# 20 Second Drawing vs TestGlider

The clearest difference is update cadence: TestGlider at every 10 days against 20 Second Drawing's every 2 months. TestGlider also leads on iOS requirement (15.1 vs 17.6). On price, ads, 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.

20 Second Drawing ships an update every 2 months, TestGlider every 10 days. The most recent releases landed on September 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 20 Second Drawing | TestGlider |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 1 MB | 63 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SANGGU JANG](https://appshunter.io/developer/1688346162) | [Databank Inc.](https://appshunter.io/developer/1617954383) |

## What reviewers say

### 20 Second Drawing

[App page](https://appshunter.io/ios/app/20-second-drawing/id6754304231)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### TestGlider

[App page](https://appshunter.io/ios/app/testglider/id6778232745)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 20 Second Drawing free?

20 Second Drawing is free to download, with no in-app purchases.

### Is TestGlider free?

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

### Do 20 Second Drawing or TestGlider have ads?

Neither 20 Second Drawing nor TestGlider shows ads.

### Which is updated more often, 20 Second Drawing or TestGlider?

20 Second Drawing ships an update every 2 months, and TestGlider every 10 days. Most recently, 20 Second Drawing was updated on September 26, 2026 and TestGlider on October 13, 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.*