# Fastly vs Dopamine Lock

The clearest difference is update cadence: Dopamine Lock at every 2 days against Fastly's every 10 days. On price, ads, 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 Dopamine Lock sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Fastly ships an update every 10 days, Dopamine Lock every 2 days. The most recent releases landed on November 9, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Fastly | Dopamine Lock |
| --- | --- | --- |
| 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 | **Every 2 days** |
| Monetization | Free | — |
| Size | 9 MB | 106 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 12+ | 9+ |
| Developer | [Collweb LLC](https://appshunter.io/developer/1822634213) | [Tristan Manchester](https://appshunter.io/developer/1841242335) |

## 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 |


### Dopamine Lock

[App page](https://appshunter.io/ios/app/dopamine-lock-screen-time/id6772157665)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dopamine Lock Pro Weekly | $1.99 | per 7 days |
| Dopamine Lock Pro Monthly | $12.99 | per month |
| Dopamine Lock Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Fastly free?

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

### Is Dopamine Lock free?

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

### Do Fastly or Dopamine Lock have ads?

Neither Fastly nor Dopamine Lock shows ads.

### Which is updated more often, Fastly or Dopamine Lock?

Fastly ships an update every 10 days, and Dopamine Lock every 2 days. Most recently, Fastly was updated on November 9, 2026 and Dopamine Lock on November 7, 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.*