Trojan SmartBattery App vs lang
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trojan SmartBattery App
Monitor your smart batteries remotely via Bluetooth. View real-time charge levels, voltage, current, and Ahr usage. Receive notifications for alarms and access detailed battery information, including manufacturer and serial number.
- Bluetooth battery connection
- Real-time SoC, voltage, and current monitoring
- Multiple battery support
- Detailed battery information
- Alarm notifications
- User manual link
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Features : 1. Connects to batteries through Bluetooth from smart devices. 2. Operating range up to 10 meters. 3. Can connect to multiple batteries at a time. 4. Displayed batteries can be edited/renamed. 5. Detailed information of the battery can be found by clicking on individual batteries that appears on the app. 6. Each battery can connect to only one device at a time. Delete the battery from a connected device to be able to view on another device. 7. Prior to Battery connection, the app displays real-time Battery SoC Levels, indicates charge mode when the battery is charging and notifies active alarms if any. 8. Upon connection with a battery, the app allows to monitor real-time information of Battery State of Charge, Voltage, Current, Total Ahr used, real-time fault alarms when safety limits are triggered. 9. Provides information of the battery manufacturer, battery serial number and battery type that is connected. 10. Contains User Manual link to assist customers with Charger related information. 11. Battery remains connected to the device until manually disconnected on the app or if device’s Bluetooth connectivity is lost.
lang
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lang-lang is a focused translation and word lookup app for English, Russian, and Serbian. Type or dictate text, choose a language pair, and get clean translation results. For single words, lang-lang can show dictionary-style lookup results with alternatives and parts of speech when available. The app supports saved language pairs, voice input, local translation history, light and dark themes, and flexible translation modes. You can keep the default mode, prefer non-AI translation when available, or use AI-only mode. No account is required. Translation history and settings are stored on your device and can be cleared from Settings. lang-lang does not use advertising or tracking.
Screenshots
Verdict
The clearest difference is update cadence: lang at every 9 days against Trojan SmartBattery App's monthly. Trojan SmartBattery App's advantage is iOS requirement (16.0 vs 18.2). On price, ads, 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.
Trojan SmartBattery App ships an update monthly, lang every 9 days. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.
| Parameter | Trojan SmartBattery App | lang |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (5 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 6 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Trojan Battery | Nikolai Bazlov |
In-app purchases
Trojan SmartBattery App
No in-app purchases
lang
No in-app purchases
Questions
Is Trojan SmartBattery App free?
Is lang free?
Do Trojan SmartBattery App or lang have ads?
Which is updated more often, Trojan SmartBattery App or lang?
Other comparisons
