Daikin Service Diagnosis Tool vs airCloud Alarm Code
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Daikin Service Diagnosis Tool
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Daikin Service Diagnosis Tool app can provide multiple service tool functions for your daily service diagnosis job. With "Service Diagnosis Tool" connection device (SDT-02), you can carry out below checks by this app. - Type3 checker - Transmission monitor - Inverter analyzer - Actuator checker - RAM monitor (basic operation data display) To use this app, you need below devices to connect with Daikin's AC products. - Service Diagnosis Tool (SDT-02) - Wireless Adapter (BTSC/i2S)
airCloud Alarm Code
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Designed for HVAC technicians and service professionals, airCloud Alarm Code gives you access to the list of error codes for Hitachi air conditioning products, simplifying troubleshooting. How does it work? - Choose the faulty AC unit using the product code - Select on your smartphone the alarm code displayed on the Hitachi air conditioning unit - Access the official documentation for this specific alarm code Now it's your turn! Quickly find the right code to make the correct diagnosis.
Screenshots
Verdict
The clearest difference is update cadence: Daikin Service Diagnosis Tool at every 6 months against airCloud Alarm Code's every 27 months. Daikin Service Diagnosis Tool also leads on iOS requirement (9.0 vs 13.0). 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.
Daikin Service Diagnosis Tool ships an update every 6 months, airCloud Alarm Code every 27 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Daikin Service Diagnosis Tool | airCloud Alarm Code |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months — better | Every 27 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 166 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | DAIKIN INDUSTRIES.LTD | Bosch Thermotechnik GmbH |
In-app purchases
Daikin Service Diagnosis Tool
No in-app purchases
airCloud Alarm Code
No in-app purchases
Questions
Is Daikin Service Diagnosis Tool free?
Is airCloud Alarm Code free?
Do Daikin Service Diagnosis Tool or airCloud Alarm Code have ads?
Which is updated more often, Daikin Service Diagnosis Tool or airCloud Alarm Code?
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