No Signal Alert

No Signal Alert

100,000 - 500,000 downloads

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Featured in's "One Dozen Super-Useful Android Apps" as "Especially useful for when you’re expecting that important call that just isn’t coming (because it can’t!)..."

Ever missed an important call because your phone had no signal and you never noticed?

No Signal Alert detects when your phone is in a "dead zone" or with no reception and sends a customized notification of your choice (sound, vibrate, led color indicator, etc). No Signal Alert can keeps track of every time you loose and recover your phone signal, providing users with useful statistics such as time, location and address when signal was lost.


★ Customize your alerts completely (sound, vibrate, led,etc.)
★ Record and maintain logs of your phone signal events
★ Supports GSM/CDMA
★ Signal meter gauge

Full features:

★ View map of your known dead-zones
★ View signal statistics for your carrier
★ 1x1 Home-screen monitoring widget
★ Export logs to an Excel-supported CSV files
★ Backup and Restore your logs to your SD card

Note: Please make sure to read the "Helpful tips" when you first install the application.

We appreciate your feedback and encourage you to help us improve our products. Visit our website and don't forget to check out our other apps in the market.

Smart Android Apps, LLC

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Recently changed in this version

- Couple more big fixes :)

- Fixes some market bugs and crashes
- New option to enable or disable location recording (Pro version only)

New update packs a punch! including a complete new UI!
- New 1x1 home-screen widget (Pro version only)
- Smarter signal detection
- Complete new UI re-design
- New signal meter
- Market bug fixes

- Added widget thumbnail
- Fixed force close bugs

Comments and ratings for No Signal Alert
  • (69 stars)

    by Jon Manilenio on 08/04/2014

    keeps a good record of signal events and informs me of every instance. fully customizable and powerful, must download! Update: Doesn't work on 4.3 using Xperia zr.

  • (69 stars)

    by jamal harris on 06/04/2014


  • (69 stars)

    by Kyle Fugate on 03/04/2014


  • (69 stars)

    by Joey Pierce on 22/03/2014

    Does not work with s4 jellybeans. No feedback from developer

  • (69 stars)

    by Wian Potgieter on 14/03/2014

    It used to work great on my old SGS III with Android 4.1.2, but since upgrading to 4.2.2 it doesn't work.

  • (69 stars)

    by AbhinavKalyanReddy Piduru on 14/03/2014

    Recently phone updated from android 4.1 to 4.3. This app is not working I'd the signal. Is lost also. Iam using Xperia SP.

  • (69 stars)

    by Nathan F on 06/03/2014