GSM Modem (SMS)

8.7

Sindhi Developers

3.46

232 reviews

50,000+
Downloads

Free

GSM Modem APIs for free sending SMS or receiving SMS in any project or language.

GSM Modem (SMS) offers free SMS sending and receiving APIs you can integrate into any project. It exposes HTTP/JSON endpoints that work across multiple languages, making it suitable for student projects and lightweight apps. Regular updates enhance usability and stability while keeping the solution current.

Pros & Cons

Free SMS sending and receiving APIs
JSON/HTTP endpoints for quick integration
Supports multiple programming languages
Regular maintenance with UI updates and bug fixes

Not ranked in any top lists
Moderate overall rating (230 ratings)
Last 30 days show modest growth (~132 downloads)

Alternative downloads for the GSM Modem (SMS) app

About GSM Modem (SMS)

GSM Modem (SMS) is a tools app developed by Sindhi Developers.

Download Statistics

GSM Modem (SMS) has been downloaded 51 thousand times. In the last 30 days, the app was downloaded 110 times.

User Ratings

GSM Modem (SMS) is rated 3.46 out of 5 stars. The rating is based on 230 ratings.

App Information

GSM Modem (SMS) is FREE to download. The APK download size is 10.25 MB. The latest version available is 8.7. The last update was on April 8, 2026.

Technical Requirements

GSM Modem (SMS) requires Android 4.1+ or higher. The app has a content rating of Everyone. The app has been available on Google Play August 2018.

Description

GSM Modem (SMS) android app designed for students who are working on projects and want free SMS sending and free SMS receiving functionality in their projects.

More data about GSM Modem (SMS)

Price	Free to download
Total downloads	51 thousand
Recent downloads	110
Rating	3.46 based on 230 ratings
Ranking	Not ranked
Version	8.7
APK size	10.3 MB
Number of libraries	25
Designed for Android	4.1+
Suitable for	Everyone
Ads	Contains ads

App Performance Report

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Google Play Rating history and histogram

120

Downloads over time

GSM Modem (SMS) has been downloaded 51 thousand times. Over the past 30 days, it has been downloaded 110 times.

Changelog of GSM Modem (SMS)

Apr 30, 2026Installs50,000+ installs
Apr 8, 2026UpdateVersion 8.7
Nov 6, 2025UpdateVersion 8.6
Oct 30, 2025UpdateVersion 8.5
Jan 12, 2025UpdateVersion 8.3
Sep 8, 2023UpdateVersion 8.1
Oct 29, 2019Installs10,000+ installs
May 28, 2019Installs5,000+ installs
Feb 2, 2019UpdateVersion 7.0
Jan 10, 2019UpdateVersion 5.0
Jan 4, 2019UpdateVersion 3.0
Dec 10, 2018Installs1,000+ installs
Oct 29, 2018Installs500+ installs
Oct 18, 2018UpdateVersion 2.0
Sep 17, 2018Installs100+ installs
Sep 3, 2018Installs50+ installs
Aug 13, 2018New AppVersion 1.0 in TOOLS for Free

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Developer information for Sindhi Developers

Sindhi Developers

sadiqodho@gmail.com

Website

N/A

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Comments on GSM Modem (SMS) for Android

★★★★★ Great app. I was able to send sms to multiple numbers. But I can only send 60 characters per message. Should use GSM-7 encoding.

★★★★★ Dear sir, You did good job, Support for many people. How to get sent message by variable? So we will get sent message by variable then we will redirect this page to other page to complete process. Thanks Dear sir, Thank you for reply. The message was sent by get method url. The sms sent message result is also same url. Is it possible to provide, the scent sms message result is another url by same get method? Thanks

★★★★★ It's so good. But can you Please make it for 2 sim connection? Its only send sms from one sim. But Android have 2 sim card slot.

★★☆☆☆ It reboots my GSM tabled. Tablet has android 7. Please advise.

★★☆☆☆ I'm giving u one star because there are so many apps like this already I'll rate you 5 stars and can pay if You can build an app like this which would work from live server in Pakistan

★★☆☆☆ This app tries to get around google play security by being a front for the "real" app which it requires you to download from outside google play. Hard to trust this.

★★☆☆☆ Work only, when mobile is connected to Wi-Fi. While using mobile data it shows error, unable to connect network. Why it is not working without Wi-Fi network?

Google Play Rankings for GSM Modem (SMS)

This app is not ranked

Technologies used by GSM Modem (SMS)

GSM Modem (SMS) is requesting 14 permissions and is using 26 libraries.

Permissions

Network communication

view network connections, view Wi-Fi connections, full network access

System tools

change network connectivity, reorder running apps, prevent phone from sleeping

Extra

android.permission.ACCESS_ADSERVICES_AD_ID, android.permission.ACCESS_ADSERVICES_ATTRIBUTION, android.permission.ACCESS_ADSERVICES_TOPICS, android.permission.FOREGROUND_SERVICE, android.permission.POST_NOTIFICATIONS, com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE, com.google.android.gms.permission.AD_ID, com.gsmmodem.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Ad network libraries

AdMob

Social libraries

None found

Development tools

Android Jetpack core

Android Architecture Components

Android Jetpack VersionedParcelable Firebase Android Library Icon

Firebase

Android Jetpack Annotations Android Jetpack Widgets Android Library Icon

Android Jetpack Widgets Android Jetpack AppCompat Android Library Icon

Android Jetpack AppCompat AndroidX Activity Android Library Icon

AndroidX Activity Android Activity Saved State Android Library Icon

Android Activity Saved State AndroidX Loader Android Library Icon

AndroidX Loader

Android Transition Support Library

Android Support Library collections

Android Support VectorDrawable

AndroidX Legacy: Support Library core utils AndroidX Cursor Adapter Android Library Icon

AndroidX Cursor Adapter

AndroidX Local Broadcast Manager

Android Support Library Print

Android Support Library Document File

AndroidX Legacy: Support Library core UI Android WorkManager Android Library Icon

Android WorkManager

Android Support Library Async Layout Inflater AndroidX Widget ViewPager2 Android Library Icon

AndroidX Widget ViewPager2 AndroidX Multi-Dex Library Android Library Icon

AndroidX Multi-Dex Library Volley Android Library Icon

Volley

Trust & Safety: Permissions include networking (ACCESS_NETWORK_STATE, INTERNET), foreground service, wake lock, notifications, and ad identifiers (AD_ID). No explicit SMS-sending permissions are listed, indicating usage of remote SMS APIs rather than device SMS functionality; standard safety posture for API-based messaging apps.

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