# P vs Aqualy

The clearest difference is rating: Aqualy at 4.0 against P's 1.0. Aqualy also leads on update cadence (fortnightly vs every 3 months). P's advantage is in-app purchases (none vs 3). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Aqualy sells 3 in-app purchases, starting at $5.99 per 7 days. P asks for nothing beyond the download.

Aqualy holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 15 and 8 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

P ships an update every 3 months, Aqualy fortnightly. The most recent releases landed on August 27, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | P | Aqualy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (15 ratings)](https://appshunter.io/ios/app/p-light-controller/id6747892864/reviews) | **[4.0 (8 ratings)](https://appshunter.io/ios/app/aqualy-aquarium-assistant/id6761665555/reviews)** |
| Number of ratings | **15** | 8 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 65 MB | 66 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [东莞市品盈电子有限公司](https://appshunter.io/developer/1823227759) | [Deem Mobile Technologies Limited](https://appshunter.io/developer/1316933424) |

## What reviewers say

### P

[App page](https://appshunter.io/ios/app/p-light-controller/id6747892864)

Control your aquarium lighting fixtures with this utility app. Adjust settings and manage your lighting setup directly from your device.

**Highlights:** Aquarium lighting control, Fixture management, Device integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Aqualy

[App page](https://appshunter.io/ios/app/aqualy-aquarium-assistant/id6761665555)

This app uses AI to help you care for your aquarium. Scan water test strips, identify fish from photos, and get expert advice. Track tank parameters, log photos, and learn from curated content.

**Highlights:** AI-powered water test strip scanning, Instant fish identification from photos, AI assistant for expert aquarium advice, Comprehensive tank logging and tracking, Daily photo log for visual timeline, Educational articles and quizzes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aqualy Pro | $5.99 | per 7 days |
| Premium Monthly | $19.99 | per month |
| Aqualy Pro | $39.99 | per year |


## Frequently asked questions

### Is P free?

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

### Is Aqualy free?

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

### Which has better reviews, P or Aqualy?

Aqualy is rated higher. P averages 1.0 out of 5 from 15 ratings, while Aqualy averages 4.0 from 8 ratings.

### Do P or Aqualy have ads?

Neither P nor Aqualy shows ads.

### Which is updated more often, P or Aqualy?

P ships an update every 3 months, and Aqualy fortnightly. Most recently, P was updated on August 27, 2026 and Aqualy on September 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.*