# Diving Log vs Diving Calculator

The clearest difference is in-app purchases: Diving Calculator at none against Diving Log's 1. Diving Calculator also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Diving Log sells 1 one-off in-app purchase. Diving Calculator asks for nothing beyond the download.

Diving Log ships an update every 2 months, Diving Calculator weekly. The most recent releases landed on August 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Diving Log | Diving Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/diving-log-scuba-logbook/id829482048/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 33 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAIKI HIRATA](https://appshunter.io/developer/719880632) | [Alberto Segovia](https://appshunter.io/developer/1724272655) |

## What reviewers say

### Diving Log

[App page](https://appshunter.io/ios/app/diving-log-scuba-logbook/id829482048)

Record your scuba diving activities, including dive data, weather conditions, and photos. Create visual "DiveLines" of your underwater experiences and share them with friends. An optional add-on allows for additional features and ad removal.

**Highlights:** Logbook and DiveLine creation, Location tracking for dives, CSV and image file export, Map view of dive locations, Record dive data and weather, Add photos to DiveLines

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional Function (Old Ad Hide) | $4.99 | one-time |


### Diving Calculator

[App page](https://appshunter.io/ios/app/diving-calculator/id6680148006)

**In-app purchases:** none


## Frequently asked questions

### Is Diving Log free?

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

### Is Diving Calculator free?

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

### Do Diving Log or Diving Calculator have ads?

Diving Log shows ads; Diving Calculator does not.

### Which is updated more often, Diving Log or Diving Calculator?

Diving Log ships an update every 2 months, and Diving Calculator weekly. Most recently, Diving Log was updated on August 26, 2026 and Diving Calculator on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*