Comparison

RynDevice vs BatteryCtrl for SwitchBot Plug

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

RynDevice

Features
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See your device information and check its main functions yourself. Whether you are buying or selling a used phone or investigating a change in everyday use, RynDevice helps you check one item at a time. β–  Hardware checks, from screen to sound (9) Check the display, touch, camera, speaker, microphone, vibration, flashlight, GPS and sensors. Run a full check in order or choose individual tests, then record a pass or fail. β–  Save results and compare earlier checks Add notes to your results and see which items changed between two records. Compare checks before and after a repair or after testing again, then share the comparison as text or a PDF. β–  No internet? Start with the connection Check the network connection, IP assignment, DNS and HTTPS access step by step. Save diagnostic results and compare them with earlier records. This is not an internet speed test. β–  Compare charging after changing cables Record the battery-level change for each cable over 5 or 10 minutes, then compare two results captured under similar conditions. Share the comparison as a PDF. Charging power in watts is not available on iOS. β–  Your device information in one place View CPU, memory, storage, battery level, charging status and other device information. Follow accelerometer, gyroscope and other sensor readings on live graphs. β–  Find the information you use most Search for an item and keep frequent checks in Favorites. Supports light and dark modes, plus English, Korean, Japanese, German and Portuguese (Brazil). Available information and measurements vary by device and iOS version. Values that the system restricts or cannot measure are labeled accordingly. Hardware checks rely on you to verify how a function works and record the result. Contains ads. Privacy policy: https://cs.devryner.com/en/apps/ryndevice/privacy

About

BatteryCtrl for SwitchBot Plug

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Battery Controller for SwitchBot Plug is a battery longevity utility designed to communicate directly with your SwitchBot Plug Mini over Bluetooth Low Energy (BLE) to prevent battery degradation and swelling caused by prolonged overcharging. Through native iOS Shortcuts & App Intents integration, you can automate full background power cutoff and resumption based on your device's exact battery level. ---------------------------- β—† Key Features ---------------------------- 1. Native iOS Shortcuts & Automation Integration Powered by App Intents, the app provides instant actions: "Turn On Plug" and "Turn Off Plug". Simply set up an iOS Automation (e.g., Turn OFF at 80%, Turn ON at 20%) to keep your battery healthy automaticallyβ€”even when your iPhone is locked and sleeping. 2. Direct BLE Control (No Hub, No Login) No SwitchBot account or cloud subscription needed. Your iOS device pairs directly with the SwitchBot Plug Mini via Bluetooth, ensuring private, responsive, and reliable operation. 3. Quick Controls & Local History Logs Test your smart plug right from the dashboard. Review timestamped execution logs within the app anytime. 4. Privacy-First Zero analytics, zero ads, zero data collection. All settings and logs stay strictly on your device. ---------------------------- β—† Supported Devices ---------------------------- - SwitchBot Plug Mini (US & JP models) * A SwitchBot Hub is NOT required. ---------------------------- β—† Disclaimer ---------------------------- This app is an independent third-party utility developed by SHADOW'S WORKS LLC. and is not affiliated with or endorsed by SwitchBot (Woan Technology).

Screenshots

RynDevice4 screens
BatteryCtrl for SwitchBot Plug1 screens

Verdict

The call

The clearest difference is ads: BatteryCtrl for SwitchBot Plug at none against RynDevice's shown. BatteryCtrl for SwitchBot Plug also leads on iOS requirement (17.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences Β· 4 level
RynDevice versus BatteryCtrl for SwitchBot Plug: the parameters behind the verdict, then further details
ParameterRynDeviceBatteryCtrl for SwitchBot Plug
PriceFreeFree
Update frequencyEvery 3 weeksβ€”
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad β€” better
Requires iOS26.017.0 β€” better
Further details β€” not scored
Size26 MB2 MB
Age rating4+4+
DeveloperChi Won ChoiSHADOW'S WORKS LLC.

In-app purchases

None

RynDevice

No in-app purchases

None

BatteryCtrl for SwitchBot Plug

No in-app purchases

Questions

Is RynDevice free?
RynDevice is free to download, with no in-app purchases.
Is BatteryCtrl for SwitchBot Plug free?
BatteryCtrl for SwitchBot Plug is free to download, with no in-app purchases.
Do RynDevice or BatteryCtrl for SwitchBot Plug have ads?
RynDevice shows ads; BatteryCtrl for SwitchBot Plug does not.

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