Comparison

Unitify vs Conversions

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Unitify

Read full description

Unit conversion app, simple, quick, and easy to use. App Features: • App includes so many unit measurements. • Save your favorite unit conversion for fast and easy access. • Show/Hide unit groups based on your preference. • Easy in-app search. • Quick search by typing the unit you want to convert from, in the Spotlight search.

About

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.

Highlights
  • Convert 100+ units
  • Temperature, length, weight conversions
  • View conversion formulas
  • Copy and share conversions
  • Native iOS design
  • Ad-free experience
Features
Read full description

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

Unitify4 screens
Conversions4 screens

Verdict

The call

The clearest difference is device support: Unitify at 3 against Conversions's 1. Unitify also leads on iOS requirement (15.0 vs 18.6). On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 11, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 8 level
Unitify versus Conversions: the parameters behind the verdict, then further details
ParameterUnitifyConversions
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.6
Further details — not scored
Size5 MB3 MB
Age rating4+4+
DeveloperMarwa Abou NiaajPiotr Bakker

In-app purchases

None

Unitify

No in-app purchases

None

Conversions

No in-app purchases

Questions

Is Unitify free?
Unitify is free to download, with no in-app purchases.
Is Conversions free?
Conversions is free to download, with no in-app purchases.
Do Unitify or Conversions have ads?
Neither Unitify nor Conversions shows ads.
Which is updated more often, Unitify or Conversions?
Unitify ships an update every 2 weeks, and Conversions every 2 weeks. Most recently, Unitify was updated on September 11, 2026 and Conversions on September 17, 2026.

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