# JayKay vs TRMS

The clearest difference is update cadence: JayKay at fortnightly against TRMS's every 2 months. 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.

JayKay ships an update fortnightly, TRMS every 2 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | JayKay | TRMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/jaykay/id6443573595/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 | 37 MB | 63 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [周 段](https://appshunter.io/developer/1530345249) | [上海嘀友网络科技有限公司](https://appshunter.io/developer/1087699404) |

## What reviewers say

### JayKay

[App page](https://appshunter.io/ios/app/jaykay/id6443573595)

This app provides smart control for aquarium and plant lights via Bluetooth. It allows wireless management of lighting functions, including brightness, fan control, spectrum modes, and timed on/off cycles.

**Highlights:** Bluetooth connectivity, Wireless control of aquarium lights, Brightness adjustment, Fan control, Spectrum mode settings, Timed on/off cycles

**Features:** macOS Compatibility

**In-app purchases:** none


### TRMS

[App page](https://appshunter.io/ios/app/trms/id6446394584)

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

**In-app purchases:** none


## Frequently asked questions

### Is JayKay free?

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

### Is TRMS free?

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

### Do JayKay or TRMS have ads?

Neither JayKay nor TRMS shows ads.

### Which is updated more often, JayKay or TRMS?

JayKay ships an update fortnightly, and TRMS every 2 months. Most recently, JayKay was updated on November 5, 2026 and TRMS 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.*