TreeTalk Node
Tutorials & Quick Start for Android

The simplest option is to install TreeTalk Node from Google Play. Google Play handles installation and can deliver future updates according to your Play Store settings.

You can also download the current APK from the official TreeTalk Node Android download page. Android may ask you to allow installation from the browser or file manager used to open the APK. Keep Google Play Protect or equivalent device security checks enabled and install only the official, unmodified package.

During first-time setup, choose a nickname and download folder, then allow the file, media, notification or microphone permissions needed for the features you plan to use.

1. Open TreeTalk Node on the Android phone and Windows PC.
2. Connect both devices to the same reachable Wi-Fi, LAN, private VPN or phone hotspot.
3. In Android Gallery or a file manager, select a file. If multi-file sending is available in your edition or Free evaluation allowance, you can select several files.
4. Tap Share, choose TreeTalk Node, and select the Windows peer.
5. Follow progress in the Android Transfers tab and in the Windows File Journal.

The file travels directly across the reachable local network instead of being uploaded to TreeTalk cloud storage first.

Yes. Two Android devices running TreeTalk Node can discover each other on the same reachable local network and exchange files directly. From Gallery or a file manager, choose Share → TreeTalk Node, then select one peer or the available group option.

Free and Pro differ in the sending workflow. TreeTalk Node Free permanently supports ordinary single-file sending with a 100 MB individual-file limit. It also provides an evaluation allowance for sending up to 30 individual files through the multi-file workflow. After that allowance is used, multi-file sending is disabled but normal single-file sending continues. TreeTalk Node Pro supports multi-file / multi-select sending and files up to 55 GB, subject to device, operating-system, storage and network conditions.

Check the following:

• All devices are connected to the same reachable Wi-Fi, LAN, VPN or phone hotspot.
• The network does not use guest Wi-Fi or client isolation that blocks device-to-device traffic.
• TreeTalk Node is open on every device and has the required Android permissions.
• Windows Firewall or third-party antivirus allows TreeTalk Node on private networks.
• The VPN permits local peer traffic and discovery between the devices.

After checking the network, close and reopen TreeTalk Node on both devices to refresh local peer discovery.

Received files appear in the Transfers history and sender peer's panel, and are saved in the download location configured in TreeTalk Node settings. The exact Android folder can vary by device model and operating-system version.

Open the Settings tab to review or change the download location. Use the Transfers tab to identify the sender, filename and transfer status.

Yes. On a reachable local network, TreeTalk Node supports private text conversations, group communication, received image previews and PTT-style recorded voice messages. Normal local communication can continue over Wi-Fi, LAN, VPN or a phone hotspot without active internet access.

TreeTalk Node Pro provides unlimited outgoing voice messages. TreeTalk Node Free lets you evaluate outgoing voice messaging with an allowance of up to 30 messages; after that allowance is exhausted, ordinary text messaging and the other permanent Free functions continue, while additional outgoing voice-message sending is disabled.

The Transfers tab shows whether a file is waiting, sending, receiving or complete, together with a progress indicator. Keep both devices connected to the local network until the transfer finishes.

The Send Speed setting controls how aggressively TreeTalk Node sends data. A higher setting may suit a stable LAN or strong Wi-Fi connection. Reduce it when using a crowded wireless network, an older device or a temporary phone hotspot if transfers become unreliable.

Google Play is the recommended option for most users because installation is straightforward, you do not need to enable installation from an external source, and app updates can be delivered automatically according to your Play Store settings. The app also passes through Google Play distribution and Play Protect checks.

The main considerations are that Google Play must be available on the device, the device must be compatible with the published app, and downloading or updating normally requires internet access and a Google Play account. Store rollout timing and automatic-update behaviour are controlled partly by Google Play and your device settings.

The official APK can be useful when Google Play is unavailable on a compatible device, when an administrator prefers direct package deployment, or when you want to download the installer from TreeTalk and keep a copy for later installation. Always use the APK link on the official TreeTalk Node Android download page and check the listed device and architecture requirements.

Unlike the Google Play installation, the APK route may require you to temporarily authorise installation from the browser or file manager that opens the package. You are also responsible for checking the TreeTalk download page and installing future APK updates manually. Disable unnecessary sideloading permission afterwards and do not install copies received from third parties.

Both Android editions use the same TreeTalk Node communication protocol and can communicate with compatible Android and Windows peers. The difference is mainly in the limits applied to heavier workflows.

• TreeTalk Node Free: permanent free use, ordinary text messaging, single-file sending up to 100 MB, rolling history limits, plus evaluation allowances for selected multi-file and outgoing voice functions.
• TreeTalk Node Pro: separate paid Google Play app, files up to 55 GB subject to device and network conditions, multi-file / multi-select sending, unlimited outgoing voice messages, and deeper chat and transfer histories.

TreeTalk Node Pro is a one-time Google Play purchase, not a recurring software subscription. Installing Pro does not unlock or replace the Free app; they are separate Android packages and can be installed side by side.

See the Android download and Free-vs-Pro comparison page for the current limits and Google Play links.

This normally means that the Free-edition evaluation allowance for that feature has been used.

TreeTalk Node Free currently lets each installation evaluate selected Pro functions with up to 30 outgoing voice messages and up to 30 individual files sent through the multi-file workflow. Each allowance ends when its quantity is exhausted.

The Free app itself does not expire. Ordinary text messaging and ordinary single-file sending remain available under the permanent Free limits, including the current 100 MB maximum individual file size. Previously received messages and files are not intentionally removed when an evaluation allowance ends.

If you need regular multi-file sending or unlimited outgoing voice messages, install the separate TreeTalk Node Pro app on Google Play.

TreeTalk Node relies on active local-network communication for peer discovery, file transfers, text and voice messaging. Android and some device manufacturers apply battery and memory-management rules when an app moves to the background, the screen is off, or the device has been idle.

On aggressively managed devices, the operating system may suspend background network activity, freeze the app process, or unload it from memory. A typical symptom is that peers disappear, transfers or messages stop arriving, or the app looks stale or temporarily unresponsive when you return to it.

First reopen TreeTalk Node and confirm that the device is still connected to the same reachable Wi-Fi, LAN, VPN or hotspot. If the problem repeats, exclude TreeTalk Node from battery optimisation / sleeping-app controls where your Android vendor provides those settings.

For real-time file transfers, text and voice messaging over a local network, TreeTalk Node relies on persistent UDP sockets. Samsung One UI can apply aggressive background power and memory management, which may suspend network activity or unload an app after it loses screen focus or remains idle.

1. Set Battery usage to Unrestricted

This prevents normal app-specific battery optimisation from throttling TreeTalk Node background activity.

1. Open Settings → Apps.
2. Select TreeTalk Node (or TreeTalk Node Pro, if that is the edition you use).
3. Tap Battery.
4. Select Unrestricted.

2. Add TreeTalk Node to Never auto-sleeping apps

This excludes the app from Samsung's normal background sleeping list.

1. Open Settings → Device Care or Battery.
2. Open Background usage limits.
3. Select Never auto-sleeping apps (the wording may vary slightly by One UI version).
4. Tap the + button and add TreeTalk Node or TreeTalk Node Pro.

3. Keep the app open from the Recent Apps screen

On Samsung versions that provide this option, keeping the app open reduces the chance that it will be removed from memory under normal background pressure.

1. Open the Recent Apps screen.
2. Tap the TreeTalk Node icon above its preview card.
3. Select Keep open. A lock indicator may appear on the app card.

4. Disable automatic pausing for an unused app

1. Open Settings → Apps → TreeTalk Node.
2. If your Samsung / Android version shows Pause app activity if unused, turn it off.

After changing these settings, reopen TreeTalk Node and verify that the device remains visible from another TreeTalk Node peer after the screen is turned off and after switching to another app. Samsung menu names can change between One UI releases, so use the closest equivalent setting if the wording on your device differs.