Hoiio in short:
Hoiio is a smarter approach towards mobile call and SMS technology. As one of the best mobile callback providers, the great thing about Hoiio is that it does not change the way calls are made – directly from phone book, call register or phone keypad dialling. Hoiio automatically switches outgoing calls to free incoming ones saving mobile air time charges and more importantly, cheaper overseas calls, right from the mobile phone.
Why Hoiio is arguably one of the best mobile callback Services:
- Hoiio gives you premium call quality
- Hoiio does not change the way you call (no more access number, PIN or prefix to remember)
- Hoiio saves you money for local and international calls on your mobile phone
What users need to do is to follow these two simple steps:
- Sign up online
- Install Hoiio Mobile app
Signing up for Hoiio is free and simple
(3 steps in 2 minutes)
- Step 1: Select username and password
- Step 2: Login with username and password
- Step 3: Verify mobile number
Follow this link to sign up.
Choose one of the two methods below To Install Hoiio Mobile App:
Method 1: From mobile phone
- From your mobile phone, access http://m.hoiio.com using GPRS, 3G or WiFi connection
- Follow the on-screen instructions to download and install
- Login to Hoiio Mobile App with your username and password
Method 2: From the web
- Login to www.hoiio.com
- Click "Download" link on the right panel
- Click "Yes, send to my mobile now" button
- You will receive an SMS containing a link. Open the link and download the mobile app

Enjoy Your Calling with Hoiio
After successful installation, login to the mobile app with your user name and password. To call:
- Select a contact from your phonebook or key in the number
- Press call and select "Use Hoiio" to automatically convert the call to callback
- Hoiio will call you, pick up the call and wait till the call is connected





