# Dive Diary vs Scuba Diving Logbook Octologs

The clearest difference is rating: Scuba Diving Logbook Octologs at 4.8 against Dive Diary's 4.0. Dive Diary's advantage is in-app purchases (none vs 14) and ratings volume (19 vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Scuba Diving Logbook Octologs sells 14 in-app purchases, starting at $1.00 per month. Dive Diary asks for nothing beyond the download.

Scuba Diving Logbook Octologs holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 19 and 4 respectively.

Dive Diary ships an update every 2 months, Scuba Diving Logbook Octologs every 5 weeks. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Dive Diary | Scuba Diving Logbook Octologs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (19 ratings)](https://appshunter.io/ios/app/dive-diary/id732855199/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/scuba-diving-logbook-octologs/id6449296808/reviews)** |
| Number of ratings | **19** | 4 |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free** | Freemium |
| Size | 25 MB | 88 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Goanmook Choi](https://appshunter.io/developer/732855202) | [BENJAMIN MAHR](https://appshunter.io/developer/1688567342) |

## What reviewers say

### Dive Diary

[App page](https://appshunter.io/ios/app/dive-diary/id732855199)

This app serves as a digital logbook for scuba divers, allowing users to record their dives with a visually appealing, customizable interface. It supports unlimited photo and video attachments, cloud backup, and easy sharing of dive logs.

**Highlights:** Customizable logbook design, Unlimited photo/video attachments, Cloud backup and restore, Cross-device synchronization, Social media sharing, Import Suunto dive computer logs, Export logs to CSV

**Features:** macOS Compatibility

**In-app purchases:** none


### Scuba Diving Logbook Octologs

[App page](https://appshunter.io/ios/app/scuba-diving-logbook-octologs/id6449296808)

Log your scuba diving adventures with detailed stats, photos, and dive buddy connections. Explore your dive history on a global map and analyze performance with advanced analytics. Works offline and syncs automatically.

**Highlights:** Complete dive logging with GPS and depth profiles, Advanced dive analytics and performance tracking, Dive buddy network and in-app messaging, Visual dive mapping on an interactive world map, Offline functionality with automatic sync, GDPR-compliant cloud storage and backups

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription | $1.00 | per month |
| Pro Subscription | $4.00 | per month |
| Pro Subscription | $4.90 | per month |
| Basic | $4.99 | per month |
| Pro | $9.00 | per month |
| Premium | $9.99 | per month |
| Pro Subscription | $10.00 | per year |
| Ultimate | $14.99 | per month |
| Pro Subscription | $49.90 | per year |
| Basic | $49.99 | per year |
| Pro | $90.00 | per year |
| Premium | $99.99 | per year |
| Ultimate | $149.99 | per year |
| 100 logbook entries | $10.00 | one-time |


## Frequently asked questions

### Is Dive Diary free?

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

### Is Scuba Diving Logbook Octologs free?

Scuba Diving Logbook Octologs is free to download, with in-app purchases available.

### Which has better reviews, Dive Diary or Scuba Diving Logbook Octologs?

Scuba Diving Logbook Octologs is rated higher. Dive Diary averages 4.0 out of 5 from 19 ratings, while Scuba Diving Logbook Octologs averages 4.8 from 4 ratings.

### Do Dive Diary or Scuba Diving Logbook Octologs have ads?

Neither Dive Diary nor Scuba Diving Logbook Octologs shows ads.

### Which is updated more often, Dive Diary or Scuba Diving Logbook Octologs?

Dive Diary ships an update every 2 months, and Scuba Diving Logbook Octologs every 5 weeks. Most recently, Dive Diary was updated on October 29, 2026 and Scuba Diving Logbook Octologs on October 7, 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.*