# FastFlow vs FastMode

The clearest difference is update cadence: FastFlow at every 2 days against FastMode's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FastFlow sells 2 in-app purchases, starting at $2.99 per month and FastMode sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

FastFlow ships an update every 2 days, FastMode weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | FastFlow | FastMode |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 35 MB | 43 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Uprise iX LLC](https://appshunter.io/developer/1809234369) | [Aleksander Sucheta](https://appshunter.io/developer/1883647429) |

## What reviewers say

### FastFlow

[App page](https://appshunter.io/ios/app/fastflow-intermittent-fasting/id6758635076)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Weekly Subscription | $8.99 | per 7 days |


### FastMode

[App page](https://appshunter.io/ios/app/fastmode-intermittent-fasting/id6760288550)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast Mode PRO | $4.99 | per month |
| Fast Mode PRO | $34.99 | per year |


## Frequently asked questions

### Is FastFlow free?

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

### Is FastMode free?

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

### Do FastFlow or FastMode have ads?

Neither FastFlow nor FastMode shows ads.

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

FastFlow ships an update every 2 days, and FastMode weekly. Most recently, FastFlow was updated on October 25, 2026 and FastMode on October 25, 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.*