# 1D vs Isorotate

The clearest difference is ads: 1D at none against Isorotate's shown. 1D also leads on update cadence (every 3 months vs every 41 months) and iOS requirement (8.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

1D ships an update every 3 months, Isorotate every 41 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 1D | Isorotate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/1d/id426027412/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 58.8% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 41 months |
| Monetization | Free | — |
| Size | 2 MB | 159 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eric Smith](https://appshunter.io/developer/415133551) | [Avakai Games Private Limited](https://appshunter.io/developer/662870499) |

## What reviewers say

### 1D

[App page](https://appshunter.io/ios/app/1d/id426027412)

Navigate a one-dimensional world by canceling incoming pulses. Switch your avatar's color to match the pulse and clear them as they approach. Offers simple controls and multiple game modes for quick or extended play sessions.

**Highlights:** One-dimensional gameplay, Pulse canceling mechanics, Color-matching avatar, Multiple game modes, Movie-based tutorials, High score tracking, Quick startup

**Features:** macOS Compatibility

**In-app purchases:** none


### Isorotate

[App page](https://appshunter.io/ios/app/isorotate/id1092430949)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 1D free?

1D is free to download, with no in-app purchases.

### Is Isorotate free?

Isorotate is free to download, with no in-app purchases.

### Do 1D or Isorotate have ads?

Isorotate shows ads; 1D does not.

### Which is updated more often, 1D or Isorotate?

1D ships an update every 3 months, and Isorotate every 41 months. Most recently, 1D was updated on November 1, 2026 and Isorotate on November 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*