Choosing an Android VPN takes more than checking whether the connection button turns green. Background operation affects connectivity when the screen is locked, battery settings affect background activity, and per-app proxying determines which apps use international routes. Start by confirming that the client supports your subscription format, then test these features on your own device. That is more useful than relying on speed-test screenshots alone.
This comparison uses reproducible steps and a record sheet; it does not rank products based on unmeasured results. Different Android systems, client versions, and local networks can change the outcome. The comparisons below define test criteria and do not claim that every device will produce the same results.
Android VPN picks: distinguish the client from the route
The client imports configuration, establishes the connection, handles traffic, and applies routing rules; the subscription service provides routes and related configuration. If the connection disappears after the screen locks, the system may have stopped the client, or the client may have failed to reconnect after a network change. That does not automatically point to route quality. Conversely, a background process still running does not guarantee that the exit route can reach the target website.
Android clients often use the system VPN service interface to handle traffic. System authorization allows an app to create a virtual network interface; it does not prove that every app is being proxied. The actual scope also depends on the client mode, app lists, routing, and DNS settings. An app with VPN in its name is not necessarily able to use any VPN configuration in Android system settings.
When choosing a client, start with the service's download instructions and supported configuration formats. Shadowsocks, VMess, Trojan, VLESS, and other configurations require support from the corresponding core; they cannot be mixed just because they are all called subscriptions. Some clients support subscription conversion, but conversion may drop rules or parameters. Prefer an import method explicitly supported by the service.
How to set background stability and battery options
Android may restrict background activity based on standby state, battery policies, and manufacturer controls. Menu labels vary by brand and may include battery optimization, background activity, autostart, or app launch management. These are not interchangeable features, and there is no fixed set of switches that works for every device. Keep the default settings first, reproduce the issue, and then adjust the client-specific options.
- Establish a normal connection baseline. Open the target website with the client in the foreground and confirm that the configuration works. Note the current network, route, proxy mode, and client version so an import error is not mistaken for a background issue.
- Check the state after locking the screen. Lock the screen and wait as you normally would, then wake the device and reload the target page. Note whether the client needs to be restarted, whether the connection recovers automatically, and whether its notification is still present.
- Review system background limits. If the issue occurs only after the screen locks, find the client's battery and background settings and allow background activity if needed. On systems with separate autostart controls, check the related permissions too.
- Retest without changing other conditions. Change only the restriction you suspect and repeat the same steps. If the connection still drops, check logs and network changes instead of disabling background limits for every app at once.
Some clients use a foreground service and persistent notification to maintain a connection. Hiding the notification does not safely stop the service, and seeing a notification does not prove the connection is working. A lock option in the recent-apps screen is manufacturer-specific and may help, but it does not replace background permissions or guarantee that the process will never be cleared.
How per-app proxying differs from routing rules
Per-app proxying decides whether to handle traffic based on app identity; domain or address rules decide how to route traffic based on its destination. They are not alternatives. A client may first decide whether an app enters the tunnel and then apply rules to requests inside it. Check the client documentation for the exact order rather than assuming all products behave alike.
If only a few apps need international routes, first test “proxy selected apps only.” If most apps need a connection while some local apps should connect directly, consider an exclusion list. “Bypass selected apps” means the opposite, so confirm whether the list includes or excludes apps before saving.
| Mode | Use case | What to test | Common pitfall |
|---|---|---|---|
| Proxy selected apps only | Only certain apps need international routes | Target apps can connect and unselected apps keep their expected route | Missing traffic from apps that open an external browser or use helper components |
| Exclude selected apps | Most apps need the connection, while local apps connect directly | Excluded apps work and newly installed apps behave as expected by default | Mistaking the exclusion list for the proxy list |
| Rule mode | One app accesses services in different regions | Domain matching, default exit route, and DNS path | Assuming all mainland destinations will connect directly |
| Global proxy mode | Briefly check whether rules are causing access differences | Whether target requests use the selected exit route | Assuming it covers traffic excluded by the system or app list |
After changing the app list, rebuild the connection as directed by the client, then close and reopen the target app. Existing connections and cached data can make a change appear ineffective. If you use a work profile or app clone, check whether the client recognizes that instance; checking only the same-named app in your personal profile is not enough.
Testing comparison: record connections, battery use, and network changes separately
When comparing clients or configurations, keep the device, task, local network, and route consistent, and test in similar conditions where possible. First test foreground access, then lock-screen recovery, and finally switching between Wi-Fi and mobile data. Change only the item being compared in each round; otherwise, you cannot tell whether the change came from the client, rules, or route.
Battery use cannot be judged by the charge difference after a single test. Screen brightness, video playback, wireless signal, and other background apps all affect the result. Consider background activity on the system battery page, client logs, and real-world use together. If the device keeps heating while connected without significant data transfer, check for repeated reconnections, frequent probes, or background requests from other apps.
- ✅ Foreground baseline: the target content opens and commonly used local apps work normally.
- ✅ Lock-screen recovery: record whether you need to reconnect manually after waking the device and whether logs show a service restart.
- ✅ Network changes: record whether access recovers after switching networks; do not treat an interrupted existing connection as a failure by itself.
- ✅ Per-app checks: test apps both on and off the list instead of relying only on the exit address shown in a browser.
- ✅ Battery assessment: keep the task comparable and consult system statistics rather than drawing conclusions from one charge change.
Switching networks changes connection conditions, and existing sessions may be interrupted. A client reconnecting to a route does not mean a download, call, or web session will continue uninterrupted. Test records should distinguish “service stopped,” “reconnecting,” and “connected but target unreachable,” since each points to a different troubleshooting path.
DNS and route issues: don't mask them with global mode
DNS resolves domain names to addresses. A page may fail to open because resolution failed or because the target exit route is unavailable. Split-tunneling clients may also use different DNS paths based on their rules. Android Private DNS, secure DNS in a browser, and the client's DNS settings can interact, so check the configuration in use.
Assess a DNS leak against the expected path: a query that should use a specified resolver instead went to an unintended resolver. Seeing a local resolver does not necessarily mean the configuration is wrong, because some rules intentionally send local destinations directly. Conversely, a change in the browser's exit route does not prove that every app follows the same DNS rules.
IEPL, relay, and direct connections describe different route arrangements, not Android background permissions. A direct connection generally avoids an entry relay operated by the service, while a relay forwards traffic through an entry point. IEPL involves a dedicated route segment. The label alone cannot guarantee that every segment between the device and target website is congestion-free. Do not keep switching route types to fix a process being cleared.
When troubleshooting DNS, record the original settings first, then make changes one at a time according to the client instructions. Do not leave necessary security settings disabled, and do not publicly share logs containing subscription credentials, full request details, or account identifiers.
Importing a subscription and Android recommendations
Get the client from a trusted source and confirm that it supports the service's subscription format before copying the subscription URL into the appropriate import field. Subscription links usually contain access credentials; do not paste them into unfamiliar conversion websites or public chats. After importing, update the configuration, select a route, allow the system connection request, and verify access to your target. Then set the per-app scope.
A feature supported by a Windows or other platform client may not have an equivalent setting in the Android version. Check whether the current Android version supports app lists, rule updates, connection logs, and background operation; do not compare desktop screenshots alone. VPNOB users can find client information in the panel download section and check configuration steps in the setup guide.
Android recommendation: New users should start with a client explicitly supported by the service, with a clear import process and visible connection status. If only certain apps need international services, test per-app proxying first. For lock-screen disconnects, check system background limits; for issues affecting only some destinations, check rules and DNS. If foreground access also fails, review the configuration and route.
To evaluate VPNOB, first check the plans page for billing details. Monthly subscription data resets each month on the activation date; data packages remain available until used and never expire. The right option depends on how often you use it, not on a single speed test. If you cannot identify an issue, use the contact page to describe your device environment, what triggers the issue, and what you have tried. Hide subscription credentials before submitting screenshots.