# TrueFast vs Fasting Notebook

The clearest difference is in-app purchases: Fasting Notebook at none against TrueFast's 6. Fasting Notebook also leads on update cadence (daily vs every 6 days) and iOS requirement (15.5 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. TrueFast sells 6 in-app purchases, starting at $2.99 per month. Fasting Notebook asks for nothing beyond the download.

TrueFast ships an update every 6 days, Fasting Notebook daily. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | TrueFast | Fasting Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/truefast/id6762436547/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Daily** |
| Monetization | Freemium | — |
| Size | 6 MB | 29 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Evan Mattson](https://appshunter.io/developer/1887047359) | [Hyunjin Jang](https://appshunter.io/developer/6814767316) |

## What reviewers say

### TrueFast

[App page](https://appshunter.io/ios/app/truefast/id6762436547)

Track your intermittent fasting journey with a clean, ad-free interface. Monitor your progress, set personalized goals, and access educational content. Offers seamless integration with Apple Watch and Lock Screen widgets for easy access.

**Highlights:** Fasting timer with elapsed and remaining time, Saved goals for common fasting plans, Schedules and reminders, History calendar, streaks, and badges, Lock Screen widgets and Apple Watch support, Fasting phase education, Local-first data storage

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrueFast Pro Monthly | $2.99 | per month |
| TrueFast Pro Yearly | $19.99 | per year |
| Buy Us a Coffee | $1.99 | one-time |
| Power the Fast | $4.99 | one-time |
| Super Supporter | $9.99 | one-time |
| TrueFast Pro (Lifetime) | $29.99 | one-time |


### Fasting Notebook

[App page](https://appshunter.io/ios/app/fasting-notebook/id6818532649)

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

**In-app purchases:** none


## Frequently asked questions

### Is TrueFast free?

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

### Is Fasting Notebook free?

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

### Do TrueFast or Fasting Notebook have ads?

Neither TrueFast nor Fasting Notebook shows ads.

### Which is updated more often, TrueFast or Fasting Notebook?

TrueFast ships an update every 6 days, and Fasting Notebook daily. Most recently, TrueFast was updated on October 31, 2026 and Fasting Notebook on November 10, 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.*