# One Line Drawing vs Number Lab

The clearest difference is ads: One Line Drawing at none against Number Lab's shown. One Line Drawing also leads on iOS requirement (8.0 vs 12.0). Number Lab's advantage is update cadence (daily vs every 5 days). 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.

One Line Drawing ships an update every 5 days, Number Lab daily. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | One Line Drawing | Number Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Daily** |
| Size | 59 MB | 89 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zoltan Puski](https://appshunter.io/developer/1454296852) | [FEELCRAFTERS OYUN YAZILIM LIMITED SIRKETI](https://appshunter.io/developer/1691256089) |

## What reviewers say

### One Line Drawing

[App page](https://appshunter.io/ios/app/one-line-drawing-duel/id1509246512)

**Features:** macOS Compatibility

**In-app purchases:** none


### Number Lab

[App page](https://appshunter.io/ios/app/number-lab/id6476373137)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One Line Drawing free?

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

### Is Number Lab free?

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

### Do One Line Drawing or Number Lab have ads?

Number Lab shows ads; One Line Drawing does not.

### Which is updated more often, One Line Drawing or Number Lab?

One Line Drawing ships an update every 5 days, and Number Lab daily. Most recently, One Line Drawing was updated on November 7, 2026 and Number Lab on November 8, 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.*