# Fastly vs Leptin

The clearest difference is ads: Leptin at none against Fastly's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Fastly sells 9 in-app purchases, starting at $7.99 per 7 days and Leptin sells 10 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Fastly ships an update every 10 days, Leptin every 5 days. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Fastly | Leptin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (16 ratings)](https://appshunter.io/ios/app/fastly-intermittent-fasting/id6475754316/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 70 MB | 56 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [昶安 周](https://appshunter.io/developer/1703764221) | [GRAYLIN AI (PTY) LTD](https://appshunter.io/developer/1872989548) |

## What reviewers say

### Fastly

[App page](https://appshunter.io/ios/app/fastly-intermittent-fasting/id6475754316)

This app helps you track intermittent fasting for weight loss and improved metabolism. It offers various fasting plans, timers, and reminders to guide your journey. Monitor your progress, water intake, and weight changes to achieve your health goals.

**Highlights:** Intermittent fasting timer, Multiple fasting styles, Customizable schedules and reminders, Calorie and water intake tracking, Weight tracking and progress monitoring, Enhanced statistical analysis

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $7.99 | per 7 days |
| Unlimited | $7.99 | per 7 days |
| Unlimited | $9.99 | per month |
| Unlimited | $16.99 | per month |
| Unlimited | $22.99 | per 3 months |
| Unlimited | $29.99 | per year |
| Unlimited | $36.99 | per 3 months |
| Unlimited | $59.99 | per year |
| Unlimited | $59.99 | per year |


### Leptin

[App page](https://appshunter.io/ios/app/leptin/id6765621429)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $9.99 | per month |
| Premium Monthly | $19.99 | per month |
| Unlimited Monthly | $49.99 | per month |
| Basic Yearly | $99.99 | per year |
| Premium Yearly | $199.99 | per year |
| Unlimited Yearly | $499.99 | per year |
| $10 AI Credits | $12.99 | one-time |
| $25 AI Credits | $32.99 | one-time |
| $50 AI Credits | $64.99 | one-time |
| $100 AI Credits | $129.99 | one-time |


## Frequently asked questions

### Is Fastly free?

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

### Is Leptin free?

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

### Do Fastly or Leptin have ads?

Fastly shows ads; Leptin does not.

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

Fastly ships an update every 10 days, and Leptin every 5 days. Most recently, Fastly was updated on October 4, 2026 and Leptin on October 11, 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.*