玩具百科 vs Battery Materials Toolkit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
玩具百科
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建立国内规范、统一、标准、完整的玩具信息数据库； 基于玩具数据库的搭建，打造垂直玩具行业的综合移动端应用。
Battery Materials Toolkit
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Battery Materials Toolkit is a focused calculator toolbox for battery materials and electrode work. It helps you move from quick lab estimates to repeatable calculation snapshots without spreadsheets or sign-in. Included in v1.0: - Theoretical capacity in mAh/g - Energy density in Wh/kg and mWh/g - N/P ratio with balance hints - C-rate, current, and charge/discharge time - Current density in mA/cm² - Areal capacity, mass loading, active material ratio, and specific capacity conversions - Electrode recipe mass calculation for active material, conductive additive, binder, and solvent - Unit converter for common battery-material units - Local saved calculations with notes, reopen, and delete All calculations run locally on your device. Saved calculations stay on this device unless you choose to share the results yourself. This app is intended as an engineering and research aid. Please verify important results with your own protocols and standards. Privacy Policy: http://mindkey.xyz/index.php/zensee-studio/privacy-policy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: 玩具百科 at 14.0 against Battery Materials Toolkit's 16.4. On price, ads, in-app purchases and device support 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.
| Parameter | 玩具百科 | Battery Materials Toolkit |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 63 MB | 28 MB |
| Age rating | 9+ | 4+ |
| Developer | 玩聚百科(北京)科技有限公司 | 碧珍 刘 |
In-app purchases
玩具百科
No in-app purchases
Battery Materials Toolkit
No in-app purchases
