# ShinMao vs REEFB

The clearest difference is update cadence: ShinMao at fortnightly against REEFB's every 2 months. REEFB's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ShinMao ships an update fortnightly, REEFB every 2 months. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ShinMao | REEFB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/reefb/id6738972525/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Free |
| Size | 39 MB | 39 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shin Feng Yu Electronic & Tech, Co. Ltd](https://appshunter.io/developer/1732962886) | [CROWN P & E CO., LTD.](https://appshunter.io/developer/1783223891) |

## What reviewers say

### ShinMao

[App page](https://appshunter.io/ios/app/shinmao/id6478474614)

**In-app purchases:** none


### REEFB

[App page](https://appshunter.io/ios/app/reefb/id6738972525)

This app offers intelligent control for REEF B Series devices, simplifying aquarium management. It allows for effortless monitoring and maintenance of aquaculture equipment and schedules via Bluetooth connectivity.

**Highlights:** Dosing modes: 24-hour average, custom, single-dose, Precise dosing calibration, Flexible schedule adjustment, Multi-device management via Bluetooth, Accurate spectrum scheduling for LED lights, Master-sub synchronization for lights, Scene modes for LED lights

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

**In-app purchases:** none


## Frequently asked questions

### Is ShinMao free?

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

### Is REEFB free?

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

### Do ShinMao or REEFB have ads?

Neither ShinMao nor REEFB shows ads.

### Which is updated more often, ShinMao or REEFB?

ShinMao ships an update fortnightly, and REEFB every 2 months. Most recently, ShinMao was updated on October 5, 2026 and REEFB on October 11, 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.*