whBOOK vs EM3ev Battery Analyst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
whBOOK
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Capture pictures from your phones/tablets camera and upload them directly to your whBOOK library stock. Search for books with order number, ISBN / EAN / ASIN, title, full text or storage compartment. You can filter your results via following criterias: - Order number: from / to - In stock: all titles / in stock / not in stock - Pictures: all titles / with pictures / without pictures - price: from / to Sort your results ascending or descending from the order number, storage compartment or date of creation. Choose the book you want and click on the add images icon on the toolbar. Capture pictures from your camera and click on 'upload images' to upload them to your whBOOK library stock! whBOOK - Your specialist for antiquarians
EM3ev Battery Analyst
Monitor your EM3ev battery's performance in real-time. View voltage, current, temperature, and individual cell voltages. Track power consumption over time and access detailed battery status information.
- Bluetooth connectivity
- Real-time voltage and current readings
- Individual cell voltage monitoring
- Temperature monitoring
- Power consumption tracking
- Battery information and state display
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For EM3ev batteries Connect to battery with Bluetooth, read voltage and current information, temperature, and individual cell voltage. See power consumption over time and read battery information and state.
Screenshots
Verdict
The clearest difference is iOS requirement: whBOOK at 15.0 against EM3ev Battery Analyst's 17.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
whBOOK ships an update every 5 weeks, EM3ev Battery Analyst every 2 months. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.
| Parameter | whBOOK | EM3ev Battery Analyst |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | w+h GmbH | Bjørn-Andreas Lamo |
In-app purchases
whBOOK
No in-app purchases
EM3ev Battery Analyst
No in-app purchases
Questions
Is whBOOK free?
Is EM3ev Battery Analyst free?
Do whBOOK or EM3ev Battery Analyst have ads?
Which is updated more often, whBOOK or EM3ev Battery Analyst?
Other comparisons
