# All Units Convertor vs AI Tkwun

The clearest difference is in-app purchases: AI Tkwun at none against All Units Convertor's 2. AI Tkwun also leads on ads (none vs shown). All Units Convertor's advantage is update cadence (fortnightly vs every 4 months). On price, device support and iOS requirement there is nothing between them.

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

All Units Convertor ships an update fortnightly, AI Tkwun every 4 months. The most recent releases landed on October 15, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | All Units Convertor | AI Tkwun |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 69 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [恒卓 刘](https://appshunter.io/developer/509484187) | [SHENZHEN KWUNPHI ROBOT CO., LTD.](https://appshunter.io/developer/1616848455) |

## What reviewers say

### 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 |


### AI Tkwun

[App page](https://appshunter.io/ios/app/ai-tkwun/id6748251693)

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

**In-app purchases:** none


## Frequently asked questions

### Is All Units Convertor free?

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

### Is AI Tkwun free?

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

### Do All Units Convertor or AI Tkwun have ads?

All Units Convertor shows ads; AI Tkwun does not.

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

All Units Convertor ships an update fortnightly, and AI Tkwun every 4 months. Most recently, All Units Convertor was updated on October 15, 2026 and AI Tkwun on September 15, 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.*