Onsite PMS vs BatteryManAI for EV
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Onsite PMS
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A complete construction document management system that provides a collaborative project in the most user-friendly interfaces.
BatteryManAI for EV
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BatteryManAI for EV β The Most Advanced EV Battery Health Prediction Model Worried about EV battery degradation? Just enter 3 numbers after every charge (battery % + current range + total mileage) and you get: 1. Complete battery & mileage logbook β export Excel + HD chart screenshots anytime, keep forever 2. Two professional trend charts: long-term full-charge range + true SOH decay curve (red warning line) 3. Worldβs only BHIT 20-year personalized prediction model β tells you the exact year your battery will drop to 70% (warranty red line). The more data, the more accurate. Exclusive Features β’ Full battery & mileage logbook β export Excel spreadsheets and HD charts anytime, keep forever β’ Instant battery health check β instantly see if degradation matches age & mileage. Must-have before buying a used EV β’ Predicts exactly when youβll hit the warranty threshold β 70% remaining capacity is the warranty line for most manufacturers (Tesla example: minimum 70% retention within 8 years) App Includes β’ Battery & mileage logbook with one-tap Excel + HD chart export β’ Long-term full-charge range trend chart β’ Battery health (SOH) trend chart β’ Exclusive BHIT model: Best / Average / Worst personalized 20-year curves + 95% confidence interval β’ Precise prediction of when youβll reach 70% SOH Other Highlights β’ No ads, no subscription β one-time purchase, lifetime use β’ Works with ALL BEVs οΌTesla, GM/Chevy, Ford, Rivian, Lucid, Hyundai, Kia, BMWβ¦any brand) β’ km / miles toggle, Dark Mode, full multilingual support β’ 100% local storage only β never uploaded, delete everything anytime Download BatteryManAI for EV today β Spot abnormal degradation early, know exactly how many years your battery has left, and say goodbye to battery anxiety forever!
Screenshots
Verdict
The clearest difference is price: Onsite PMS at Free against BatteryManAI for EV's $2.99. Onsite PMS also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Onsite PMS is free to download; BatteryManAI for EV costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Onsite PMS ships an update every 2 weeks, BatteryManAI for EV fortnightly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.
| Parameter | Onsite PMS | BatteryManAI for EV |
|---|---|---|
| Price | Free β better | $2.99 |
| Update frequency | Every 2 weeks β better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.0 β better | 17.6 |
| Further details β not scored | ||
| Size | 155 MB | 21 MB |
| Age rating | 17+ | 4+ |
| Developer | ONSITE SAL | Cheng-Ta Yu |
In-app purchases
Onsite PMS
No in-app purchases
BatteryManAI for EV
No in-app purchases
Questions
Is Onsite PMS free?
Is BatteryManAI for EV free?
Do Onsite PMS or BatteryManAI for EV have ads?
Which is updated more often, Onsite PMS or BatteryManAI for EV?
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