PhoneBattery vs Power Trace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PhoneBattery
This app displays your iPhone's battery level directly on your Apple Watch. Avoid constantly checking your phone with quick glances at your wrist, perfect for workouts, commutes, or when your phone is just out of reach.
- iPhone battery level on Apple Watch
- Smart battery notifications
- Apple Watch complications
- Alternative app icons
- Clean and simple interface
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PhoneBattery is the tiny little app that solves a surprisingly annoying problem How much battery is left on your iPhone? And why do you need to dig it out of your pocket every time just to find out? With PhoneBattery, you can simply glance at your Apple Watch and boom — mystery solved. Perfect for: • Workouts where your phone is buried somewhere in a sweaty pocket • Busy commutes with too many bags and not enough hands • Couch-days where the phone is just a little too far away No magic. No fuss. Just your iPhone battery, right where it should be: on your wrist. FEATURES • Smart battery notifications (never get caught at 2 percent again) • Clean and simple interface (nothing extra, no clutter) • Lots of Apple Watch complications • Alternative app icons (because vibes matter) • Free, no ads, and made by one indie developer • Optional tips if you want to support future features Need help or want to say hi? help@marcelvoss.com
Power Trace
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This app is a Bluetooth device monitoring and management tool. After connecting to a supported device via Bluetooth, users can view device information, connection status, battery level, port status, input and output power, voltage, current, temperature, cycle count, and battery health information. It helps users understand the current operating status of their device more clearly. Key Features: 1. Bluetooth Device Connection Search for nearby Bluetooth devices and perform actions such as connect, reconnect, disconnect, and clear pairing. 2. Battery Level Monitoring View the current battery level after connecting to a supported device. 3. Port Status Display Check the status of multiple ports, including switch status, current, and voltage information. 4. Power Information View input power, output power, and total power status to better understand device usage. 5. Battery Pack Status Display battery pack data such as total voltage, total current, cell voltage, and temperature. 6. Performance Status View cycle count, health status, and related warning information. This app is only used to display and manage status information from connected Bluetooth devices. The actual data shown depends on whether the connected device supports the corresponding information.
Screenshots
Verdict
The clearest difference is in-app purchases: Power Trace at none against PhoneBattery's 4. On price, update cadence, ads 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. PhoneBattery sells 4 one-off in-app purchases. Power Trace asks for nothing beyond the download.
PhoneBattery ships an update every 8 days, Power Trace weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | PhoneBattery | Power Trace |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (381 ratings) — better | — |
| Positive reviews | 58.4% of reviews | — |
| Number of ratings | 381 — better | — |
| Update frequency | Every 8 days | 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 | 18.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 19 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Marcel Voss | SHENZHEN TOUCHSTONE TECHNOLOGY CO.,LTD |
Bugs and requests
PhoneBattery
Reported bugs
10 issues- Complication shows skeleton loading screen but never loads data
- App displays blank battery icon with no charge information
- Battery percentage shows incorrect values
- App only works if opened on phone first
- Incompatible with watchOS 7 and iOS 14+
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- Circular display setting doesn't apply
- Low battery notifications never trigger
- App crashes or fails to display on Apple Watch
- Settings changes don't persist (e.g., round to long battery display)
- Inconsistent functionality across Watch Series 3, 5, 6 models
Requested features
8 requests- Add working complication for watch face integration
- Support for circular battery indicator display
- Sound notifications for low battery alerts
- Display phone signal strength information
- Show Bluetooth headphone battery percentage
Show 3 moreShow fewer
- Change Apple Watch app icon customization
- Battery health information display
- Regular app updates for current OS compatibility
Power Trace
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PhoneBattery
- Small tip$0.99
- Medium tip$1.99
- Large tip$3.99
Show 1 moreShow fewer
- Generous tip$4.99
Power Trace
No in-app purchases
Questions
Is PhoneBattery free?
Is Power Trace free?
Do PhoneBattery or Power Trace have ads?
Which is updated more often, PhoneBattery or Power Trace?
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