杯咖啡 | $1.99 | one-time |


## Frequently asked questions

### Is eTechTracker free?

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

### Is All Units Convertor free?

All Units Convertor is free to download, with in-app purchases available.

### Do eTechTracker or All Units Convertor have ads?

All Units Convertor shows ads; eTechTracker does not.

### Which is updated more often, eTechTracker or All Units Convertor?

eTechTracker ships an update every 5 months, and All Units Convertor fortnightly. Most recently, eTechTracker was updated on October 7, 2026 and All Units Convertor 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.*