All Units Convertor vs Smart Unit Conversion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
All Units Convertor
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.
- 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
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The Best and use to use units converter for iOS, Very easy to use, the conversion is clear at a glance. support units of Currency, Energy, Length, Temperature, Mass, Angle, Time, Area, Bytes, Force, Volume, Torque. Main Features: 1. Supporting up to 10 common units of conversion. 2. Real time synchronization of monetary exchange rate with IMF data. 3. Deeply compatible with iOS system UI.
Smart Unit Conversion
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This is a smart unit convertor that: 1. Support 21 languages and the Local Units 2. You can Customize the Sequence of Units 3. European number format supported Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: All Units Convertor at fortnightly against Smart Unit Conversion's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. All Units Convertor sells 2 one-off in-app purchases and Smart Unit Conversion sells 1 in-app purchase, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.
All Units Convertor ships an update fortnightly, Smart Unit Conversion every 15 months. The most recent releases landed on September 11, 2026 and May 16, 2026 respectively.
| Parameter | All Units Convertor | Smart Unit Conversion |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Every 15 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 11 MB | 41 MB |
| Age rating | 4+ | 17+ |
| Developer | 恒卓 刘 | Yui Lau |
In-app purchases
All Units Convertor
- 一杯可乐$0.99
- 一杯咖啡$1.99
Smart Unit Conversion
- 1 Year$1.991 Year
Questions
Is All Units Convertor free?
Is Smart Unit Conversion free?
Do All Units Convertor or Smart Unit Conversion have ads?
Which is updated more often, All Units Convertor or Smart Unit Conversion?
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