Comparison

ArrowsJudge vs UnitStack

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

Head to head
About

ArrowsJudge

Features
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This app makes it easy to record the scores of archers at tournaments. The scores are recorded by the judge touching a visual representation of the target on his/her iPhone/iPad. When the archery match is finished, the judge can send the score data via email to the supervisor. It includes an image of the target with the arrows locations noted on the target along with a CSV (Comma Separated Values) report for importing into a spread sheet. Location Services can be optionally enabled by the user.

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

ArrowsJudge2 screens
UnitStack4 screens

Verdict

The call

The clearest difference is update cadence: UnitStack at every 2 days against ArrowsJudge's every 2 months. ArrowsJudge's advantage is iOS requirement (14.0 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

ArrowsJudge ships an update every 2 months, UnitStack every 2 days. The most recent releases landed on October 8, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 7 level
ArrowsJudge versus UnitStack: the parameters behind the verdict, then further details
ParameterArrowsJudgeUnitStack
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better18.6
Further details — not scored
Size16 MB4 MB
Age rating4+4+
DeveloperScott JohnsonMichael Yang

In-app purchases

None

ArrowsJudge

No in-app purchases

None

UnitStack

No in-app purchases

Questions

Is ArrowsJudge free?
ArrowsJudge is free to download, with no in-app purchases.
Is UnitStack free?
UnitStack is free to download, with no in-app purchases.
Do ArrowsJudge or UnitStack have ads?
Neither ArrowsJudge nor UnitStack shows ads.
Which is updated more often, ArrowsJudge or UnitStack?
ArrowsJudge ships an update every 2 months, and UnitStack every 2 days. Most recently, ArrowsJudge was updated on October 8, 2026 and UnitStack on October 21, 2026.

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