# Exist vs Logg

The clearest difference is monetization model: Logg at free with in-app purchases against Exist's subscription. Logg also leads on iOS requirement (13.0 vs 18.0). Exist's advantage is ads (none vs shown). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Exist sells 1 in-app purchase, starting at $8.49 per month and Logg sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.1 for Exist against 4.1 for Logg. Both are backed by a comparable volume of ratings — 46 and 55 respectively. Written reviews are what separate them: 68% of Exist's written reviews are positive against 64% of Logg's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on June 9, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Exist | Logg |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (46 ratings)](https://appshunter.io/ios/app/exist/id986201088/reviews) | **[4.1 (55 ratings)](https://appshunter.io/ios/app/logg-personal-journal-and-diary/id1330303970/reviews)** |
| Number of ratings | 46 | **55** |
| Positive reviews | **68.4% of reviews** | 64.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 14 MB | 61 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hello Code Pty Ltd](https://appshunter.io/developer/933609066) | [Almondspring Ltd.](https://appshunter.io/developer/981704843) |

## What reviewers say

### Exist

[App page](https://appshunter.io/ios/app/exist/id986201088)

This app helps you understand and optimize your behavior by combining manual tracking with automatic syncing from various services. Track health, productivity, and more, uncover relationships between habits, and run experiments on your behavior. Gain daily insights and weekly summaries to improve your life.

**Highlights:** Track any data point manually, Automatic syncing from health and productivity services, Daily insights and weekly summaries, Discover correlations between habits, Run behavioral experiments, Integrates with Apple Health and other services

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Exist monthly subscription | $8.49 | per month |


### Logg

[App page](https://appshunter.io/ios/app/logg-personal-journal-and-diary/id1330303970)

This app allows you to securely log and organize all your life moments, activities, and thoughts. Track moods, habits, and memories with photos, voice notes, and location data. It also offers social features to connect with friends and discover new ones.

**Highlights:** Life logging and activity tracking, Mood tracking with photos and voice notes, Habit tracking and reminders, Secure private journaling, Calendar and timeline views, Social sharing and discovery, Integration with health and music apps

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $2.99 | per month |
| Premium Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Exist free?

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

### Is Logg free?

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

### Which has better reviews, Exist or Logg?

Logg is rated higher. Exist averages 4.1 out of 5 from 46 ratings, while Logg averages 4.1 from 55 ratings.

### Do Exist or Logg have ads?

Logg shows ads; Exist does not.

### Which is updated more often, Exist or Logg?

Exist ships an update every 3 weeks, and Logg every 3 weeks. Most recently, Exist was updated on June 9, 2026 and Logg on July 5, 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.*