JayKay vs TRMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JayKay
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.
- Bluetooth connectivity
- Wireless control of aquarium lights
- Brightness adjustment
- Fan control
- Spectrum mode settings
- Timed on/off cycles
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Jaykay涵杰 APP专为水族鱼缸灯设计的智能管理控制系统，是一款采用蓝牙链接，用于水族灯具设备进行无线控制的应用软件，可实现对鱼缸灯水草灯进行无线链接和多种功能的设置调节。 包括对水族灯的开关亮度控制、风扇控制、水族灯光谱模式以及循环定时开关功能等。
TRMS
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1、用于租车公司的管理系统：可管理公司、员工、车辆、客户等 2、可记录并查看车辆、客户相关出租信息、租金支付记录 3、可实时查看车辆定位信息、通过gps定位设备管控车辆 4、可查看车辆、客户、财务统计信息
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | JayKay | TRMS |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 37 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | 周 段 | 上海嘀友网络科技有限公司 |
In-app purchases
JayKay
No in-app purchases
TRMS
No in-app purchases
