Battery Watcher vs Passwd
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Battery Watcher
Monitor your iPhone's battery status directly from your Apple Watch. View current levels, historical data, and receive alerts for a full charge. Perfect for quick checks without needing your phone.
- iPhone battery status on Apple Watch
- Watch face complications
- 24-hour battery history
- Visual charge history graph
- Full charge alerts
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Battery Watcher gives you the status of your iPhone battery right on your Apple Watch! Battery Watcher now supports watchOS 5 and Apple Watch Series 4!! Battery Watcher now leverages the new Apple Watch background processing to keep your Apple Watch up to date with the latest battery level of your iPhone. New Features: - Complications: Check the status of your iPhone battery right from your watch face! - Time Travel: Now you can look back and see what the power level of your iPhone was in the last 24 hours - Battery Level Premium: Upgrade to Battery Level Premium and get the charge history of iPhone battery right on your watch in an easy to use visual graph. Use the Digital Crown to view all the iPhone battery level history for the past 24 and 72 hours! - Full Charge Alert: If you purchase Battery Level Premium, you can receive an alert when your iPhone reaches full charge! For those that want to know how much battery life your iPhone has left without pulling it out of your pocket, this app is for you!
Passwd
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Secure. Simple. Powerful. Passwd is a lightweight, secure password manager for iPhone and iPad. Save all your login credentials, generate strong passwords, and autofill them with ease using the iOS system extension. Passwd also supports 2FA codes for extra protection which means no more switching between apps. Whether you're logging in to apps or websites, Passwd keeps your passwords safe, synced, and ready when you need them. Features: • Password Manager - Save and organize all your logins in one secure place • Autofill Support - Use the Password AutoFill extension to quickly sign in to apps and websites • 2FA Code Generator - Store and generate two-factor authentication (TOTP) codes securely • Strong Password Generator - Create unique, secure passwords with customizable options • iCloud Sync - Access your passwords across all your Apple devices instantly • Secure Encryption - Your data is encrypted on device and never shared
Screenshots
Verdict
The clearest difference is price: Battery Watcher at Free against Passwd's $0.99. Passwd's advantage is in-app purchases (none vs 1) and update cadence (weekly vs fortnightly). On ads, device support and iOS requirement 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
Battery Watcher is free to download; Passwd costs $0.99 up front. Battery Watcher sells 1 one-off in-app purchase. Passwd asks for nothing beyond the download.
Battery Watcher ships an update fortnightly, Passwd weekly. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.
| Parameter | Battery Watcher | Passwd |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.5 (339 ratings) — better | — |
| Positive reviews | 70.7% of reviews | — |
| Number of ratings | 339 — better | — |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 18.6 | 17.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Slackerz Inc | Slayter Development |
Bugs and requests
Battery Watcher
Reported bugs
9 issues- App fails to communicate with iPhone from Watch
- Battery graphic jumps out of place on iPhone app
- Complication doesn't update without opening app
- Inaccurate battery percentage readings
- App disconnects from Watch frequently
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- Premium full-charge notification doesn't work
- App crashes or becomes unresponsive after updates
- White battery icon stuck in corner with display glitches
- Crown interaction doesn't affect graphing as advertised
Requested features
8 requests- Low battery mode functionality
- Battery percentage viewing on iPhone (currently watch-only)
- Custom notification alerts at user-defined battery percentages
- User-configurable logging intervals for battery tracking
- Settings menu to customize watch display and disable text clutter
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- Complication support for watch face
- Glance feature for quick access
- Better customization options for watch app display
Passwd
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Battery Watcher
- Battery Watcher Premium$1.99
Passwd
No in-app purchases
Questions
Is Battery Watcher free?
Is Passwd free?
Do Battery Watcher or Passwd have ads?
Which is updated more often, Battery Watcher or Passwd?
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