# CoreFast vs Faaast

The clearest difference is in-app purchases: CoreFast at none against Faaast's 3. CoreFast also leads on update cadence (daily vs every 8 days) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Faaast sells 3 in-app purchases, starting at $4.99 per month. CoreFast asks for nothing beyond the download.

CoreFast ships an update daily, Faaast every 8 days. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | CoreFast | Faaast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/corefast-intermittent-fasting/id6814694953/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 8 days |
| Monetization | Free | — |
| Size | 55 MB | 57 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [SATISH CHANDRA KOLLI](https://appshunter.io/developer/6814694955) | [Arecon LP](https://appshunter.io/developer/6818526486) |

## What reviewers say

### CoreFast

[App page](https://appshunter.io/ios/app/corefast-intermittent-fasting/id6814694953)

This app helps you track intermittent fasting with customizable plans and a live timer. It offers optional features like water tracking, food logging, and integration with health data. All your information is stored locally for privacy.

**Highlights:** Customizable intermittent fasting plans, Live, offline-capable timer, Optional water and food logging, Apple Health data integration (read-only), Local data storage and privacy, Widgets and Apple Watch app support

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

**In-app purchases:** none


### Faaast

[App page](https://appshunter.io/ios/app/faaast-fasting-tracker/id6818526484)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Faaast Pro Monthly | $4.99 | per month |
| Faaast Pro Yearly | $34.99 | per year |
| Faaast Pro Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is CoreFast free?

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

### Is Faaast free?

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

### Do CoreFast or Faaast have ads?

Neither CoreFast nor Faaast shows ads.

### Which is updated more often, CoreFast or Faaast?

CoreFast ships an update daily, and Faaast every 8 days. Most recently, CoreFast was updated on October 31, 2026 and Faaast on November 1, 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.*