# Harmony Timer vs F3 Endurance

The clearest difference is in-app purchases: F3 Endurance at none against Harmony Timer's 2. F3 Endurance also leads on update cadence (every 9 days vs every 10 months). Harmony Timer's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Harmony Timer sells 2 in-app purchases, starting at $4.99 per month. F3 Endurance asks for nothing beyond the download.

Harmony Timer ships an update every 10 months, F3 Endurance every 9 days. The most recent releases landed on September 25, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Harmony Timer | F3 Endurance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/harmony-timer/id6744337784/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 73 MB | 90 MB |
| Requires iOS | 15.1 | **15** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Journey On](https://appshunter.io/developer/1807155063) | [PushPress, Inc.](https://appshunter.io/developer/688595778) |

## What reviewers say

### Harmony Timer

[App page](https://appshunter.io/ios/app/harmony-timer/id6744337784)

This app provides customizable interval timers for various fitness activities, from high-intensity workouts to meditation. It features an intuitive interface, versatile training modes, and progress tracking to help users optimize their training and well-being.

**Highlights:** Customizable interval timers, HIIT, Tabata, and weight training support, Yoga and meditation modes, Intuitive and dynamic interface, Versatile training modes, Progress tracking and calendar view

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access (Monthly) | $4.99 | per month |
| Unlimited Access (Yearly) | $44.99 | per year |


### F3 Endurance

[App page](https://appshunter.io/ios/app/f3-endurance/id6758725544)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Harmony Timer free?

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

### Is F3 Endurance free?

F3 Endurance is free to download, with no in-app purchases.

### Do Harmony Timer or F3 Endurance have ads?

F3 Endurance shows ads; Harmony Timer does not.

### Which is updated more often, Harmony Timer or F3 Endurance?

Harmony Timer ships an update every 10 months, and F3 Endurance every 9 days. Most recently, Harmony Timer was updated on September 25, 2026 and F3 Endurance on October 2, 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.*