Comparison

NanoBattery vs Amperix

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

Head to head
About

NanoBattery

Features
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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!

About

Amperix

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Keep your devices in great shape with Amperix! Explore easy-to-follow battery care advice and power bank buying guides. Test your skills with interactive quizzes and become a battery expert in no time.

Screenshots

NanoBattery4 screens
Amperix4 screens

Verdict

The call

The clearest difference is ads: NanoBattery at none against Amperix's shown. Amperix's advantage is iOS requirement (15.0 vs 17.6). 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

CostPrice · In-app purchases · Ads · Monetization

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

Scorecard2 real differences · 6 level
NanoBattery versus Amperix: the parameters behind the verdict, then further details
ParameterNanoBatteryAmperix
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequency—Every 2 months
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.615.0 — better
Further details — not scored
Size16 MB7 MB
Age rating4+17+
DeveloperGiovanni Outerleys磊 宗

In-app purchases

None

NanoBattery

No in-app purchases

None

Amperix

No in-app purchases

Questions

Is NanoBattery free?
NanoBattery is free to download, with no in-app purchases.
Is Amperix free?
Amperix is free to download, with no in-app purchases.
Do NanoBattery or Amperix have ads?
Amperix shows ads; NanoBattery does not.

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