# Overlap vs One Left

The clearest difference is in-app purchases: One Left at none against Overlap's 8. One Left also leads on update cadence (monthly vs every 2 months). Overlap's advantage is iOS requirement (6.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Overlap sells 8 one-off in-app purchases. One Left asks for nothing beyond the download.

Overlap ships an update every 2 months, One Left monthly. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Overlap | One Left |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (6 ratings)](https://appshunter.io/ios/app/overlap-spatial-reasoning/id1007144404/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 14 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [DONOPO](https://appshunter.io/developer/550436101) | [Alexandre Brotto Rangel da Silva](https://appshunter.io/developer/1868933438) |

## What reviewers say

### Overlap

[App page](https://appshunter.io/ios/app/overlap-spatial-reasoning/id1007144404)

A small puzzle game designed to test and enhance your spatial reasoning skills. Players must identify the correct sequence of shapes and tap them from bottom to top to progress through levels. It features 54 challenges and an endless mode for competitive play.

**Highlights:** Spatial reasoning challenges, Shape ordering puzzles, 54 levels, Endless mode, Beat friends

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate $1 | $0.99 | one-time |
| Donate $1.99 | $1.99 | one-time |
| Donate $2.99 | $2.99 | one-time |
| Donate $4.99 | $4.99 | one-time |
| Donate $9.99 | $9.99 | one-time |
| Donate $19.99 | $19.99 | one-time |
| Donate $49.99 | $49.99 | one-time |
| Donate $99.99 | $99.99 | one-time |


### One Left

[App page](https://appshunter.io/ios/app/one-left-peg-solitaire/id6757789359)

**In-app purchases:** none


## Frequently asked questions

### Is Overlap free?

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

### Is One Left free?

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

### Do Overlap or One Left have ads?

Neither Overlap nor One Left shows ads.

### Which is updated more often, Overlap or One Left?

Overlap ships an update every 2 months, and One Left monthly. Most recently, Overlap was updated on October 10, 2026 and One Left on October 5, 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.*