# Intermittent Fasting vs Fastly

The clearest difference is update cadence: Intermittent Fasting at fortnightly against Fastly's every 6 weeks. Intermittent Fasting also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Intermittent Fasting sells 2 in-app purchases, starting at $3.99 per 7 days and Fastly sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Intermittent Fasting ships an update fortnightly, Fastly every 6 weeks. The most recent releases landed on October 9, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Intermittent Fasting | Fastly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 30 MB | 53 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Manuel Worlitzer](https://appshunter.io/developer/1785527240) | [Joe Jeyaseelan](https://appshunter.io/developer/1691268023) |

## What reviewers say

### Intermittent Fasting

[App page](https://appshunter.io/ios/app/intermittent-fasting-plan/id6749179087)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intermittent Fasting Premium | $3.99 | per 7 days |
| Intermittent Fasting Premium | $19.99 | per year |


### Fastly

[App page](https://appshunter.io/ios/app/fastly-simple-fasting-tracker/id6759859806)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $1.99 | per month |
| English | $5.99 | one-time |


## Frequently asked questions

### Is Intermittent Fasting free?

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

### Is Fastly free?

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

### Do Intermittent Fasting or Fastly have ads?

Neither Intermittent Fasting nor Fastly shows ads.

### Which is updated more often, Intermittent Fasting or Fastly?

Intermittent Fasting ships an update fortnightly, and Fastly every 6 weeks. Most recently, Intermittent Fasting was updated on October 9, 2026 and Fastly on September 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.*