Comparison

Unit Converter vs Convertall

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

Head to head
About

Unit Converter

Features
Read full description

Convert Anything, Instantly. Unit Converter is your all-in-one tool for fast, accurate, and easy unit conversions no internet needed. Whether you're a student, engineer, traveler, or just need quick conversions for everyday tasks, this app has you covered. From length and weight to temperature and speed, convert over 100+ units across 15+ categories all in a clean, intuitive interface. Key Features: • Convert units across categories: Length, Weight, Area, Volume, Temperature, Speed, Pressure, Energy, and more • Simple, fast, and easy to use • Favorites tab for quick access to your most used conversions • Offline mode – no internet required • Metric and Imperial unit support • Smart input: instantly shows results as you type • Accurate and reliable conversion engine • Dark mode and clean UI design • Supports both iPhone and iPad

About

Convertall

Features
Read full description

The unit converter that gets out of your way. Type a value and every result updates instantly — no "convert" button, no clutter, no waiting. WHY YOU'LL KEEP IT • Live as-you-type conversion — results change with every keystroke • See every unit at once — one value, the whole category converted • Pin and reorder your favorites — the units you actually use, on top (most apps force alphabetical order; this one doesn't) • Conversions work 100% offline — no account, no sign-up, nothing to load • One discreet banner — remove it forever with a single purchase. No full-screen ads, no video, no subscription. 13 CATEGORIES, 94 UNITS Length • Weight • Volume • Temperature • Area • Speed • Time • Data storage • Pressure • Energy • Power • Angle • Data rate Everyday conversions other apps skip: internet speed (Mbps ⇄ MB/s), cooking measures (tablespoons, cups, oven thermostat) and land area (hectares, ares, acres). From meters and miles to Celsius and Fahrenheit, kilograms and pounds, liters and gallons, megabytes and gigabytes, and more. MADE WITH CARE • Clean design where the number is king • Full dark mode • VoiceOver and Dynamic Type support • Available in 10 languages Tap any result to copy it. A converter that just works.

Screenshots

Unit Converter3 screens
Convertall4 screens

Verdict

The call

The clearest difference is price: Convertall at Free against Unit Converter's $5.99. Convertall also leads on update cadence (every 5 weeks vs every 9 months). Unit Converter's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Convertall is free to download; Unit Converter costs $5.99 up front. Convertall sells 1 one-off in-app purchase. Unit Converter asks for nothing beyond the download.

UpkeepUpdate frequency

Unit Converter ships an update every 9 months, Convertall every 5 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard4 real differences Ā· 2 level
Unit Converter versus Convertall: the parameters behind the verdict, then further details
ParameterUnit ConverterConvertall
Price$5.99Free — better
Update frequencyEvery 9 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad — betteriPhone
Requires iOS18.518.0 — better
Further details — not scored
Size12 MB5 MB
Age rating4+4+
DeveloperFenuku KekeliLaurent ABITBOL

In-app purchases

None

Unit Converter

No in-app purchases

1 purchases

Convertall

One-time1
  • Remove Ads$2.99

Questions

Is Unit Converter free?
Unit Converter costs $5.99, with no in-app purchases.
Is Convertall free?
Convertall is free to download, with in-app purchases available.
Do Unit Converter or Convertall have ads?
Convertall shows ads; Unit Converter does not.
Which is updated more often, Unit Converter or Convertall?
Unit Converter ships an update every 9 months, and Convertall every 5 weeks. Most recently, Unit Converter was updated on November 8, 2026 and Convertall on October 31, 2026.

Other comparisons