Comparison

Amphi Notes vs Device Battery Manager

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

Head to head
About

Amphi Notes

Features
Read full description

Amphi Notes is a free and open-source, cross-platform note-taking app. You can insert images and videos into your notes, and format your text. Organize your notes using folders, just like a traditional file system. Once you've written your notes or stories, you can sync them across devices via a self-hosted server. If you already use Amphi Music, Amphi Photos and Amphi Cloud, your music library, photos, and files can also be synced through the same server. To set up your own server, visit: https://amphi.site/server

About

Device Battery Manager

This app helps you track battery life for all your household devices. Receive timely notifications before batteries die, ensuring you're always prepared with replacements. Manage battery types, replacement dates, and expected lifespans for every device.

Highlights
  • Track unlimited devices
  • Smart replacement reminders
  • Comprehensive battery database
  • Customizable battery lists
  • Visual status indicators
  • Flexible sorting options
  • Dark mode support
Features
Read full description

Never Forget Another Battery Replacement Device Battery Manager helps you track battery life across all your household devices and electronics. Stop wondering when you last changed the batteries in your smoke detector, TV remote, or wireless mouse. Get timely notifications before batteries die, so you're always prepared. Key Features: • Track Unlimited Devices - Monitor batteries in remote controls, smoke detectors, thermostats, toys, cameras, wireless keyboards, wall clocks, and any battery-powered device in your home • Smart Replacement Reminders - Set custom lifespan expectations for each device and receive notifications when it's time to replace batteries • Comprehensive Battery Database - Choose from over 160 battery types including AA, AAA, CR2032, 9-volt, button cells, camera batteries, hearing aid batteries, and specialized lithium-ion types • Customizable Battery Lists - Select only the battery types you use from common and uncommon categories to keep your picker lists clean and relevant • Visual Status Indicators - See at a glance which devices need attention with color-coded status badges and progress rings showing remaining battery life • Flexible Sorting - Organize your devices by days remaining, device name, or date added to prioritize what needs attention first • Track Important Details - Record device name, battery type, brand, quantity, replacement date, and expected lifespan for complete battery management • Dark Mode Support - Seamlessly adapts to your device's appearance settings for comfortable viewing anytime Perfect For: Homeowners managing smoke detectors and security systems, parents tracking toys and gaming controllers, professionals monitoring camera equipment and wireless peripherals, or anyone tired of dead batteries at inconvenient times. Simple. Smart. Never Be Caught Without Power. Download Device Battery Manager today and take control of every battery in your life.

Screenshots

Amphi Notes4 screens
Device Battery Manager4 screens

Verdict

The call

The clearest difference is update cadence: Device Battery Manager at every 5 days against Amphi Notes's every 4 months. Amphi Notes's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, ads and in-app purchases 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.

UpkeepUpdate frequency

Amphi Notes ships an update every 4 months, Device Battery Manager every 5 days. The most recent releases landed on September 13, 2026 and September 6, 2026 respectively.

Scorecard3 real differences · 6 level
Amphi Notes versus Device Battery Manager: the parameters behind the verdict, then further details
ParameterAmphi NotesDevice Battery Manager
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.6
Further details — not scored
Size82 MB5 MB
Age rating4+4+
DeveloperSeung Yong LeeRobert Wood

In-app purchases

None

Amphi Notes

No in-app purchases

None

Device Battery Manager

No in-app purchases

Questions

Is Amphi Notes free?
Amphi Notes is free to download, with no in-app purchases.
Is Device Battery Manager free?
Device Battery Manager is free to download, with no in-app purchases.
Do Amphi Notes or Device Battery Manager have ads?
Neither Amphi Notes nor Device Battery Manager shows ads.
Which is updated more often, Amphi Notes or Device Battery Manager?
Amphi Notes ships an update every 4 months, and Device Battery Manager every 5 days. Most recently, Amphi Notes was updated on September 13, 2026 and Device Battery Manager on September 6, 2026.

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