CITIZEN Bluetooth Watch vs Amaeco FLASH
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CITIZEN Bluetooth Watch
This app connects your smartphone to compatible Bluetooth watches, offering automatic time synchronization, world time settings, and notifications for calls and messages. It also features alarm setting, a light level indicator for the watch's power, and tools to locate your smartphone or alert you if the connection is lost.
- Automatic time synchronization
- World time settings
- Call and message notifications
- Alarm setting
- Light level indicator
- Smartphone search function
- Link loss alert
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*Important Notice Thank you for using Citizen products. As of 12/31/2027, we will no longer provide service for dedicated apps for some models and functions used in conjunction with the apps. For details, see this link. https://www.citizenwatch-global.com/support/im/smartwatch.html Overview This is the official app for linking your smartphone with CITIZEN Bluetooth watches (Bluetooth® version 4.0 or later). The app, which works with iPhone, enables you to set the time and the alarm for your watch, and to receive alerts for incoming calls, mails and texts. With CITIZEN Bluetooth Watch, you get to enjoy a handsome-looking analogue watch that tells the accurate time wherever you are plus the great convenience of a smartphone link. CITIZEN Bluetooth features CITIZEN’s proprietary light-powered technology Eco-Drive. Eco-Drive eliminates the need of periodic replacement of batteries or recharge via cable. Features 1. Time Sync Get the right time, all the time. When you connect with your smartphone, the time on your watch automatically updates to the current time (home time). 2. Local Time Get the time in any city around the world. Just touch the world map inside the app to set your watch to the time there (local time). 3. Call Notification Find out when you get a call. The watch emits a sound, vibrates or rotates the hands to let you know when you get a call. A filter function enables you to specify which callers will trigger alerts. 4. Message Notification Find out when you get a mail, text or SNS notification. The watch emits a sound, vibrates or rotates the hands to let you know when a new e-mail or SNS notification has arrived. You can select the apps for which you wish to receive alerts. 5. Alarm Set your alarm from your smartphone. Set your watch alarm using the smartphone app. The alarm can be set for different times for different days of the week. 6. Light Level Indicator See how much light—and power—your dial is getting. Find out how much power your watch is generating by tracking the light it’s exposed to on a daily, weekly or monthly basis. This unique function reflects CITIZEN’s status as a pioneer of light-powered technology. 7. Smartphone Search Find your smartphone easily. Mislaid your smartphone? Not a problem. Use your watch to locate your phone by getting it to emit a sound to indicate its whereabouts. (Range limitations apply.) 8. Link Loss Alert Get alerted when you’ve forgotten your smartphone somewhere. The watch emits a sound, vibrates or rotates the hands to let you know when the link between your smartphone and your watch is broken. This app requires iOS 9.3 or later. Optimized for iPhone 5 or greater. *Even if your smatphone is under the conditions above, there is no guarantee to use the dedicated app correctly on your smartphone. About Eco-Drive: Eco-Drive is a CITIZEN proprietary light-powered technology which eliminates the need of periodic replacement of batteries. Eco-Drive generates power from any kind of light—from sunlight to dim light—to drive the watch, and stores the surplus on a rechargeable cell. On a single full charge it can run for up to six months in total darkness*. For more details, click here. http://www.citizenwatch-global.com/technologies/index.html#eco-drive * Some models run for less than six months.
Amaeco FLASH
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FLASH è l'app sviluppata da AMAECO Srl che permette di acquisire in modo semplice e organizzato le informazioni che servono per sviluppare l’offerta commerciale del sistema di monitoraggio AMAECO. AMAECO mette a disposizione dei propri partner e clienti uno strumento di supporto per la definizione dei punti di misura energetici al fine di accelerare la redazione dell’offerta commerciale. Caratteristiche: - Accesso tramite utente generato da AMAECO - Identificazione del cliente tramite Partita IVA
Screenshots
Verdict
The clearest difference is iOS requirement: Amaeco FLASH at 11.0 against CITIZEN Bluetooth Watch's 15.6. On price, update cadence, 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.
CITIZEN Bluetooth Watch ships an update every 4 months, Amaeco FLASH every 5 months. The most recent releases landed on September 20, 2026 and June 5, 2026 respectively.
| Parameter | CITIZEN Bluetooth Watch | Amaeco FLASH |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (11 ratings) — better | — |
| Positive reviews | 18.8% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | CITIZEN WATCH CO.,LTD | SISTEK INFORMATICA SAS DI PAOLO ZANI & C. |
In-app purchases
CITIZEN Bluetooth Watch
No in-app purchases
Amaeco FLASH
No in-app purchases
Questions
Is CITIZEN Bluetooth Watch free?
Is Amaeco FLASH free?
Do CITIZEN Bluetooth Watch or Amaeco FLASH have ads?
Which is updated more often, CITIZEN Bluetooth Watch or Amaeco FLASH?
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