# Fastly vs Simple Fasting

The clearest difference is ads: Fastly at none against Simple Fasting's shown. Fastly also leads on update cadence (every 10 days vs every 4 months). Simple Fasting's advantage is iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Fastly sells 4 one-off in-app purchases and Simple Fasting sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fastly ships an update every 10 days, Simple Fasting every 4 months. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Fastly | Simple Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (92 ratings)](https://appshunter.io/ios/app/fastly-clean-fasting-timer/id6756632894/reviews)** | — |
| Number of ratings | **92** | — |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 28 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Collweb LLC](https://appshunter.io/developer/1822634213) | [UIXLY AS](https://appshunter.io/developer/6789231409) |

## What reviewers say

### Fastly

[App page](https://appshunter.io/ios/app/fastly-clean-fasting-timer/id6756632894)

This app provides a clean and distraction-free timer for intermittent fasting. It tracks your fasting periods in real-time, offers various popular fasting plans, and automatically monitors fasting phases like fat burning and ketosis. View your history with clear statistics and receive smart reminders.

**Highlights:** Clean fasting timer with real-time tracking, Multiple intermittent fasting plans, Automatic fasting phase tracking, Fasting history with statistics, Smart reminders for goals, Minimalist interface, Dark mode support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |
| Lunch | $4.99 | one-time |
| Become a Supporter | $4.99 | one-time |
| Dinner | $9.99 | one-time |


### Simple Fasting

[App page](https://appshunter.io/ios/app/simple-fasting/id6756801491)

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is Fastly free?

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

### Is Simple Fasting free?

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

### Do Fastly or Simple Fasting have ads?

Simple Fasting shows ads; Fastly does not.

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

Fastly ships an update every 10 days, and Simple Fasting every 4 months. Most recently, Fastly was updated on September 27, 2026 and Simple Fasting 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.*