# DeepSix Dive Log vs Interval

The clearest difference is in-app purchases: Interval at none against DeepSix Dive Log's 4. DeepSix Dive Log's advantage is iOS requirement (18.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DeepSix Dive Log sells 4 in-app purchases, starting at $0.99 per month. Interval asks for nothing beyond the download.

DeepSix Dive Log ships an update weekly, Interval every 4 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DeepSix Dive Log | Interval |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/deepsix-dive-log/id6760018643/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 79 MB | 87 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad, Mac, Apple TV, Apple Watch | iPhone, iPad, Mac, Apple TV, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Richard Bollar](https://appshunter.io/developer/1864304955) | [Brian Groskamp](https://appshunter.io/developer/1896650103) |

## What reviewers say

### DeepSix Dive Log

[App page](https://appshunter.io/ios/app/deepsix-dive-log/id6760018643)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plankton (Monthly) | $0.99 | per month |
| Plankton (Yearly) | $9.99 | per year |
| Whale | $49.99 | one-time |
| Megalodon | $99.99 | one-time |


### Interval

[App page](https://appshunter.io/ios/app/interval-dive-log/id6806797827)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DeepSix Dive Log free?

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

### Is Interval free?

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

### Do DeepSix Dive Log or Interval have ads?

Neither DeepSix Dive Log nor Interval shows ads.

### Which is updated more often, DeepSix Dive Log or Interval?

DeepSix Dive Log ships an update weekly, and Interval every 4 days. Most recently, DeepSix Dive Log was updated on October 24, 2026 and Interval on October 10, 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.*