# Reef Buddy vs EVO Microclimate

The clearest difference is in-app purchases: EVO Microclimate at none against Reef Buddy's 4. EVO Microclimate also leads on iOS requirement (16.4 vs 26.0). Reef Buddy's advantage is update cadence (every 2 weeks vs every 22 months) and device support (3 vs 1). On price, review sentiment and ads there is nothing between them.

Both are free to download. Reef Buddy sells 4 in-app purchases, starting at $0.99 per 7 days. EVO Microclimate asks for nothing beyond the download.

Reef Buddy ships an update every 2 weeks, EVO Microclimate every 22 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Reef Buddy | EVO Microclimate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (20 ratings)](https://appshunter.io/ios/app/reef-buddy-reef-tank-tracker/id1593580822/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | **54.5% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 22 months |
| Monetization | Freemium | **Free** |
| Size | 46 MB | 94 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [District Web](https://appshunter.io/developer/595076846) | [Microclimate International Limited](https://appshunter.io/developer/1593959159) |

## What reviewers say

### 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 |


### EVO Microclimate

[App page](https://appshunter.io/ios/app/evo-microclimate/id1593959157)

Monitor and control reptile thermostats remotely via a mobile app or web dashboard. Track real-time environmental data, including temperature graphs up to a year old, and manage multiple thermostats from a single interface. Share access with others for collaborative control.

**Highlights:** Remote thermostat monitoring, Real-time data display, Temperature graphing (up to 1 year), Multi-thermostat management, User access sharing, Web dashboard access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reef Buddy free?

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

### Is EVO Microclimate free?

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

### Do Reef Buddy or EVO Microclimate have ads?

Neither Reef Buddy nor EVO Microclimate shows ads.

### Which is updated more often, Reef Buddy or EVO Microclimate?

Reef Buddy ships an update every 2 weeks, and EVO Microclimate every 22 months. Most recently, Reef Buddy was updated on October 24, 2026 and EVO Microclimate 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.*