Concept Keywords vs Battery Watcher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Concept Keywords
This app provides random creative prompts to inspire sketching, illustration, and design projects. It's a tool for generating unique ideas to fuel your artistic endeavors.
- Random idea generation
- Sketching inspiration
- Illustration prompts
- Design ideas
- Creative tool
Read full descriptionHide full description
CONCEPT KEYWORDS is an application to help you sketch, illustrate or design with random amazing ideas.
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
Read full descriptionHide full description
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!
Screenshots
Verdict
The clearest difference is rating: Battery Watcher at 4.5 against Concept Keywords's 3.7. Battery Watcher also leads on ratings volume (338 vs 12) and update cadence (fortnightly vs every 2 months). Concept Keywords's advantage is review sentiment (80% vs 71%) and iOS requirement (8.0 vs 18.6). On price, ads, in-app purchases and monetization model 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. Concept Keywords sells 4 one-off in-app purchases and Battery Watcher sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Battery Watcher holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Battery Watcher has 338 ratings behind it against 12, so its average is the more settled of the two. Written reviews complicate that: 80% of Concept Keywords's written reviews are positive against 71% of Battery Watcher's, so the app with the better star average is not the one people write more warmly about.
Concept Keywords ships an update every 2 months, Battery Watcher fortnightly. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.
| Parameter | Concept Keywords | Battery Watcher |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (12 ratings) | 4.5 (338 ratings) — better |
| Positive reviews | 80.0% of reviews — better | 70.7% of reviews |
| Number of ratings | 12 | 338 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 8.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 67 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Fiision Studio Company Limited | Slackerz Inc |
Customer experience
Concept Keywords
Battery Watcher
Bugs and requests
Concept Keywords
Not enough reviews yet to summarise bugs or 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
Show 4 moreShow fewer
- 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
Show 3 moreShow fewer
- Complication support for watch face
- Glance feature for quick access
- Better customization options for watch app display
In-app purchases
Concept Keywords
- Donate $1.00$0.99
- Donate $3.00$2.99
- Donate $5.00$4.99
Show 1 moreShow fewer
- Donate $10.00$9.99
Battery Watcher
- Battery Watcher Premium$1.99
Questions
Is Concept Keywords free?
Is Battery Watcher free?
Which has better reviews, Concept Keywords or Battery Watcher?
Do Concept Keywords or Battery Watcher have ads?
Which is updated more often, Concept Keywords or Battery Watcher?
Other comparisons
