# Poseidon Reef vs Currents

The clearest difference is review sentiment: Currents at 75% against Poseidon Reef's 0%. Currents also leads on rating (4.2 vs 3.0) and ads (none vs shown). Poseidon Reef's advantage is in-app purchases (none vs 3) and device support (4 vs 1). On price and ratings volume there is nothing between them.

Both are free to download. Currents sells 3 in-app purchases, starting at $2.99 per month. Poseidon Reef asks for nothing beyond the download.

Currents holds the better App Store score, 4.2 against 3.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 0% of Poseidon Reef's written reviews are positive against 75% of Currents's.

Poseidon Reef ships an update every 5 weeks, Currents every 5 days. The most recent releases landed on June 2, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Poseidon Reef | Currents |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/poseidon-reef/id1581432645/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/currents-diving-community/id6504115639/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 58 MB | 200 MB |
| Requires iOS | **12.1** | 26.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Poseidon Diving Systems AB](https://appshunter.io/developer/567839779) | [Latisha Besariani Hendra](https://appshunter.io/developer/1750934683) |

## What reviewers say

### Poseidon Reef

[App page](https://appshunter.io/ios/app/poseidon-reef/id1581432645)

This app helps divers log, plan, and analyze their dives. It offers detailed overviews, customizable dive logs, and advanced planning for various dive types. Connect your dive computer to manage data and firmware.

**Highlights:** Comprehensive dive logging, Detailed dive planning, Support for OC and CCR dives, Unlimited tank support, Decompression model selection, Dive computer connectivity, Cloud backup and firmware updates

**In-app purchases:** none


### Currents

[App page](https://appshunter.io/ios/app/currents-diving-community/id6504115639)

Log your dives effortlessly with automatic syncing from popular dive computers or quick manual entry. Discover over 5,000 dive sites and verified shops, and connect with a community for real-time safety alerts and shared experiences. Keep your certifications handy and manage gear maintenance with this comprehensive diving companion.

**Highlights:** Automatic dive computer syncing, Quick manual dive logging, Dive site and shop discovery, Community alerts and sharing, Digital certification storage, Gear maintenance tracking

**Features:** Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DiverPlus PRO Monthly | $2.99 | per month |
| DiverPlus PRO Yearly | $19.99 | per year |
| Lifetime Access | $29.99 | one-time |


## Frequently asked questions

### Is Poseidon Reef free?

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

### Is Currents free?

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

### Which has better reviews, Poseidon Reef or Currents?

Currents is rated higher. Poseidon Reef averages 3.0 out of 5 from 2 ratings, while Currents averages 4.2 from 5 ratings.

### Do Poseidon Reef or Currents have ads?

Poseidon Reef shows ads; Currents does not.

### Which is updated more often, Poseidon Reef or Currents?

Poseidon Reef ships an update every 5 weeks, and Currents every 5 days. Most recently, Poseidon Reef was updated on June 2, 2026 and Currents on September 23, 2026.

---

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