NanoBattery vs BasenCloud
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NanoBattery
This utility app provides real-time monitoring of your Apple Watch's battery level directly on your iPhone. It offers convenient widgets, custom alerts, and support for Dynamic Island and Live Activities to keep you informed without needing to check your watch.
- Instant Watch battery monitoring
- Home and Lock Screen widgets
- Dynamic Island and Live Activities support
- Custom low battery alerts
- Battery-efficient background sync
- Privacy-focused, no data collection
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NanoBattery is the essential utility for your Apple Watch. Stop guessing how much power is left on your wrist. NanoBattery seamlessly syncs your Apple Watch battery level to your iPhone, keeping you informed at a glance. Designed with a sleek "Black & Yellow" aesthetic perfect for OLED screens, NanoBattery feels right at home on your modern iOS device. KEY FEATURES: • Instant Monitoring: Check your Watch battery level directly from the app dashboard. • Smart Widgets: Add beautiful widgets to your Home Screen and Lock Screen to track power levels without unlocking your phone. • Dynamic Island & Live Activities: Keep an eye on your battery in real-time with support for the latest iOS features. • Custom Alerts: Receive a notification on your iPhone when your Watch battery drops below a specific threshold (e.g., 20%). • Battery-Friendly: Uses efficient background refresh technology to sync data without draining your device. HOW IT WORKS: NanoBattery uses background app refresh to periodically fetch data from your Watch (typically every 15-20 minutes) or instantly when you open the app or tap the widget. PRIVACY FIRST: No data collection, no tracking. Your battery data stays between your devices. Download NanoBattery today and never let your Watch run out of power unexpectedly!
BasenCloud
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BasenCloud is the app for BasenGreen home batteries. The battery's touch display connects to Wi-Fi and reports to BasenCloud, and the app shows you what your battery is doing, wherever you are. No Bluetooth is needed: the app works wherever your phone is online. Live status • State of charge, voltage, current and power • Charging, discharging or standby, and whether a protection is active • Whether the display and each pack are online Cells and temperatures • Every cell voltage, with the lowest, the highest and the difference • Cell balancing, as the battery management system (BMS) reports it • Parallel packs side by side, and every temperature sensor Alarms and notifications • Protection events and warnings from the BMS • Notifications for protection events always, and you choose which of the others you get: warnings, low and full charge, a pack that goes offline and firmware updates installed by BasenGreen • Acknowledge an alarm to clear your badge History and BMS log • See the battery's history at any time: state of charge over time, cycles, energy throughput, deepest discharge and the largest cell difference • Read the BMS log: how many times each protection of the battery's management system has been triggered Several batteries • Link up to 20 batteries to one account, name them and switch between them • Read-only protection parameters and installed firmware versions • The inverter protocol of the battery's CAN and RS485 ports, which you can change as on the display Getting started 1. Sign in with Apple or Google, or create an account with your email address. 2. On the battery's display, open Settings > Network > Link to Mobile. 3. In the app, tap Add battery and scan the QR code on the display. Want to look around first? Guest mode shows the app with a sample battery and simulated data, no account needed. Good to know • BasenCloud is for monitoring. It cannot switch, charge or discharge your battery or change its protection settings; the battery's own BMS protects it at all times. • Notifications are for information and can be delayed. Never rely on the app for safety. • A battery belongs to one account at a time. Before you hand it over, unlink it in the app or at the display. • No ads and no tracking. You can delete your account in the app at any time. • In English, Simplified Chinese, Arabic and Kurdish (Sorani). BasenCloud is provided by Shenzhen Basen Technology Co., Ltd. Terms of Use: https://basencloud.com/terms Privacy Policy: https://basencloud.com/privacy Support: support@basengreen.com
Screenshots
Verdict
NanoBattery and BasenCloud are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 | NanoBattery | BasenCloud |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | — | Daily |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 16 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Giovanni Outerleys | TRAILER SOL (PTY) LIMITED |
In-app purchases
NanoBattery
No in-app purchases
BasenCloud
No in-app purchases









