# Number Sequence vs One Left

The clearest difference is in-app purchases: One Left at none against Number Sequence's 1. Number Sequence's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Number Sequence sells 1 one-off in-app purchase. One Left asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Number Sequence | One Left |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 95 MB | 14 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Hafiz Muhammad Talha](https://appshunter.io/developer/1835434901) | [Alexandre Brotto Rangel da Silva](https://appshunter.io/developer/1868933438) |

## What reviewers say

### Number Sequence

[App page](https://appshunter.io/ios/app/number-sequence-match-lines/id6751895637)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SudoPlay Premium - Ads free | $2.99 | one-time |


### One Left

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Sequence free?

Number Sequence 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 Number Sequence or One Left have ads?

Neither Number Sequence nor One Left shows ads.

### Which is updated more often, Number Sequence or One Left?

Number Sequence ships an update monthly, and One Left monthly. Most recently, Number Sequence was updated on September 30, 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.*