# eVS vs ReefBuddy

The clearest difference is in-app purchases: eVS at none against ReefBuddy's 2. eVS also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. ReefBuddy sells 2 one-off in-app purchases. eVS asks for nothing beyond the download.

eVS ships an update every 5 weeks, ReefBuddy monthly. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | eVS | ReefBuddy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 80 MB | 2 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Electric Vehicle Safe](https://appshunter.io/developer/1814285795) | [Aethers](https://appshunter.io/developer/1818244508) |

## What reviewers say

### eVS

[App page](https://appshunter.io/ios/app/evs/id6745864735)

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

**In-app purchases:** none


### ReefBuddy

[App page](https://appshunter.io/ios/app/reefbuddy/id6757940721)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Analysis Credits | $0.99 | one-time |
| 50 Analysis Credits | $4.99 | one-time |


## Frequently asked questions

### Is eVS free?

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

### Is ReefBuddy free?

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

### Do eVS or ReefBuddy have ads?

Neither eVS nor ReefBuddy shows ads.

### Which is updated more often, eVS or ReefBuddy?

eVS ships an update every 5 weeks, and ReefBuddy monthly. Most recently, eVS was updated on September 17, 2026 and ReefBuddy on September 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.*