TRee vs IRIS SmartST
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TRee
Control your smart lighting system with ease. Adjust brightness, color, and set schedules for automated lighting. This app requires compatible smart adapters or bridges and a Wi-Fi router.
- Adjust lighting brightness
- Control lighting color
- One-tap scene recall
- Automated scheduling
- Intuitive ON/OFF control
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スマートアダプタ、スマートブリッジに接続された、照明器具の点灯や明るさの調整ができます。 スマートアダプタ又はスマートブリッジと、メモリーライトコントローラ、スマートスイッチ等の弊社TRee対応製品を別途ご用意いただき市販のWi-Fiルーターと接続してご使用ください。 アプリをインストールしたiPhoneまたはiPadで、直感的に照明のON/OFF、調光、調色が行え、あらかじめ登録したシーンは1タップで呼び出す事ができまます。 また、スケジュールを設定することで、任意の時間・曜日に照明を自動でコントロールすることができます。 本アプリはiOSの「ローカルネットワーク上のデバイス検索および接続を求めています。」というポップアップに対して必ず「OK」をしないとご使用出来ません。
IRIS SmartST
This app helps you set up your smart speaker by registering your home WiFi information and choosing a voice command name. It facilitates the initial configuration for seamless integration with your smart home devices.
- Smart speaker initial setup
- WiFi information registration
- Voice command name setup
- Device integration
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スマートスピーカーと連携する為の初期設定を行います。 ・ご家庭のWiFi情報の登録 ・音声呼び出しに使う名前の登録
Screenshots
Verdict
The clearest difference is update cadence: IRIS SmartST at monthly against TRee's every 2 months. TRee's advantage is iOS requirement (10.0 vs 13.2). On price, review sentiment, ads and in-app purchases 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.
TRee ships an update every 2 months, IRIS SmartST monthly. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.
| Parameter | TRee | IRIS SmartST |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 5.0% of reviews — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 13.2 |
| Further details — not scored | ||
| Size | 19 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | KOIZUMI Lighting Technology Corp. | IRIS OHYAMA INC. |
Customer experience
TRee
IRIS SmartST
In-app purchases
TRee
No in-app purchases
IRIS SmartST
No in-app purchases
