# Impossible Dial vs RacingAI

The clearest difference is in-app purchases: RacingAI at none against Impossible Dial's 1. Impossible Dial's advantage is iOS requirement (8.1 vs 12.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Impossible Dial sells 1 one-off in-app purchase. RacingAI asks for nothing beyond the download.

Impossible Dial ships an update fortnightly, RacingAI every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Impossible Dial | RacingAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (60 ratings)](https://appshunter.io/ios/app/impossible-dial-brain-reflex-and-cognitive-training/id950261452/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 50.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 25 MB |
| Requires iOS | **8.1** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [App Holdings](https://appshunter.io/developer/808581339) | [Hoa Tran](https://appshunter.io/developer/963498718) |

## What reviewers say

### Impossible Dial

[App page](https://appshunter.io/ios/app/impossible-dial-brain-reflex-and-cognitive-training/id950261452)

This game challenges your reflexes and cognitive skills by requiring you to tap when an arrow matches the color of its adjacent dial segment. It's designed to enhance focus, improve short-term memory, and boost attention span. Compete for high scores in this engaging brain training experience.

**Highlights:** Improves focus, Enhances short-term memory, Develops mental reflexes, Helps with attention span, Addictive gameplay

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 🚀 Addictive and challenging
- 👍 Simple but fun gameplay
- 🎨 Visually appealing

**What reviewers complain about**

- 🙄 Excessive ads that disrupt gameplay
- 🐛 Crashes and glitches
- ⏱️ Ads appear during gameplay, causing loss of progress

**Reported bugs**

- Game crashes when opening
- Dial stops responding during gameplay
- Ads appear even with no internet connection

**Requested features**

- Option to disable ads for a fee
- Ability to pause game during ads
- Improved ad placement (e.g. between games instead of during)


### RacingAI

[App page](https://appshunter.io/ios/app/racingai/id6743054987)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Impossible Dial free?

Impossible Dial is free to download, with in-app purchases available.

### Is RacingAI free?

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

### Do Impossible Dial or RacingAI have ads?

Neither Impossible Dial nor RacingAI shows ads.

### Which is updated more often, Impossible Dial or RacingAI?

Impossible Dial ships an update fortnightly, and RacingAI every 2 weeks. Most recently, Impossible Dial was updated on October 24, 2026 and RacingAI on October 28, 2026.

---

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