# One Line: Kitty & Doggy — Smart IQ Game

> Smart IQ Game (iPhone/iPad app by 仰智 黄.)

- Source: https://appshunter.io/ios/app/one-line-kitty-and-doggy/id1540918673 (this page in markdown: same URL + `.md`)
- Developer: [仰智 黄](https://appshunter.io/developer/844908997)
- Category: Games, Entertainment, Casual, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 10.0 · 47 MB
- Languages: English, Chinese
- Released: 2020-12-17
- Data updated: 2026-06-04
- User reviews in markdown: https://appshunter.io/ios/app/one-line-kitty-and-doggy/id1540918673/reviews.md

## What is One Line?

One Line: Kitty & Doggy is a simple puzzle game with cute graphic. With one touch to solve the hundreds of puzzles.


## Version history (last 4 releases)

### 1.5 — 2021-10-29

Bug fixes, stability improvements, repairs to space-time continuum.

### 1.4 — 2020-12-30

bug fix

### 1.3 — 2020-12-17

fix bugs.

### 1.0 — 2020-11-25

No release notes.

## Apps similar to One Line

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Rainbow Block 3D](https://appshunter.io/ios/app/rainbow-block-3d/id1613659818) | 5.0 (1) | Free | Games |
| [BiDot](https://appshunter.io/ios/app/bidot/id900411937) | 4.4 (9) | Free | Games |
| [Screw Puzzle: Pin Nuts Bolts](https://appshunter.io/ios/app/screw-puzzle-pin-nuts-bolts/id6471851549) | — | Free | Games |
| [Unblock Ball: Slide Puzzle](https://appshunter.io/ios/app/unblock-ball-slide-puzzle/id6446349009) | — | Free | Games |
| [One Line Fun - One Line Puzzle](https://appshunter.io/ios/app/one-line-fun-one-line-puzzle/id6443567267) | — | Free | Games |
| [2048 Hexagon - Merge Puzzle 3D](https://appshunter.io/ios/app/2048-hexagon-merge-puzzle-3d/id1672266598) | 5.0 (1) | Free | Games |

## More apps by 仰智 黄

- [听听歌电台](https://appshunter.io/ios/app/id1038827367)

All apps by 仰智 黄: https://appshunter.io/developer/844908997

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*