RynDevice vs BatteryCtrl for SwitchBot Plug
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RynDevice
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RynDevice shows you everything your iPhone can tell you about itself — clearly organized, honestly labeled, and readable offline. ■ 19 categories, every value in one place Device, System/OS, CPU, Graphics, Memory, Storage, Battery, Display, Camera, Network, Sensors, Location, Connectivity, Sound & Media, Security, Hardware features, Thermal — plus test tools and settings. ■ Live sensor graphs View readings from the accelerometer, gyroscope and other sensors in real time, with per-axis charts and full technical details. ■ 9 hardware tests Display, touch, speaker, microphone, camera, flashlight, vibration, GPS and sensors — pass/fail per test, with a shareable report. Handy when checking a used phone before buying or selling. ■ See where every value comes from Turn on “Value source” to see the exact iOS API behind each value (utsname.machine, ProcessInfo, …). Built for developers and QA. ■ Honest about limits When iOS doesn’t expose a value (serial number, IMEI, …), RynDevice says “Restricted” instead of guessing — never a made-up number. ■ Permissions only when needed Permissions are requested only on the screens that actually need them, with a clear reason — and you can decline and keep using everything else. ■ Works offline All device info and tests work without a network. ■ Light & dark, 5 languages A first-class dark mode, and full support for English, 한국어, 日本語, Deutsch and Português (Brasil). Your device data is read to be shown on screen. Exports leave the device only when you share them yourself. RynDevice shows ads (Google AdMob); ad-related data is described in the privacy policy: https://cs.devryner.com/apps/ryndevice/privacy
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. ---------------------------- ◆ 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 automatically—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. ---------------------------- ◆ Supported Devices ---------------------------- - SwitchBot Plug Mini (US & JP models) * A SwitchBot Hub is NOT required. ---------------------------- ◆ 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
Verdict
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 · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | RynDevice | BatteryCtrl for SwitchBot Plug |
|---|---|---|
| Price | Free | Free |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Chi Won Choi | SHADOW'S WORKS LLC. |
In-app purchases
RynDevice
No in-app purchases
BatteryCtrl for SwitchBot Plug
No in-app purchases
Questions
Is RynDevice free?
Is BatteryCtrl for SwitchBot Plug free?
Do RynDevice or BatteryCtrl for SwitchBot Plug have ads?
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