# JustFast vs Hold Fast

The clearest difference is in-app purchases: JustFast at none against Hold Fast's 2. Hold Fast's advantage is update cadence (every 5 days vs fortnightly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Hold Fast sells 2 in-app purchases, starting at $2.99 per month. JustFast asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for JustFast against 5.0 for Hold Fast. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

JustFast ships an update fortnightly, Hold Fast every 5 days. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | JustFast | Hold Fast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/justfast-timer/id6775042519/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/hold-fast-fasting-tracker/id6785310980/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 20 MB | 10 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Vitalii Vyrodov](https://appshunter.io/developer/1588698342) | [Byron Soto](https://appshunter.io/developer/1829280656) |

## What reviewers say

### JustFast

[App page](https://appshunter.io/ios/app/justfast-timer/id6775042519)

This app offers a straightforward intermittent fasting timer. It focuses on tracking your fast with a clear, calm interface, providing insights into metabolic stages without gamification or pressure. It prioritizes privacy with on-device data storage and no accounts.

**Highlights:** One-tap start and stop, Live timer with accurate timekeeping, Metabolic milestone tracking, Plain-language explanations of milestones, Adjustable start/stop times, Ongoing notification for duration, Simple history of past fasts, 18 languages and dark design

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

**In-app purchases:** none


### Hold Fast

[App page](https://appshunter.io/ios/app/hold-fast-fasting-tracker/id6785310980)

This app provides a clean and reliable timer for intermittent fasting. It offers customizable plans, progress tracking, and live activity updates without ads or clutter. Focus on your fasting goals with an intuitive interface.

**Highlights:** One-tap fasting start, Live Activity and Dynamic Island timer, Home and Lock Screen widgets, Popular fasting plans included, Sun Up to Sun Down plan, Fasting history and trend charts, Start and goal reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is JustFast free?

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

### Is Hold Fast free?

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

### Which has better reviews, JustFast or Hold Fast?

JustFast and Hold Fast are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do JustFast or Hold Fast have ads?

Neither JustFast nor Hold Fast shows ads.

### Which is updated more often, JustFast or Hold Fast?

JustFast ships an update fortnightly, and Hold Fast every 5 days. Most recently, JustFast was updated on September 28, 2026 and Hold Fast on October 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.*