# FastFlow vs WeighPath

The clearest difference is in-app purchases: WeighPath at none against FastFlow's 2. WeighPath also leads on ads (none vs shown) and device support (3 vs 1). FastFlow's advantage is update cadence (every 5 days vs monthly). On price there is nothing between them.

Both are free to download. FastFlow sells 2 in-app purchases, starting at $0.99 per month. WeighPath asks for nothing beyond the download.

FastFlow ships an update every 5 days, WeighPath monthly. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | FastFlow | WeighPath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Monthly |
| Size | 11 MB | 39 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [浩铭 顾](https://appshunter.io/developer/1873844063) | [Luc Pham Van](https://appshunter.io/developer/1544588097) |

## What reviewers say

### FastFlow

[App page](https://appshunter.io/ios/app/fastflow-fasting-timer/id6760942083)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastFlow Pro Monthly | $0.99 | per month |
| FastFlow Pro Yearly | $9.99 | per year |


### WeighPath

[App page](https://appshunter.io/ios/app/weighpath-weight-tracker/id6782267434)

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

**In-app purchases:** none


## Frequently asked questions

### Is FastFlow free?

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

### Is WeighPath free?

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

### Do FastFlow or WeighPath have ads?

FastFlow shows ads; WeighPath does not.

### Which is updated more often, FastFlow or WeighPath?

FastFlow ships an update every 5 days, and WeighPath monthly. Most recently, FastFlow was updated on September 16, 2026 and WeighPath on September 20, 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.*