Comparison

Univert vs UnitStack

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

Head to head
About

Univert

Features
Read full description

Tired of googling every time you need to convert units? With Univert - Universal Unit Converter, you get a simple, fast and convenient solution right in your hand! Features: - Convert between many different units (15+): length, weight, currencies, temperature and many more. - Convert currencies (30+): live data. - User-friendly design: clear interface that makes it easy to select a unit and enter values. - Instant results: enter a value and see the result updated dynamically. Whether you are traveling, studying, working or cooking - Univert makes your life easier. Download now and discover how convenient it can be to convert units in one place.

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

Univert4 screens
UnitStack4 screens

Verdict

The call

The clearest difference is in-app purchases: UnitStack at none against Univert's 1. UnitStack also leads on update cadence (every 2 days vs every 9 days). Univert's advantage is iOS requirement (16.0 vs 18.6). On price, ads 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. Univert sells 1 one-off in-app purchase. UnitStack asks for nothing beyond the download.

UpkeepUpdate frequency

Univert ships an update every 9 days, UnitStack every 2 days. Both last shipped on October 28, 2026.

Scorecard3 real differences · 6 level
Univert versus UnitStack: the parameters behind the verdict, then further details
ParameterUnivertUnitStack
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 9 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.6
Further details — not scored
Size2 MB4 MB
Age rating4+4+
DeveloperADRIAN NESHADMichael Yang

In-app purchases

1 purchases

Univert

One-time1
  • Advanced Units$0.99
None

UnitStack

No in-app purchases

Questions

Is Univert free?
Univert is free to download, with in-app purchases available.
Is UnitStack free?
UnitStack is free to download, with no in-app purchases.
Do Univert or UnitStack have ads?
Neither Univert nor UnitStack shows ads.
Which is updated more often, Univert or UnitStack?
Univert ships an update every 9 days, and UnitStack every 2 days. Most recently, Univert was updated on October 28, 2026 and UnitStack on October 28, 2026.

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