# Red Diary vs Interval Working

The clearest difference is in-app purchases: Interval Working at none against Red Diary's 1. Interval Working also leads on iOS requirement (15.6 vs 17.1). Red Diary's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Red Diary sells 1 one-off in-app purchase. Interval Working asks for nothing beyond the download.

Red Diary ships an update every 6 weeks, Interval Working every 6 months. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Red Diary | Interval Working |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/red-diary/id1170809232/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 51 MB |
| Requires iOS | 17.1 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Akos Polster](https://appshunter.io/developer/611826421) | [David Fernandez-Vegue Garcia](https://appshunter.io/developer/1576667472) |

## What reviewers say

### Red Diary

[App page](https://appshunter.io/ios/app/red-diary/id1170809232)

Log your walks, runs, and rides with detailed stats like distance, speed, and elevation. Capture photos and notes, and view your route on a map. Enjoy automatic trip start/stop and voice announcements, even with headphones on.

**Highlights:** Log walks, runs, and rides, Detailed trip statistics, Route maps with elevation, Add photos and notes, Automatic trip start/stop, Voice announcements, Independent watch app

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Power User | $4.99 | one-time |


### Interval Working

[App page](https://appshunter.io/ios/app/interval-working/id1576667470)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Red Diary free?

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

### Is Interval Working free?

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

### Do Red Diary or Interval Working have ads?

Interval Working shows ads; Red Diary does not.

### Which is updated more often, Red Diary or Interval Working?

Red Diary ships an update every 6 weeks, and Interval Working every 6 months. Most recently, Red Diary was updated on October 12, 2026 and Interval Working 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.*