# Intermittent Fasting Flow vs FastFlow

The clearest difference is iOS requirement: FastFlow at 15.1 against Intermittent Fasting Flow's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Intermittent Fasting Flow sells 2 in-app purchases, starting at $1.99 per month and FastFlow sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Intermittent Fasting Flow ships an update every 4 days, FastFlow every 2 days. The most recent releases landed on September 22, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | Intermittent Fasting Flow | FastFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/intermittent-fasting-flow/id6758163617/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 6 MB | 35 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IVAYLO PLAMENOV VACHKOV](https://appshunter.io/developer/1869829896) | [Uprise iX LLC](https://appshunter.io/developer/1809234369) |

## What reviewers say

### Intermittent Fasting Flow

[App page](https://appshunter.io/ios/app/intermittent-fasting-flow/id6758163617)

Track your fasting periods with a clean, ad-free timer. Choose from various fasting plans and monitor your progress with live widgets. Sync data with Apple Health and use Siri shortcuts for hands-free control.

**Highlights:** Ad-free fasting timer, Lock screen and home screen widgets, Multiple fasting plan durations, Customizable start times, Streak tracking and milestone badges, Apple Health integration, Siri shortcuts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $19.99 | per year |


### 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 |


## Frequently asked questions

### Is Intermittent Fasting Flow free?

Intermittent Fasting Flow is free to download, with in-app purchases available.

### Is FastFlow free?

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

### Do Intermittent Fasting Flow or FastFlow have ads?

Neither Intermittent Fasting Flow nor FastFlow shows ads.

### Which is updated more often, Intermittent Fasting Flow or FastFlow?

Intermittent Fasting Flow ships an update every 4 days, and FastFlow every 2 days. Most recently, Intermittent Fasting Flow was updated on September 22, 2026 and FastFlow on June 26, 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.*