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IM2SMS

A simple app to import IM chat histories into Android’s SMS storage.
New in version 1.6
Fixed a minor issue where if the app was left as the default SMS app, there was no prompt to set the current SMS app back to default.
A simple app to import IM chat histories into Android’s SMS storage.

Features
Easy Import:
Import chats directly from an IM app's share menu or by browsing the phone's storage for exported chat files.
Chat Preview:
Preview individual chats before importing into SMS.
Material You:
The app's theme and icon automatically adapts to the phone's wallpaper and system colours.
Dark Mode:
Automatically switches between light and dark themes based on the phone's settings.

Supported Apps
Currently Supported:

WhatsApp: Use the 'Export chat' option within WhatsApp and share the exported file with IM2SMS. Or browse previously exported chats and view both individual and group chats.

Planned Support:

Facebook Messenger: Support for importing from a Facebook data takeout is planned.

Telegram: Future support is planned.

Signal: Future support is planned via backup files or secure backups.

FAQ
Will an iOS version be available?
No. Due to technical limitations, iOS does not allow third-party apps to write to the SMS database.
Why export to SMS?
SMS is a universal, device-native format. By converting chat histories to SMS, you get a durable, open-standard backup that isn't locked into a single proprietary app.
Why the name?
The name stands for Instant Messenger to SMS. It reflects the app’s broad support for multiple IM platforms beyond just WhatsApp.
Can group chats be imported?
There is basic support for importing group chats, however, there are significant limitations due to how Android and apps like Google Messages handle the legacy SMS/MMS storage. At present, there is no way for third-party apps to programmatically set a group chat name in the system's SMS database that Google Messages will recognise, so the chat name will typically appear as a list of participant numbers. Additionally, a "Mass Text" warning may show if Google Messages cannot verify that all participants are using modern RCS (Rich Communication Services). To fully continue a group chat as a single thread, all members must be using RCS. Once everyone is on RCS, the group chat should automatically "upgrade" and function as a normal group thread.
Can I use IM2SMS to back up my existing SMS messages?
No. The core purpose of IM2SMS is to import Instant Messenger chat histories into the phone's SMS storage. Creating backups of existing SMS messages is already well-supported by other dedicated apps.
Why does the app have to be set as the default SMS app?
Android only allows the current default SMS app to write to the system's message database. To import chats, IM2SMS must temporarily become the default app. After the import process completes, opening the preferred messaging app provides a prompt to restore it as the default.

Contributing
If you find this app useful, please consider donating via PayPal or Patreon. If donation is not possible, please visit our source code repository to learn how to contribute through code and testing.

Licence
This app is released under GPL Licence.

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

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  • Version 1.6 (7) suggested Added on Aug 14, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 7.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • show notifications
      Allows the app to show notifications
    • read cell broadcast messages
      Allows the app to read cell broadcast messages received by your device. Cell broadcast alerts are delivered in some locations to warn you of emergency situations. Malicious apps may interfere with the performance or operation of your device when an emergency cell broadcast is received.
    • read your contacts
      Allows the app to read data about your contacts stored on your phone. Apps will also have access to the accounts on your phone that have created contacts. This may include accounts created by apps you have installed. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • read your text messages (SMS or MMS)
      This app can read all SMS (text) messages stored on your phone.
    • receive text messages (MMS)
      Allows the app to receive and process MMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • receive text messages (SMS)
      Allows the app to receive and process SMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
    • receive text messages (WAP)
      Allows the app to receive and process WAP messages. This permission includes the ability to monitor or delete messages sent to you without showing them to you.
    • send and view SMS messages
      Allows the app to send SMS messages. This may result in unexpected charges. Malicious apps may cost you money by sending messages without your confirmation.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify your contacts
      Allows the app to modify the data about your contacts stored on your phone. This permission allows apps to delete contact data.
    • android.permission.WRITE_SMS
    • com.goldmaster.im2sms.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 15 MiB PGP Signature | Build Log