# Dive Log vs CNSP

The clearest difference is price: CNSP at Free against Dive Log's $14.99. CNSP also leads on in-app purchases (none vs 13) and update cadence (every 4 days vs monthly). Dive Log's advantage is iOS requirement (15.0 vs 17.0). On ads and device support there is nothing between them.

CNSP is free to download; Dive Log costs $14.99 up front. Dive Log sells 11 one-off in-app purchases. CNSP asks for nothing beyond the download.

Dive Log ships an update monthly, CNSP every 4 days. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Dive Log | CNSP |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.7 (106 ratings)](https://appshunter.io/ios/app/dive-log/id301049600/reviews)** | — |
| Number of ratings | **106** | — |
| Positive reviews | 83.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 22 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [Victor Schmitt](https://appshunter.io/developer/1511598817) |

## What reviewers say

### Dive Log

[App page](https://appshunter.io/ios/app/dive-log/id301049600)

Log your SCUBA dives with detailed information, including GPS coordinates and dive buddy details. Supports metric and imperial units, and integrates with desktop software for comprehensive dive history management.

**Highlights:** SCUBA diving logbook, GPS coordinate capture, Dive buddy integration, Dive data and statistics, Metric and Imperial units, Dive computer data import, Bluetooth LE transfer

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suunto Bluetooth Download | $2.99 | one-time |
| Mares Bluetooth Download | $2.99 | one-time |
| Crest Bluetooth Download | $2.99 | one-time |
| Shearwater Download | $2.99 | one-time |
| bluebuddy Download | $2.99 | one-time |
| SCUBAPRO Download | $2.99 | one-time |
| Pelagic Bluetooth Download | $2.99 | one-time |
| Cressi Bluetooth Download | $2.99 | one-time |
| Ratio Bluetooth Download | $2.99 | one-time |
| Halcyon Bluetooth Download | $2.99 | one-time |
| DCbuddy Support | $4.99 | one-time |


### CNSP

[App page](https://appshunter.io/ios/app/cnsp/id6760980627)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dive Log free?

Dive Log costs $14.99, and also offers in-app purchases.

### Is CNSP free?

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

### Do Dive Log or CNSP have ads?

Neither Dive Log nor CNSP shows ads.

### Which is updated more often, Dive Log or CNSP?

Dive Log ships an update monthly, and CNSP every 4 days. Most recently, Dive Log was updated on October 12, 2026 and CNSP on October 8, 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.*