GiA Smart Controller vs charin(チャリーン)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GiA Smart Controller
Monitor indoor air quality in real-time and control air purification devices remotely. Detects a wide range of pollutants including PM2.5, CO2, and VOCs. Manage multiple devices from anywhere with an internet connection.
- Comprehensive air quality detection
- Real-time monitoring
- Remote control of purification devices
- Multi-machine management
- Detects PM2.5, CO2, VOCs, and more
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Maintaining good indoor air quality is crucial for human health. GiA has a comprehensive air quality sensors built in, which can detect indoor air pollutants listed by the World Health Organization, such as PM2.5, PM10, carbon dioxide, Carbon monoxide, TVOC, formaldehyde, ozone, temperature, humidity and fungi. With a simple-to-use touch interface, GiA allows you to monitor the air quality in your home or office in real time, and controls the air purification devices at the same time from any place where you can access the Internet. Features and functions Detection items PM2.5, PM10, carbon dioxide, carbon monoxide, TVOC, formaldehyde, ozone, temperature, humidity and fungi. Cloud services remote monitoring of home air quality and operation of purification devices. Machine management Manage multiple machines at the same time, allowing you to view the overall values and information of each machine at one time. GiA.AP.Service@gmail.com
charin(チャリーン)
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チャリーンはコメントが寄付に変わるアプリです。寄付先候補のプレゼン動画を見て、応援したい団体にコメント、 プロジェクトのオーナーがあなたに代わってコメントを寄付に変えて送ります。
Screenshots
Verdict
The clearest difference is update cadence: GiA Smart Controller at every 2 months against charin(チャリーン)'s every 5 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.
GiA Smart Controller ships an update every 2 months, charin(チャリーン) every 5 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.
| Parameter | GiA Smart Controller | charin(チャリーン) |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 72 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | 欣寶智慧環境股份有限公司 | ICHI Commons Co., Ltd. |
In-app purchases
GiA Smart Controller
No in-app purchases
charin(チャリーン)
No in-app purchases
Questions
Is GiA Smart Controller free?
Is charin(チャリーン) free?
Do GiA Smart Controller or charin(チャリーン) have ads?
Which is updated more often, GiA Smart Controller or charin(チャリーン)?
Other comparisons
