# DAPY LIGHTS vs Aqualy

The clearest difference is in-app purchases: DAPY LIGHTS at none against Aqualy's 3. DAPY LIGHTS also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

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

DAPY LIGHTS ships an update every 2 weeks, Aqualy fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DAPY LIGHTS | Aqualy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (9 ratings)](https://appshunter.io/ios/app/aqualy-aquarium-assistant/id6761665555/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 68 MB | 66 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [锐湖 陈](https://appshunter.io/developer/1660485392) | [Deem Mobile Technologies Limited](https://appshunter.io/developer/1316933424) |

## What reviewers say

### DAPY LIGHTS

[App page](https://appshunter.io/ios/app/dapy-lights/id6448335556)

**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 DAPY LIGHTS free?

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

### Is Aqualy free?

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

### Do DAPY LIGHTS or Aqualy have ads?

Neither DAPY LIGHTS nor Aqualy shows ads.

### Which is updated more often, DAPY LIGHTS or Aqualy?

DAPY LIGHTS ships an update every 2 weeks, and Aqualy fortnightly. Most recently, DAPY LIGHTS was updated on October 27, 2026 and Aqualy 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.*