Price and ratings
- Price
- £2.99
- Rating
- —
- Ratings
- 0United Kingdom
Versions
- Released
- 17 Dec 20259 months ago
- Last update
- 10 days agoVersion 2.0.1
- Requires
- iOS 18.0 or later
Details
- Size
- 10.2 MB
- Languages
- 1
- Website
- jza.app (opens in a new tab)
Have you ever wondered how long your battery will really last? PowerGlass turns your battery percentage into a live time-remaining prediction, based on how you actually use your devices. By learning your real-world usage patterns — on Apple Watch, iPhone and iPad — it shows you exactly how many hours you have left. Your battery drain isn't constant, and neither is your lifestyle. PowerGlass continuously adapts as your habits change, keeping its predictions accurate as your routine…
Competitors
Full chartTop of Paid · Utilities in Germany. PowerGlass is #40 there. Changes are over 7 days.
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Store listing
How the app presents itself on the App Store. Select a screenshot to open it full size.
What's new
Version 2.0.1 · 29 Sep 2026 · 10 days ago
Bug fixes and minor UI tweaks.
Current rankings
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| Germany· Paid · Utilities | #40 | Up 6 places | Change unknown | #40 | 2 |
| United Kingdom· Paid · Utilities | #86 | New entry | Change unknown | #44 | 1 |
| France· Paid · Utilities | #99 | Down 31 places | Change unknown | #68 | 2 |
Rank history
Higher on the chart is better: #1 is at the top.
Sign in to see 30 days, 90 days and all history.
Germany · Paid · Utilities: best #40, latest #40, over 3 snapshots since 8 Oct. No snapshots from 8 Oct to 9 Oct and on 9 Oct; the line joins the snapshots on either side.
Ranking events
Entries, big moves, #1s and new versions we've recorded.
- Entered the Paid · Utilities chart at #40Germany
- Dropped #44 → #86 in Paid · UtilitiesUnited Kingdom
- Dropped #68 → #94 in Paid · UtilitiesFrance
- Dropped #54 → #87 in Paid · UtilitiesCanada
- Entered the Paid · Utilities chart at #44United Kingdom