# Fastly vs Vasten

The clearest difference is in-app purchases: Vasten at none against Fastly's 1. Vasten also leads on update cadence (every 2 days vs every 3 months). Fastly's advantage is device support (3 vs 1) and iOS requirement (17.0 vs 26.5). On price and ads there is nothing between them.

Both are free to download. Fastly sells 1 in-app purchase, starting at $2.99 per year. Vasten asks for nothing beyond the download.

Fastly ships an update every 3 months, Vasten every 2 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Fastly | Vasten |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fastly-fast-timer-and-tracker/id6762475115/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 6 MB | 2 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tejas Patel](https://appshunter.io/developer/1197936144) | [Dennis Van Dalen](https://appshunter.io/developer/1862992231) |

## What reviewers say

### Fastly

[App page](https://appshunter.io/ios/app/fastly-fast-timer-and-tracker/id6762475115)

This app helps you track intermittent fasting with a clean interface, customizable plans, and motivational features. Monitor your body's response through different fasting zones and visualize progress with charts and widgets. Your data remains private, stored locally or optionally via iCloud.

**Highlights:** Customizable fasting plans (16:8, OMAD, etc.), Real-time circular timer and zone tracking, Motivational streaks, badges, and calendar heatmap, Weight tracking with trend visualization, Home screen widgets and Live Activities, Optional iCloud sync and CSV export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fastly Pro | $2.99 | per year |


### Vasten

[App page](https://appshunter.io/ios/app/vasten-fasting-timer/id6791755315)

**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 Vasten free?

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

### Do Fastly or Vasten have ads?

Neither Fastly nor Vasten shows ads.

### Which is updated more often, Fastly or Vasten?

Fastly ships an update every 3 months, and Vasten every 2 days. Most recently, Fastly was updated on October 24, 2026 and Vasten 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.*