# Smart Reef vs Reef Buddy

The clearest difference is review sentiment: Reef Buddy at 55% against Smart Reef's 4%. Reef Buddy also leads on rating (3.9 vs 1.5) and update cadence (every 2 weeks vs every 3 months). Smart Reef's advantage is iOS requirement (14.6 vs 26.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Smart Reef sells 8 one-off in-app purchases and Reef Buddy sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Reef Buddy holds the better App Store score, 3.9 against 1.5. Both are backed by a comparable volume of ratings — 23 and 20 respectively. Written reviews point the same way: 4% of Smart Reef's written reviews are positive against 55% of Reef Buddy's.

Smart Reef ships an update every 3 months, Reef Buddy every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Smart Reef | Reef Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (23 ratings)](https://appshunter.io/ios/app/smart-reef/id1480355166/reviews) | **[3.9 (20 ratings)](https://appshunter.io/ios/app/reef-buddy-reef-tank-tracker/id1593580822/reviews)** |
| Number of ratings | **23** | 20 |
| Positive reviews | 3.8% of reviews | **54.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 4 MB | 46 MB |
| Requires iOS | **14.6** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Reef Factory sp. z o.o.](https://appshunter.io/developer/1367901113) | [District Web](https://appshunter.io/developer/595076846) |

## What reviewers say

### Smart Reef

[App page](https://appshunter.io/ios/app/smart-reef/id1480355166)

Manage your marine aquarium with this app. It provides device management, alerts for issues, and detailed historical data. A central dashboard offers a clear overview of your aquarium's status and device operations.

**Highlights:** Device management, Aquarium alerts, Measurement history, Operational status dashboard, Planned job journal, Preset sharing

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Warranty 3 years | $12.99 | one-time |
| Warranty 3 years | $17.99 | one-time |
| Warranty 3 years | $19.99 | one-time |
| Warranty 3 years | $24.99 | one-time |
| Warranty 3 years | $29.99 | one-time |
| Warranty 3 years | $34.99 | one-time |
| Warranty 3 years | $39.99 | one-time |
| Warranty 3 years | $49.99 | one-time |


### Reef Buddy

[App page](https://appshunter.io/ios/app/reef-buddy-reef-tank-tracker/id1593580822)

Easily log, monitor, and analyze your saltwater aquarium's critical parameters. Get smart insights and personalized advice to maintain a healthy reef tank. Syncs across devices and offers guidance for manual test results.

**Highlights:** Log critical aquarium parameters, Monitor KH, salinity, pH, Ca, Mg, and more, Analyze data with automated insights, Sync data across iPhone and iPad, Guidance for manual test kit results, Personalized advice with premium subscription

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reef Buddy Pro Weekly | $0.99 | per 7 days |
| Reef Buddy Pro | $1.99 | per month |
| Reef buddy pro month | $3.99 | per month |
| Reef buddy pro annual | $44.99 | per year |


## Frequently asked questions

### Is Smart Reef free?

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

### Is Reef Buddy free?

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

### Which has better reviews, Smart Reef or Reef Buddy?

Reef Buddy is rated higher. Smart Reef averages 1.5 out of 5 from 23 ratings, while Reef Buddy averages 3.9 from 20 ratings.

### Do Smart Reef or Reef Buddy have ads?

Neither Smart Reef nor Reef Buddy shows ads.

### Which is updated more often, Smart Reef or Reef Buddy?

Smart Reef ships an update every 3 months, and Reef Buddy every 2 weeks. Most recently, Smart Reef was updated on October 24, 2026 and Reef Buddy 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.*