# ReefDoser vs Smart Reef

The clearest difference is review sentiment: ReefDoser at 54% against Smart Reef's 4%. ReefDoser also leads on in-app purchases (none vs 11) and iOS requirement (10.0 vs 14.6). Smart Reef's advantage is rating (1.5 vs 1.0) and ratings volume (23 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smart Reef sells 8 one-off in-app purchases. ReefDoser asks for nothing beyond the download.

Smart Reef holds the better App Store score, 1.5 against 1.0. That said, the two scores are not equally well evidenced: Smart Reef has 23 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 54% of ReefDoser's written reviews are positive against 4% of Smart Reef's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ReefDoser | Smart Reef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/reefdoser/id353011315/reviews) | **[1.5 (23 ratings)](https://appshunter.io/ios/app/smart-reef/id1480355166/reviews)** |
| Number of ratings | 1 | **23** |
| Positive reviews | **54.2% of reviews** | 3.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 4 MB |
| Requires iOS | **10.0** | 14.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pixelwand Ltd](https://appshunter.io/developer/353011318) | [Reef Factory sp. z o.o.](https://appshunter.io/developer/1367901113) |

## What reviewers say

### ReefDoser

[App page](https://appshunter.io/ios/app/reefdoser/id353011315)

This app helps tropical marine aquarium owners calculate precise dosages for essential elements like Calcium, Magnesium, and Alkalinity. It features an extensive database of over 70 products to ensure optimal water parameters for your reef tank.

**Highlights:** Element dosage calculation, Calcium, Magnesium, Alkalinity tracking, Potassium, Iodine, Strontium, Boron, Silicate, Product database (70+ items), Tropical marine aquarium focus

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ReefDoser free?

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

### Is Smart Reef free?

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

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

Smart Reef is rated higher. ReefDoser averages 1.0 out of 5 from 1 ratings, while Smart Reef averages 1.5 from 23 ratings.

### Do ReefDoser or Smart Reef have ads?

Neither ReefDoser nor Smart Reef shows ads.

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

ReefDoser ships an update every 3 months, and Smart Reef every 3 months. Most recently, ReefDoser was updated on October 9, 2026 and Smart Reef on October 20, 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.*