# ReefCMD vs Tanksmith

The clearest difference is iOS requirement: ReefCMD at 15.0 against Tanksmith's 17.0. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. ReefCMD sells 2 in-app purchases, starting at $6.99 per month and Tanksmith sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ReefCMD against 5.0 for Tanksmith. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

ReefCMD ships an update every 3 weeks, Tanksmith fortnightly. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ReefCMD | Tanksmith |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/reefcmd-reef-tank-management/id6769246761/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tanksmith/id6769517856/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 18 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ReefCMD LLC](https://appshunter.io/developer/1896642937) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### ReefCMD

[App page](https://appshunter.io/ios/app/reefcmd-reef-tank-management/id6769246761)

Manage your saltwater aquarium parameters, dosing, and livestock with this app. Track water quality, log maintenance, and get a health score for your reef tank. Features an animal library and controller integration.

**Highlights:** Track water parameters (alkalinity, calcium, etc.), Log dosing and maintenance, Reef tank Health Score, Animal and pest library, Controller integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefCMD Pro — Monthly | $6.99 | per month |
| ReefCMD Pro — Annual | $69.99 | per year |


### Tanksmith

[App page](https://appshunter.io/ios/app/tanksmith/id6769517856)

This app helps reef aquarium owners meticulously track water parameters, equipment maintenance, and livestock with photos. It offers detailed logging for water chemistry, test kits, and salt batches, with an optional pro version for advanced features like multi-tank management and PDF reporting.

**Highlights:** Offline reef tank logbook, Water parameter tracking, Equipment service logging, Livestock and coral photo management, Test kit and salt batch recording, Multi-tank management (Pro), Tank Report PDF generation (Pro)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tanksmith Pro | $9.99 | one-time |


## Frequently asked questions

### Is ReefCMD free?

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

### Is Tanksmith free?

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

### Which has better reviews, ReefCMD or Tanksmith?

ReefCMD and Tanksmith are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do ReefCMD or Tanksmith have ads?

Neither ReefCMD nor Tanksmith shows ads.

### Which is updated more often, ReefCMD or Tanksmith?

ReefCMD ships an update every 3 weeks, and Tanksmith fortnightly. Most recently, ReefCMD was updated on October 28, 2026 and Tanksmith on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*