UC0nvert vs UnitStack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UC0nvert
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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
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.
- Stack multiple conversions
- Persistent values
- Custom units of measure
- Minimalist interface
- Custom color themes
- Currency conversion
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
UC0nvert ships an update fortnightly, UnitStack every 2 days. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.
| Parameter | UC0nvert | UnitStack |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.6 |
| Further details — not scored | ||
| Size | 37 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Claude Banta | Michael Yang |
In-app purchases
UC0nvert
No in-app purchases
UnitStack
No in-app purchases
Questions
Is UC0nvert free?
Is UnitStack free?
Do UC0nvert or UnitStack have ads?
Which is updated more often, UC0nvert or UnitStack?
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