# LionCheck vs LYNK Pro

The clearest difference is iOS requirement: LionCheck at 9.0 against LYNK Pro's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | LionCheck | LYNK Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Free |
| Size | 30 MB | 84 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [崇 宁](https://appshunter.io/developer/1522657626) | [Giesemann Lichttechnik und Aquaristik GmbH](https://appshunter.io/developer/1062255163) |

## What reviewers say

### LionCheck

[App page](https://appshunter.io/ios/app/lioncheck/id1527696266)

**Features:** macOS Compatibility

**In-app purchases:** none


### LYNK Pro

[App page](https://appshunter.io/ios/app/lynk-pro/id6456609506)

Control smart aquarium lighting with preset programs and advanced features like sunrise/sunset and weather simulations. It's designed for specific Giesemann devices and will expand to support more smart aquarium products.

**Highlights:** User-friendly interface, Preset lighting programs, Sunrise/sunset simulation, Lunar cycle simulation, Weather simulation, Acclimation program (in preparation)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LionCheck free?

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

### Is LYNK Pro free?

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

### Do LionCheck or LYNK Pro have ads?

Neither LionCheck nor LYNK Pro shows ads.

### Which is updated more often, LionCheck or LYNK Pro?

LionCheck ships an update every 3 months, and LYNK Pro every 3 months. Most recently, LionCheck was updated on October 27, 2026 and LYNK Pro on November 3, 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.*