# WatSen vs AquaDegrees

The clearest difference is in-app purchases: WatSen at none against AquaDegrees's 1. WatSen also leads on ads (none vs shown) and update cadence (fortnightly vs every 3 months). AquaDegrees's advantage is review sentiment (100% vs 68%). On price and device support there is nothing between them.

Both are free to download. AquaDegrees sells 1 one-off in-app purchase. WatSen asks for nothing beyond the download.

WatSen ships an update fortnightly, AquaDegrees every 3 months. The most recent releases landed on October 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | WatSen | AquaDegrees |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 68.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Artem Kislitsyn](https://appshunter.io/developer/1102786720) | [Denis Ivanov](https://appshunter.io/developer/1464326859) |

## What reviewers say

### WatSen

[App page](https://appshunter.io/ios/app/watsen/id1244558907)

Monitor Black Sea water temperatures with real-time data. Utilizes automated buoys during summer and satellite imagery in colder months for comprehensive tracking.

**Highlights:** Black Sea water temperature tracking, Automated buoy stations, Satellite data display, Summer and winter monitoring, Real-time data

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

**In-app purchases:** none


### AquaDegrees

[App page](https://appshunter.io/ios/app/aquadegrees/id6642677340)

Get real-time sea water temperature updates for locations worldwide. Plan your beach days, surfing sessions, or swimming trips with essential information for seaside adventures.

**Highlights:** Real-time sea temperature updates, Global location coverage, Ideal for surfers and swimmers, Beach day planning tool, User-friendly interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |


## Frequently asked questions

### Is WatSen free?

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

### Is AquaDegrees free?

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

### Do WatSen or AquaDegrees have ads?

AquaDegrees shows ads; WatSen does not.

### Which is updated more often, WatSen or AquaDegrees?

WatSen ships an update fortnightly, and AquaDegrees every 3 months. Most recently, WatSen was updated on October 16, 2026 and AquaDegrees on September 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.*