# Fasting Diary vs Fasty

The clearest difference is review sentiment: Fasting Diary at 43% against Fasty's 8%. Fasting Diary also leads on update cadence (fortnightly vs every 9 months) and iOS requirement (13.0 vs 16.5). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Fasting Diary sells 4 in-app purchases, starting at $0.99 per month and Fasty sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Fasting Diary ships an update fortnightly, Fasty every 9 months. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Fasting Diary | Fasty |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.5K ratings)](https://appshunter.io/ios/app/fasty-intermittent-fasting/id6744280079/reviews)** |
| Number of ratings | — | **1.5K** |
| Positive reviews | **42.9% of reviews** | 7.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 9 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 5 MB |
| Requires iOS | **13.0** | 16.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Dimo Co.,Ltd.](https://appshunter.io/developer/495557603) | [Gabe Rogers](https://appshunter.io/developer/1584630702) |

## What reviewers say

### Fasting Diary

[App page](https://appshunter.io/ios/app/fasting-diary-if-tracker/id6483368664)

This app helps users achieve their weight loss and health goals through intermittent fasting. It provides guidance, motivation, and customizable fasting schedules to support users in burning fat, boosting energy, and improving metabolic health.

**Highlights:** Customizable fasting schedules, Plans for beginners and experts, One-tap start/stop for fasting, Adjustable eating and fasting times, Fasting alerts and reminders

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro monthly | $0.99 | per month |
| Pro 3 months | $1.99 | per 3 months |
| Pro yearly | $2.99 | per year |
| Pro | $2.99 | one-time |


### Fasty

[App page](https://appshunter.io/ios/app/fasty-intermittent-fasting/id6744280079)

This app offers a straightforward and privacy-focused way to track intermittent fasting. It provides tools for timing fasts, monitoring weight and BMI, and maintaining progress streaks without requiring sign-up or displaying ads.

**Highlights:** One-tap fasting timer, Multiple fasting programs, Custom fast durations, Weight tracking, BMI tracking, Progress and streak tracking, Ad-free experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Monthly | $24.99 | per month |
| Annual | $34.99 | per year |


## Frequently asked questions

### Is Fasting Diary free?

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

### Is Fasty free?

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

### Do Fasting Diary or Fasty have ads?

Neither Fasting Diary nor Fasty shows ads.

### Which is updated more often, Fasting Diary or Fasty?

Fasting Diary ships an update fortnightly, and Fasty every 9 months. Most recently, Fasting Diary was updated on October 15, 2026 and Fasty on October 20, 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.*