# Fastly vs Just Fasting

The clearest difference is rating: Fastly at 4.8 against Just Fasting's 4.0. Fastly also leads on ratings volume (96 vs 1) and iOS requirement (17.6 vs 26.4). Just Fasting's advantage is in-app purchases (none vs 4) and update cadence (every 2 days vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. Fastly sells 4 one-off in-app purchases. Just Fasting asks for nothing beyond the download.

Fastly holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Fastly has 96 ratings behind it against 1, so its average is the more settled of the two.

Fastly ships an update every 10 days, Just Fasting every 2 days. The most recent releases landed on October 25, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Fastly | Just Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (96 ratings)](https://appshunter.io/ios/app/fastly-clean-fasting-timer/id6756632894/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/just-fasting/id6761426623/reviews) |
| Number of ratings | **96** | 1 |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 2 MB |
| Requires iOS | **17.6** | 26.4 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Collweb LLC](https://appshunter.io/developer/1822634213) | [Matthew Clark](https://appshunter.io/developer/1797183728) |

## 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 |


### Just Fasting

[App page](https://appshunter.io/ios/app/just-fasting/id6761426623)

This app helps you track your fasting periods with a simple, uncluttered interface. Easily start custom fasts of varying lengths and monitor your progress with detailed statistics. It's designed to be unobtrusive and straightforward for your intermittent fasting journey.

**Highlights:** Customizable fast durations (hours and days), One-tap start for common fasts, Visual countdown and progress arc, Detailed fasting statistics, Streak tracking, Remember last fast length

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

**In-app purchases:** none


## Frequently asked questions

### Is Fastly free?

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

### Is Just Fasting free?

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

### Which has better reviews, Fastly or Just Fasting?

Fastly is rated higher. Fastly averages 4.8 out of 5 from 96 ratings, while Just Fasting averages 4.0 from 1 ratings.

### Do Fastly or Just Fasting have ads?

Neither Fastly nor Just Fasting shows ads.

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

Fastly ships an update every 10 days, and Just Fasting every 2 days. Most recently, Fastly was updated on October 25, 2026 and Just Fasting on October 23, 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.*