# MotionFlow vs Plank Form Timer

The clearest difference is ads: MotionFlow at none against Plank Form Timer's shown. MotionFlow also leads on update cadence (every 2 days vs every 2 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. MotionFlow sells 1 one-off in-app purchase and Plank Form Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MotionFlow ships an update every 2 days, Plank Form Timer every 2 weeks. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | MotionFlow | Plank Form Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 72 MB | 13 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shu Zhao](https://appshunter.io/developer/1896775939) | [Hosung Hwang](https://appshunter.io/developer/6789744714) |

## What reviewers say

### MotionFlow

[App page](https://appshunter.io/ios/app/motionflow/id6787371825)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MotionFlow VIP | $0.99 | one-time |


### Plank Form Timer

[App page](https://appshunter.io/ios/app/plank-form-timer-ai-check/id6793725781)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is MotionFlow free?

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

### Is Plank Form Timer free?

Plank Form Timer is free to download, with in-app purchases available.

### Do MotionFlow or Plank Form Timer have ads?

Plank Form Timer shows ads; MotionFlow does not.

### Which is updated more often, MotionFlow or Plank Form Timer?

MotionFlow ships an update every 2 days, and Plank Form Timer every 2 weeks. Most recently, MotionFlow was updated on September 23, 2026 and Plank Form Timer on September 19, 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.*