PhoneBattery
PhoneBattery Summary
PhoneBattery is a with in-app purchases iOS app in Tools by Marcel Voss. Released in Jul 2015 (10 years ago). It has 465 ratings with a 4.32★ (good) average. Based on AppGoblin estimates, it reaches roughly 2K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Jan 16, 2026.
Recent activity: 1.00 new ratings this week View trends →
Store info: Last updated on App Store on Jan 16, 2026 .
4.32★
Ratings: 465
Screenshots
App Description
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