# Bloo vs Waveform Surf

The clearest difference is in-app purchases: Waveform Surf at none against Bloo's 1. Waveform Surf also leads on device support (3 vs 1). Bloo's advantage is update cadence (weekly vs fortnightly). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Bloo sells 1 in-app purchase, starting at $34.99 per year. Waveform Surf asks for nothing beyond the download.

Bloo ships an update weekly, Waveform Surf fortnightly. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Bloo | Waveform Surf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bloo-scuba-dive-log/id6760947188/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Freemium | — |
| Size | 112 MB | 20 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Luke Kidney](https://appshunter.io/developer/1886972508) | [Marc Flannery](https://appshunter.io/developer/1896533706) |

## What reviewers say

### Bloo

[App page](https://appshunter.io/ios/app/bloo-scuba-dive-log/id6760947188)

Log your scuba dives with photos and detailed notes. This app allows you to record dive sites, depths, conditions, and certifications. It also supports importing data from other apps and offers an interactive world map of your dive locations.

**Highlights:** Offline dive logging, Attach photos to dives, Searchable dive site database, Track certifications, Import from other apps, Group dives into trips, Interactive world map

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bloo Pro | $34.99 | per year |


### Waveform Surf

[App page](https://appshunter.io/ios/app/waveform-surf/id6768043430)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bloo free?

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

### Is Waveform Surf free?

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

### Do Bloo or Waveform Surf have ads?

Neither Bloo nor Waveform Surf shows ads.

### Which is updated more often, Bloo or Waveform Surf?

Bloo ships an update weekly, and Waveform Surf fortnightly. Most recently, Bloo was updated on September 24, 2026 and Waveform Surf on September 15, 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.*