# Off By One: Spot The One

> Minimal observation puzzle

Canonical page: [https://chrome-stats.com/d/id6762133251](https://chrome-stats.com/d/id6762133251)

## Overview

- **ID:** `id6762133251`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Removed
- **Publisher:** Ryo Takaoka
- **Category:** Puzzle
- **Version:** 1.4.0
- **Last updated:** 2026-04-29
- **First published:** 2026-04-23
- **Size:** 3.44 MB
- **Data as of:** 2026-08-24
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/off-by-one-spot-the-one/id6762133251)
- **Website:** [https://sss3yai.com/offbyone/](https://sss3yai.com/offbyone/)
- **Privacy policy:** [https://sss3yai.com/offbyone/privacy.html](https://sss3yai.com/offbyone/privacy.html)

## Description

New: Endless mode. 4×4 Hard, one mistake ends the run. Find the one shape that's slightly off in a quiet pattern of geometry. No time pressure — observe at your own pace.

Among a neat grid of geometric shapes, just one is slightly off.

There is no timer. No hurry. Just a quiet moment of seeing.
On the train, between tasks, before sleep —
a small ritual to bring your focus back.

■ 35 stages, 3 difficulty modes
Stages 1–20 use a 4×4 grid. Stages 21–35 use a 5×5 grid.
Each stage consists of 5 puzzles.
Choose Easy, Normal, or Hard to play at your own pace. The leaderboard ranks Hard only.

■ Endless mode
4×4 Hard. The puzzles get harder as you go. One mistake ends the run.
A separate Game Center leaderboard tracks your best streak.

■ 10 shapes
Triangle, square, diamond, pentagon, circle, ellipse, hexagon, octagon, star, hexagram.
Each with its own kind of nuance to spot.

■ 6 dimensions of difference
Size, position, angle, thickness, count, edge length.
One shape, just slightly off.

■ No timer, no pressure
Observe for as long as you like.
The difference reveals itself to the patient eye.

■ 100-point scoring
A clear deduction system based on misses and time.
Clear in 20 seconds without mistakes for a PERFECT badge.

■ Serverless. No account.
No network calls. No login required.
Everything stays on your iPhone.

■ Privacy
No personal data is collected.
All stats are stored locally on your device.

■ Pricing
Free to play, 10 plays per day.
Watch a short ad for extra plays.
Daily missions grant bonus plays when completed.

For the small pauses in your day.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6762133251)