PPIGarage vs Battery Grapher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PPIGarage
This app offers automated robotic valet parking services for members. It allows users to conveniently park and retrieve their vehicles, saving valuable time. Experience the ultimate in parking convenience with this innovative solution.
- Automated robotic valet parking
- Park and retrieve vehicles
- Save time
- Ultimate convenience
- Member access
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PARKPLUS WELCOMES YOU TO AUTOMATED ROBOTIC VALET PARKING. MEMBERS CAN USE THIS APP TO PARK AND RETRIEVE VEHICLES, SAVING TIME AND PROVIDING THE ULTIMATE CONVENIENCE. PARKPLUS welcomes you to automated robotic valet parking. Members can use this app to park and retrieve vehicles, saving time and providing the ultimate convenience.
Battery Grapher
This app tracks your device's battery usage over time and uses your historical data to predict future battery levels. It's designed for low energy consumption and offers customizable notifications to help you manage charging times.
- Historical battery level graphing
- Smart future battery predictions
- Low energy consumption design
- Customizable battery notifications
- Supports all complications and widget sizes
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Battery Grapher graphs your historical battery levels and learns your habits to make smart predictions on what your future battery levels will be. Developed specifically with energy consumption in mind, Battery Grapher has almost no impact on battery life. SMART PREDICTIONS Battery Grapher uses historical battery levels to intelligently predict what your battery level will be throughout the rest of the day, allowing you to plan when to next charge your device. The longer you have Battery Grapher installed, the more accurate future battery level predictions will be. LOW ENERGY CONSUMPTION Battery Grapher is made for people who want to extend the battery life, meaning that low energy usage is a priority. The app runs a background task only once an hour, and doesn't require a network connection, which keeps energy consumption extremely low. CUSTOMIZABLE NOTIFICATIONS Battery Grapher allows you to set notifications that fit your needs. You can get the app to notify you when you battery drops below a preset percentage, or if you only have a certain number of hours left before your battery runs out. (currently only available on watchOS) ALL COMPLICATIONS & WIDGET SIZES SUPPORTED Battery Grapher supports all complications & widget sizes. Complications can show hours before needing to charge, or battery %. Both complications and widgets are customizable from within the app.
Screenshots
Verdict
The clearest difference is price: PPIGarage at Free against Battery Grapher's $1.99. PPIGarage also leads on iOS requirement (8.0 vs 15.0). Battery Grapher's advantage is rating (4.3 vs 2.5) and ratings volume (155 vs 4). On update cadence, 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
PPIGarage is free to download; Battery Grapher costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Battery Grapher holds the better App Store score, 4.3 against 2.5. That said, the two scores are not equally well evidenced: Battery Grapher has 155 ratings behind it against 4, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.
| Parameter | PPIGarage | Battery Grapher |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 2.5 (4 ratings) | 4.3 (155 ratings) — better |
| Positive reviews | — | 61.2% of reviews |
| Number of ratings | 4 | 155 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 11 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | ParkPlus | Joshua Bird |
Customer experience
PPIGarage
Battery Grapher
Bugs and requests
PPIGarage
Not enough reviews yet to summarise bugs or requests.
Battery Grapher
Reported bugs
18 issues- Widget not displaying on initial installation
- Complication shows stale data and doesn't refresh automatically
- Battery percentage stuck at incorrect values (e.g., 73%, 68%)
- Accuracy status fluctuates rapidly between good and bad
- Missing data warnings despite app being in dock
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- Charge-discharge cycle recognition fails (shows straight lines)
- App crashes on iPad and certain iOS versions
- Complication capped at 47-48 hours on Apple Watch Ultra
- Incorrect battery readings after full charge
- Notifications arrive delayed or not at all
- App shows charging when device is not charging
- Data loss after watch pairing/unpairing
- Graphs display inverted or incorrect usage patterns
- 24-hour time format setting non-functional
- Text cutoff on complication at bottom of watch face
- Accuracy never improves beyond 'bad' status
- App requires manual watch face switching to update
- Predictions wildly inaccurate on newer Apple Watch models
Requested features
18 requests- Watch complication for Smart Stack (watchOS 10+)
- Support for Apple Watch Ultra with correct 36-hour battery display
- Low power mode detection and separate prediction profiles
- Force refresh button in app
- More frequent update intervals (user-configurable)
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- 24-hour time format option
- Charging time estimation while device is charging
- Notifications for full charge completion
- Battery percentage display in widgets
- MacBook app version
- App-specific battery drain identification
- Historical data view (weekly/monthly)
- Cross-device battery information (iPhone battery on Watch, etc.)
- Landscape mode graph expansion
- Multiple widget size options
- Portuguese/Brazilian Portuguese localization
- Manual dark mode toggle for iPhone
- Watch complication for multiple stacks
In-app purchases
PPIGarage
No in-app purchases
Battery Grapher
No in-app purchases
Questions
Is PPIGarage free?
Is Battery Grapher free?
Which has better reviews, PPIGarage or Battery Grapher?
Do PPIGarage or Battery Grapher have ads?
Which is updated more often, PPIGarage or Battery Grapher?
Other comparisons
