Altro Smart Lock

How is Altro Smart Lock different from other smart locks?

How reliable is Altro?

Altro is powered with 2 Rechargeable cells. Both supply energy to Primary & Secondary respectively. The cell status is monitored based on the usage and app notifications are sent to let you know when you need to recharge.

How does the Altro Smart Lock work?

Altro Smart Lock makes your Smartphone your Smart Key and more. No need to carry around a bunch of keys anymore.

Communicating with your phone via Bluetooth, Altro detects your presence and automatically unlocks the door for you. Altro’s built in Wi-Fi capability allows it to operate remotely via internet.

What do I do if my phone runs out of battery?

You can log into your web dashboard to unlock the door at any time or you can install Altro app on any other phone and login to get access to your door. Remember to use the app in auto log off mode when using someone else’s phone.

How much does it cost?

Retail price of Altro Smart Lock is $230. However, by participating in the Altro’s crowdfunding campaign, you can take advantage of our special offers with up to 40% discount.

Is there a Monthly fee?

No, there is no monthly charge to use Altro’s online services.

Where do I get batteries?

Altro comes equipped with a set of rechargeable batteries. For Altro’s lifetime you don’t need to purchase another set of batteries. If you need an extra battery for safekeeping, you can directly order from us.

How often do I need to recharge the batteries?

Altro runs for 10 months on a single charge, when tested with average 2 operations every one hour. An app notification is triggered when the battery level drops to 20% and blinking LED ring prompts you when operated.

Altro automatically switches to OPEN ONLY mode when battery level goes below 5% and powers itself using the secondary cell. After monitoring your usage habit for a month, Altro provides you with an improved estimate of number of days the battery will last.

What is Altro’s OPEN ONLY mode?

Altro automatically switches to secondary battery when primary battery voltage falls below 5%. In this condition only unlock operation can be performed using app. This is to ensure you recharge primary battery and make sure you are not locked out of your home if both batteries die out. You can always use mechanical knob to lock Altro from inside.

What if my mains power is disconnected?

Altro Smart Lock is battery powered so you don’t need mains power for it to work.

Can I open the door manually?

The door can be opened manually by turning the Knob or by pressing the button from the inside.

Will Altro work with other Smart Home Devices?

Yes, we are continuously working on expanding our network of custom integration through Altro’s open APIs. Experienced developers can also use these APIs to integrate with their smart devices.

Does Altro lock my door automatically when I leave my home?

Altro comes with the Auto Lock feature that automatically detects door status and locks it. You can enable or disable this feature from Altro app and also set the custom Auto Lock timings. Alternatively you can press the button present on Altro.

How does Auto Unlock work?

Using directional Bluetooth Low Energy antennas Altro detects your presence and exact position. After detecting, it authenticates your phone and unlocks automatically. Alternatively you can knock the door to open it.

Note: For added security, this feature will NOT work if you are present inside the door.

What is the wireless range?

Altro uses directional Antennas for Bluetooth Low Energy to detect if you are present outside or inside the home. It has a range of 10 ft(about 3m) on the outside of your home. Wi-Fi has a range of about 50 ft(about 100m) in all directions. However, depending on walls and other disruptive factors range could vary slightly.

How fast does Altro locks and unlocks the door?

Altro can lock and unlock a door in under one second. But actual time depends on which mode the lock is operating on and your internet connection. In mode 1, the most common mode, it takes just 1 second to unlock. If Altro needs to communicate with Altro server to open the door if can take up-to 5 seconds.

Can I control Altro without my smartphone?

You can control Altro from inside the house without your smartphone. You can use the Knob or button for locking and unlocking Altro from inside. We are working on a programmable Key Fob that can be used to lock and unlock Altro without a smartphone.

Can I still use Altro when power or internet is not present?

Altro runs on batteries and thus will continue working during a power outage. However, without Wi-Fi remote lock and unlock features will not work. You can lock/unlock Altro using local Bluetooth connection and using physical knob or button.

How do I recognize I need to recharge Altro batteries?

Altro continuously monitors its primary and backup battery and sends notifications to the App at power level of 10%. After monitoring your usage habit for about a month of Altro will provide you with good estimate of days batteries will last, which depends on how frequently Altro Is operated.

Security and Safety

Is Altro Smart Lock secure?

Altro uses 2 layers of encryption to provide you with maximum security. First layer of security is the default security layer provided by Bluetooth Low Energy and TLS1.2. Second security layer in implemented using Xsalsa20 encryption for communication of commands and status information.

What if my phone is stolen?

No need to worry, you can mark the phone as Stolen on Web Dashboard and all the shared access keys will be automatically revoked from stolen phone the moment its online. You can use the same dashboard to grant temporary access to another phone to let you in. And fresh keys will be automatically generated and synced again.

Note: If your phone is not connected to the internet, Altro app will prompt for a 6 digit pin to open the door in offline mode thus eliminating the use of Bluetooth for unauthorized access.

Is Auto Unlock feature safe?

Auto Unlock feature will only work if you are present outside your home. Altro uses directional antennas for Bluetooth proximity sensing which allows it to identify your presence as Inside or Outside and prevents false Auto-unlock operation.

A copy of my digital keys are stored on Altro’s server. Is it secure?

All the traffic in and out to our servers uses Dual Layer encryption. Sensitive data keys and logs are encrypted for storage and transmission. Firewall monitors secure servers against un-authorized requests. All this information is stored in similar secure manner as your credit card details are stored online.

How can I exit my home in case of emergency?

If you have to unlock your door in case of emergency, you can open your door quickly without your smartphone. Simply press the button or rotate the knob.


What kind of doors will Altro work with?

Altro fits on any door (Single Door Type) using the included self-tapping screws.

Is Altro installed on the outside of my door?

No, Altro is safely installed on the inside of your door. And no part of it is accessible from outside.

Do I need a contractor to install Altro?

No, Altro uses 8 self-tapping screws that only require a Philips screwdriver. That's it, you're good to go in minutes! A power drill can come handy and reduce the effort to install Altro. We will supply alignment templates to properly align Altro on your door.

Where do I get batteries?

Altro uses rechargeable batteries, so for lifetime you don’t need to purchase another battery set. If you need extra cells. You can order batteries directly from us.

Do I need to calibrate Altro?

No. Altro is not an add-on to your existing deadbolt and thus is no calibration is required. Altro automatically detects its orientation and Door status using its inertial unit.

Is Altro certified for my country?

Altro can be used internationally. It uses only FCC, IC and CE and certified Bluetooth and Wi-Fi modules.

Does the cost of the perk cover shipping and taxes?

No, the perk cost only covers the cost of the item itself and not shipping charges. International shipping is complex and depends upon a lot of factors. After the campaign is completed you will receive personal login credentials to to pay for your shipping and finalize your color choice and style.

Approximate shipping cost will be $25 anywhere in Europe, Canada, Australia and the USA. Shipping cost for other countries will vary depending on your location.

Altro Smart App

Does Altro Smart Lock have mobile app?

Currently we have a beta version of Android app and we will be releasing both iOS and Android app at Launch. More platforms will eventually be supported, but in the meantime you can also use the web dashboard from your phone or any desktop.

What requirements does my smartphone have to meet to successfully run the Altro app?

Your smartphone should meet the following requirements:
- Bluetooth 4.0 or higher
- Operating System: Android 4.4 or higher or iOS 8 or higher (iPhone 4S or newer)

How can I grant Access to others?

You can create Owner and Guest Keys with different type of accessibility from your Altro App. Access type can be of Permanent, Timed or Recurring nature.

How many e-keys can I make for others?

You can issue unlimited keys to other users via App.

How can I access my home if my smartphone runs out of power?

There are several possibilities to enter your home without a smartphone:

  • You can login from any other smartphone or Web dashboard and unlock your door.
  • You can ask another authorized person (friends/family) to open the door for you.
  • You can use a Key Fob if available.

How will Altro pair with my smartphone?

Install Altro app on your smartphone and start Add New Altro wizard. Bring your smartphone in close proximity to Altro and hit setup button. Paring will start automatically.

How do I update software on my Altro?

Altro uses FOTA updates to always keep Altro’s Firmware and Apps updated to latest security patches and product features. These updates are pushed from your smartphone to Altro through a secure channel and takes just few minutes to complete depending upon type of update being installed.

What are supported android devices?

Altro is compatible with Android devices that have Bluetooth 4.0 hardware and that are running Android 4.3 or later. 

Below is a list of devices that support these specs:
Note: Rooted devices and beta operating systems may create some security issues with the stored keys on your smartphone.

  • Archos
    • 45 Helium
    • 50 Helium
  • Asus
    • PadFone 2
    • PadFone A80
    • PadFone Infinity
    • PadFone Mini
    • ZenFone 4
    • ZenFone 5
    • ZenFone 6
  • Google
    • Nexus 4
    • Nexus 5
    • Nexus 6
    • Nexus 7 (2013)
    • Nexus 10
  • HTC
    • Butterfly
    • Desire 601
    • Desire HD
    • Droid DNA
    • Fireball
    • Jewel
    • One
    • One Developer Edition
    • One Dual Sim
    • One Max
    • One Mini
    • One Google Play Edition
    • One X
    • One X+
    • Totem C2
    • Valente
  • Huawei
    • Ascend P6
  • LG
    • Optimus G
    • Optimus G Pro
    • Optimus L7 2 Dual
    • Optimus G2
  • Motorola
    • Atrix HD
    • Droid Mini
    • Droid Razr HD
    • Droid Razr HD Developer Edition
    • Droid Razr M
    • Droid Razr M Developer Edition
    • Droid Razr Maxx
    • Droid Ultra
    • Electrify M
    • Moto G 2013 Edition
    • Moto X 2013 Edition
    • Moto X 2013 Developer Edition
  • OnePlus
    • One
  • Samsung
    • Galaxy Mega
    • Galaxy Note 10.1
    • Galaxy Note 10.1 2014 Edition
    • Galaxy Note II
    • Galaxy Note 3
    • Galaxy Note 4
    • Galaxy S III
    • Galaxy S III Mini
    • Galaxy S5
    • Galaxy S4
    • Galaxy S4 Active
    • Galaxy S4 Google Play Edition
    • Galaxy S4 Mini
    • Galaxy S4 Zoom
    • Galaxy Tab 3 (Bluetooth must be 4.0 or higher)
  • Sony
    • Xperia Tablet Z
    • Xperia Z
    • Xperia Z1
    • Xperia ZL
    • Xperia Z Ultra
    • Xperia ZR
    • Xperia SP

What are supported iOS devices?

Altro is compatible with iOS devices that have Bluetooth 4.0 hardware and that are running at least iOS 8.x or newer. Below is a list of devices that support these specs.

Note: Jailbroken and beta operating systems may create some security issues with the stored keys on your smartphone.

  • iPad 3
  • iPad 4
  • iPad Air
  • iPad mini
  • iPhone 4S
  • iPhone 5
  • iPhone 5C
  • iPhone 5S
  • iPhone 6
  • iPhone 6 Plus
  • iPhone 6S
  • iPhone 6S Plus
  • iPod Touch, 5th generation (latest)