Duometry in IOS

Angle Guessing Game

Walkthrough, Guilds, Tips on this special game

Our Site Score

89/100

Duometry takes a simple mathematical concept and turns it into an incredibly addictive, elegant casual game. Testing how accurately your eye can judge a 47-degree angle vs a 52-degree angle sounds straightforward, but it creates instant competitive tension.

The pass-and-play multiplayer mode is a standout feature for party settings. Keeping everyone's guesses hidden until the final reveal leads to great moments of playful rivalry. The UI is clean, modern, and completely distraction-free.

Whether you are playing the daily spatial memory challenge or passing the phone around among friends, Duometry is a clever, refreshing puzzle title.

Reviewed on: Sun Oct 25 2026
Dinsun Avatar

Dinsun Review

As a gamer who respects a title that doesn't hold your hand and actually demands genuine cognitive effort, Duometry caught my attention immediately. The concept of controlling two geometric objects moving in tandem across separate paths sounds simple on paper, but in practice, it forces your brain into a state of intense split-attention synchronization. When you finally nail a fiendishly complex synchronization puzzle after twenty failed attempts, the sense of accomplishment is genuinely earned. Combined with a sleek minimalist aesthetic and clean electronic sound design, it represents the kind of pure, unadulterated puzzle challenge that mobile platforms do best.

At the same time, I have to warn players that this game is aggressively unforgiving. Its reliance on trial-and-error memorization means you will fail repeatedly, and for players lacking ironclad patience, the difficulty spikes can easily cross from challenging into outright frustrating. There is no narrative fluff or hand-holding here—just pure mental endurance tests. If you enjoy brain-burning logic puzzles like *Threes* or *Blackbox*, Duometry is well worth your time; casual puzzle fans should keep their distance.

Overall Stats

Pros & Cons

  • Brilliant dual-control mechanics that test split-attention and spatial logic
  • Sleek minimalist geometric aesthetic and pulsing electronic audio
  • High difficulty ceiling that rewards perseverance and puzzle mastery
  • Unforgiving trial-and-error design causes frequent frustration
  • Narrow gameplay scope offers limited variety beyond geometric navigation
  • Steep difficulty curve alienates casual players

Technical Report

Performance: Impeccable touch responsiveness and butter-smooth frame rates essential for precise timing.

Accessibility:
  • Difficulty Presets

Audience Fit

Buy if: You love hardcore logic puzzles, minimalist design, and games that test your split-attention coordination.

Skip if: You get frustrated easily by trial-and-error gameplay, difficult timing challenges, or lack patience.

Similar Games:
  • Duet
  • Blackbox
  • Super Hexagon

Reviewer Context

  • Reviewer: Dinsun, 40-year-old veteran gamer with a conservative, critical eye for substance over style
  • Hardware: iPhone
  • Playtime: 5 hours
  • Status: Mid-game puzzle tiers completed

The Game

Available on: iPhone

Version 1.0.3Mon Oct 26 2026

- minor fixes



Requires iOS 17.0 or later. Compatible with iPhone, iPad, and iPod touch.

How well can you judge an angle?

Duometry challenges you to match a target angle as closely as you can. Fold a compatible device or adjust the on-screen dial, lock in your guess, and discover how close you came.

Play solo over 5 or 10 rounds and aim for your best score.

Pass one device between 2–8 players for a friendly competition. Everyone’s guesses stay hidden until the shared reveal. Find out who came closest, compare scores, and keep playing.

Explore angles at your own pace with the dial. On hinge devices, Free Measure lets you read the device’s fold angle directly.

Come back for a daily challenge with three targets. Different daily modes put your angle intuition and visual memory to the test.

Play offline, with no account required.


Ratings & Reviews

N/A out of 5 with 0 Counts
Age Rating 4+

Screenshots

Duometry screenshot 1Duometry screenshot 2Duometry screenshot 3Duometry screenshot 4Duometry screenshot 5

Duometry is an innovative casual angle-guessing game created by Arno Appenzeller. Challenge your visual intuition by matching target degree angles using on-screen dials or physical device hinges. Play solo, conquer daily challenge modes, or pass one device around for competitive local multiplayer.

Features

1

Precision angle estimation mechanics with dial controls

2

2-8 player local pass-and-play party mode

3

Daily target challenges to train spatial memory

4

Offline play with no account required

Recommended Links

App Store Page

Official listing.

Store

News on this game

iPhone Duo Sparks Creativity: A Classic Mac, Toaster, and Nintendo Console in Your Hands  آي-فون إسلام

آي-فون إسلام - Sun Oct 25 2026

iPhone Duo sparks creativity: A classic Mac, toaster, and Nintendo console in your hands  آي-فون إسلام

آي-فون إسلام - Sun Oct 25 2026

Duometry for iPhone Duo Is a $2.99 Angle Guessing Game  iThinkDifferent

iThinkDifferent - Sat Oct 24 2026

Your $2,000 iPhone Duo is now a toaster  The New Things

The New Things - Fri Oct 23 2026

Gameplays

Q&A

Up to 8 players can play together on a single device in pass-and-play mode.

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