Comparison

UC0nvert vs UnitStack

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

Head to head
About

UC0nvert

Features
Read full description

This is a flexible and convenient utility app that allows you to quickly convert units, currencies, and calculate your BMI. Choose among many unit types and lotsa currencies. Features: • Units Units Units! Tonnes of units. • Pick and save favorite units for each type to keep your selection lists to a manageable length. • 170 currencies to pick from. Rates are updated daily. • BMI calculator helps you track how healthy your weight is. • Scientific notation features allow you to manage ginormous numbers. • Units are color-coded to indicate what type they are (Metric, Imperial, Mixed, Other, and Obscure). Choose among the following unit types: • Length • Temperature • Time • Area • Volume • Dry Measure • Mass • Force • Density • Pressure • Energy • Power • Speed • Flow Rate • Angle • Fuel Efficiency • EV Efficiency • Torque

About

UnitStack

This utility app allows for simultaneous unit and currency conversions, saving your progress and custom units. Its minimalist design ensures a clear and efficient user experience for all your measurement needs.

Highlights
  • Stack multiple conversions
  • Persistent values
  • Custom units of measure
  • Minimalist interface
  • Custom color themes
  • Currency conversion
Features
Read full description

UnitStack lets you stack multiple unit conversions at once—so you never have to switch units or reselect conversions again. Your conversions are always saved. Open the app and start typing. Add custom units too—like that old reliable sauce spoon. Built for speed and clarity • Stack multiple conversions at once • Persistent values — pick up where you left off • Minimal, distraction-free interface • Custom color themes, including your own • Support for custom units of measure Whether you’re comparing measurements, converting currencies, or working across systems, UnitStack keeps everything visible and friction-free. Currency exchange rates are provided by Frankfurter (ECB reference rates).

Screenshots

UC0nvert4 screens
UnitStack4 screens

Verdict

The call

The clearest difference is update cadence: UnitStack at every 2 days against UC0nvert's fortnightly. UC0nvert's advantage is iOS requirement (15.6 vs 18.6). 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

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

UC0nvert ships an update fortnightly, UnitStack every 2 days. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 7 level
UC0nvert versus UnitStack: the parameters behind the verdict, then further details
ParameterUC0nvertUnitStack
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.6
Further details — not scored
Size37 MB4 MB
Age rating4+4+
DeveloperClaude BantaMichael Yang

In-app purchases

None

UC0nvert

No in-app purchases

None

UnitStack

No in-app purchases

Questions

Is UC0nvert free?
UC0nvert is free to download, with no in-app purchases.
Is UnitStack free?
UnitStack is free to download, with no in-app purchases.
Do UC0nvert or UnitStack have ads?
Neither UC0nvert nor UnitStack shows ads.
Which is updated more often, UC0nvert or UnitStack?
UC0nvert ships an update fortnightly, and UnitStack every 2 days. Most recently, UC0nvert was updated on September 27, 2026 and UnitStack on September 17, 2026.

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