# ReefDoser vs AquaticLog

The clearest difference is rating: AquaticLog at 4.2 against ReefDoser's 1.0. AquaticLog also leads on update cadence (every 10 days vs every 3 months) and ratings volume (405 vs 1). ReefDoser's advantage is in-app purchases (none vs 3) and iOS requirement (10.0 vs 18.1). On price, ads and device support there is nothing between them.

Both are free to download. AquaticLog sells 3 in-app purchases, starting at $4.99 per month. ReefDoser asks for nothing beyond the download.

AquaticLog holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: AquaticLog has 405 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 54% of ReefDoser's written reviews are positive against 70% of AquaticLog's.

ReefDoser ships an update every 3 months, AquaticLog every 10 days. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ReefDoser | AquaticLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/reefdoser/id353011315/reviews) | **[4.2 (405 ratings)](https://appshunter.io/ios/app/aquaticlog/id583895470/reviews)** |
| Number of ratings | 1 | **405** |
| Positive reviews | 54.2% of reviews | **69.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | **Free** | Freemium |
| Size | 23 MB | 22 MB |
| Requires iOS | **10.0** | 18.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pixelwand Ltd](https://appshunter.io/developer/353011318) | [Lonnex Inc](https://appshunter.io/developer/1547270716) |

## 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


### AquaticLog

[App page](https://appshunter.io/ios/app/aquaticlog/id583895470)

Manage your aquarium with this comprehensive platform. Track water parameters, schedule maintenance, log livestock, and document your tank's progress with photos and videos. Connect controllers for automatic data import and sync across devices.

**Highlights:** Water parameter tracking, Smart reminders for maintenance, Livestock management, Equipment and dosing logs, Controller integration, Photo and video diary, Community features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $4.99 | per month |
| Pro Yearly Membership | $39.99 | per year |
| Pro Lifetime Membership | $149.99 | one-time |


## Frequently asked questions

### Is ReefDoser free?

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

### Is AquaticLog free?

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

### Which has better reviews, ReefDoser or AquaticLog?

AquaticLog is rated higher. ReefDoser averages 1.0 out of 5 from 1 ratings, while AquaticLog averages 4.2 from 405 ratings.

### Do ReefDoser or AquaticLog have ads?

Neither ReefDoser nor AquaticLog shows ads.

### Which is updated more often, ReefDoser or AquaticLog?

ReefDoser ships an update every 3 months, and AquaticLog every 10 days. Most recently, ReefDoser was updated on October 9, 2026 and AquaticLog on October 19, 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.*