SMARTalk -スマホの通話料をトコトン安くする-

4.44K reviews
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About this app

SMARTalk is the official IP phone (VoIP) application of the SMARTalk service that reduces the call charges of smartphones.
Calls to mobile phones, homes, and shops with 050 numbers can be reduced by up to 60%. You can make a great deal overseas calls for 8 yen / 30 seconds (tax exempt). Moreover, the initial cost and monthly basic charge are 0 yen!

(To use SMARTalk, you need to apply for the SMARTalk service.)

[Features of SMARTalk service]
◆ Monthly basic charge is 0 yen!
You can use 050 phone numbers with a monthly basic charge of 0 yen. Options such as initial cost and answering machine are also 0 yen.

◆ Call charges are low
At 8.8 yen / 30 seconds (tax included), you can save on call charges compared to the rate plans offered by mobile phone companies for smartphones.

◆ Great value both overseas and overseas
International calls to the corresponding areas are also cheap at 8 yen / 30 seconds (tax exempt). If you can connect to the Internet overseas, you can call Japan at the same rate as in Japan.

◆ Free call 100 yen will be presented at the time of application
When you apply for the service, you will receive a free call for 100 yen (tax included) with no expiration date, so you can feel free to try it.

[Features of SMARTalk]
◆ Optimal settings for SMARTalk service
SMARTalk has been set up to use the SMARTalk service. All you have to do is enter your SIP account and password to get started.

◆ Cut ambient noise
It is possible to cut the noise picked up by the microphone during a call and convey it to the other party with clear voice.

◆ Call recording is possible
You can record the contents of the call. The recorded voice can be played back within the app.

◆ Battery consumption can be reduced
Since you can receive calls with push notifications even if the app is not running, you do not need to keep the app running in the background, and it is possible to reduce battery consumption.
(* Please note that push notifications may be delayed depending on network conditions.)

[Main functions of SMARTalk]
・ IP phone with a phone number starting with 050 (outgoing / incoming)
・ Answering machine (automatically sent to the registered e-mail address)
* Recorded data files (data format) can be sent to the registered e-mail address.
・ Push notification function (no need to start in the background)
・ Call recording function
・ Mute, speaker, hold function
・ Speed ​​dial
・ Ringtone change function
・ Bluetooth headset available

・ You cannot make calls to emergency numbers such as 110 and 119, and some numbers such as 0120.
・ Please check the terms of use for using the application.
Updated on
Sep 16, 2021

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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4.44K reviews
A Google user
October 6, 2018
During the account creation, I was supposed to call a phone number with my cell phone. Three numbers that I was supposed to call always have me a busy tone (yes from my Japanese cell phone in Japan). After numerous attempts, I quit. No account creation ability, i junk the program. (Coincidentally, just after regestering my email, I got a virus email from an email address in Japan but with a name from my contact list...). Fishy app
9 people found this review helpful
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ai nishino
October 31, 2021
I can't login with my account with I used old iphone. I really liked to use their service for many years. Very disappointed.
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January 15, 2023
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