# Fasting Tracker vs Fastly

The clearest difference is in-app purchases: Fasting Tracker at none against Fastly's 4. Fasting Tracker also leads on update cadence (every 4 days vs every 10 days) and iOS requirement (15.3 vs 17.6). On price, ads and device support there is nothing between them.

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

Fasting Tracker ships an update every 4 days, Fastly every 10 days. Both last shipped on October 6, 2026.

## The numbers

| Metric | Fasting Tracker | Fastly |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 9 MB |
| Requires iOS | **15.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [Days Until LTD](https://appshunter.io/developer/1224814198) | [Collweb LLC](https://appshunter.io/developer/1822634213) |

## What reviewers say

### Fasting Tracker

[App page](https://appshunter.io/ios/app/fasting-tracker-fastingai/id6578452948)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Fasting Tracker free?

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

### Is Fastly free?

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

### Do Fasting Tracker or Fastly have ads?

Neither Fasting Tracker nor Fastly shows ads.

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

Fasting Tracker ships an update every 4 days, and Fastly every 10 days. Most recently, Fasting Tracker was updated on October 6, 2026 and Fastly on October 6, 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.*