# Fastly vs Vow Fasting

Fastly and Vow Fasting are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Fastly sells 4 one-off in-app purchases and Vow Fasting sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Fastly ships an update every 10 days, Vow Fasting fortnightly. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Fastly | Vow Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (96 ratings)](https://appshunter.io/ios/app/fastly-intermittent-fasting/id6756632894/reviews)** | — |
| Number of ratings | **96** | — |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free | — |
| Size | 9 MB | 13 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Collweb LLC](https://appshunter.io/developer/1822634213) | [FILIP LUCCA KEJSER DAMICI](https://appshunter.io/developer/6776396594) |

## What reviewers say

### Fastly

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

This app provides a private and ad-free intermittent fasting timer with customizable schedules and progress tracking. It offers insights into fasting phases and integrates with Apple Health for goal monitoring.

**Highlights:** Real-time fasting timer, Customizable fasting plans, Estimated fasting phases, Fasting history and statistics, Weight and body fat goals, Apple Health integration, Smart reminders

**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 |


### Vow Fasting

[App page](https://appshunter.io/ios/app/vow-fasting/id6776396592)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vow Pro Monthly | $4.99 | per month |
| Vow Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Fastly free?

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

### Is Vow Fasting free?

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

### Do Fastly or Vow Fasting have ads?

Neither Fastly nor Vow Fasting shows ads.

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

Fastly ships an update every 10 days, and Vow Fasting fortnightly. Most recently, Fastly was updated on November 9, 2026 and Vow Fasting on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*