All Unit Conversion vs Conversions
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
All Unit Conversion
Easily convert between various units of measurement with this free utility app. It supports conversions for length, area, volume, mass, time, digital storage, energy, and currency.
- Length conversion
- Area conversion
- Volume conversion
- Mass conversion
- Time conversion
- Currency conversion
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This is a simple and useful free unit converter - Length Converter - Area Converter - Volume Converter - Mass Converter - Time Converter - Digital Storage Converter - Energy Converter - Currency Converter
Conversions
Easily convert over 100 units across various categories like temperature, length, and weight. View conversion formulas, copy results, and share them directly. Enjoy a private, ad-free experience with a native iOS design.
- Convert 100+ units
- Temperature, length, weight conversions
- View conversion formulas
- Copy and share conversions
- Native iOS design
- Ad-free experience
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Conversions helps you convert different units of measurement, including units of temperature, length, or weight. Use Conversions to convert common measures, such as Fahrenheit to Celsius, meters to feet, and pounds to kilograms, or more technical ones, such as Joule to Kilowatt Hour, Newton to Pound-Force, and Pascal to Bar. Features: · Convert over 100 units across categories like angle, area, data, energy, force, length, power, pressure, speed, temperature, time, volume, and weight · Keep track of up to 100 of your recent conversions · Save up to 25 favorites for quick access · View the exact formulas behind each conversion · Look up unit details, including symbols, measurement systems, and conversion formulas for related units · Copy your conversions to clipboard or share directly with others · Enjoy a native iOS design, using Apple’s latest frameworks and UI guidelines Conversions provides a private and secure, ad-free experience—no ads, no tracking, ever. Terms of Service: https://crater.tools/conversions/terms-of-service Privacy Policy: https://crater.tools/conversions/privacy-policy
Screenshots
Verdict
The clearest difference is review sentiment: Conversions at 100% against All Unit Conversion's 50%. Conversions also leads on rating (5.0 vs 4.6) and update cadence (every 2 weeks vs every 2 months). All Unit Conversion's advantage is ratings volume (17 vs 2) and iOS requirement (16.6 vs 18.6). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Conversions holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: All Unit Conversion has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of All Unit Conversion's written reviews are positive against 100% of Conversions's.
All Unit Conversion ships an update every 2 months, Conversions every 2 weeks. The most recent releases landed on September 13, 2026 and August 17, 2026 respectively.
| Parameter | All Unit Conversion | Conversions |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (17 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 17 — better | 2 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.6 — better | 18.6 |
| Further details — not scored | ||
| Size | 22 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Tiago Do Couto | Piotr Bakker |
Customer experience
All Unit Conversion
Conversions
In-app purchases
All Unit Conversion
No in-app purchases
Conversions
No in-app purchases
Questions
Is All Unit Conversion free?
Is Conversions free?
Which has better reviews, All Unit Conversion or Conversions?
Do All Unit Conversion or Conversions have ads?
Which is updated more often, All Unit Conversion or Conversions?
Other comparisons
