# SOLIS 4GS DIVE LOG vs Diving Buddy

The clearest difference is in-app purchases: SOLIS 4GS DIVE LOG at none against Diving Buddy's 2. SOLIS 4GS DIVE LOG also leads on iOS requirement (16.0 vs 18.0). Diving Buddy's advantage is update cadence (daily vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Diving Buddy sells 2 in-app purchases, starting at $24.99 per year. SOLIS 4GS DIVE LOG asks for nothing beyond the download.

SOLIS 4GS DIVE LOG ships an update every 4 months, Diving Buddy daily. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SOLIS 4GS DIVE LOG | Diving Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free | — |
| Size | 38 MB | 12 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Bism CORPORATION](https://appshunter.io/developer/1451690330) | [Harry Richardson](https://appshunter.io/developer/682912217) |

## What reviewers say

### SOLIS 4GS DIVE LOG

[App page](https://appshunter.io/ios/app/solis-4gs-dive-log/id1451690331)

This application allows users to transfer and view dive logs from SOLIS 4GS devices. It provides a digital platform for managing and accessing your diving data.

**Highlights:** Transfer dive logs, View dive logs, Manage diving data, SOLIS 4GS device compatibility

**In-app purchases:** none


### Diving Buddy

[App page](https://appshunter.io/ios/app/diving-buddy-dive-log-and-plan/id6767886880)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diving Buddy | $24.99 | per year |
| Diving Buddy | $59.99 | one-time |


## Frequently asked questions

### Is SOLIS 4GS DIVE LOG free?

SOLIS 4GS DIVE LOG is free to download, with no in-app purchases.

### Is Diving Buddy free?

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

### Do SOLIS 4GS DIVE LOG or Diving Buddy have ads?

Neither SOLIS 4GS DIVE LOG nor Diving Buddy shows ads.

### Which is updated more often, SOLIS 4GS DIVE LOG or Diving Buddy?

SOLIS 4GS DIVE LOG ships an update every 4 months, and Diving Buddy daily. Most recently, SOLIS 4GS DIVE LOG was updated on November 2, 2026 and Diving Buddy on October 24, 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.*