単位計算機 vs NovaFlow Note
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
単位計算機
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これは、単位の変換を行うためのアプリです。 通常の単位の変換以外にも、いくつかのパターンで画像イメージに変換することもできます。 長さ、重さ、面積、体積、角度、時間、速度、温度、力、圧力、加速度、エネルギー ※画像で表示してほしい単位について、リクエストを受け付けています。 サポートページの単位計算機のページから、入力してください。
NovaFlow Note
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Key Features: 1. Ultimate Privatization: Support for self-hosting on any device. Your old phone can become your private server. 2. NovaFlow™ Real-time Sync: Seamless multi-terminal relay based on E2EE (End-to-End Encryption) channels. 3. Sovereign Data Security: Full-path military-grade AES encryption. Data never leaves your local environment, ensuring total protection from cloud leaks. 4. Intelligent Ecosystem Integration: 100% Markdown compatible, native AI-powered, with deep cross-browser extension integration. Subscription Member Benefits: 1. Unlock full cross-platform capabilities. Auto-Renewal Membership Instructions: 1. Subscription Cycle: 1 month (Monthly), 3 months (Quarterly), 12 months (Yearly). 2. Payment: Charged to iTunes Account upon confirmation of purchase. 3. Renewal: Account will be charged for renewal within 24 hours prior to the end of the current period. 4. Cancellation: To cancel, please turn off auto-renewal in iTunes/Apple ID settings at least 24 hours before the current period ends. 5. Privacy Policy: https://www.xinflow.cn/privacy.html 6. User Agreement: https://www.xinflow.cn/user_protocol.html 7. Auto-Renewal Agreement: https://www.xinflow.cn/autorenew_agreement.html
Screenshots
Verdict
The clearest difference is in-app purchases: 単位計算機 at none against NovaFlow Note's 4. NovaFlow Note's advantage is ads (none vs shown) and update cadence (every 13 months vs every 27 months). On price and iOS requirement 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. NovaFlow Note sells 4 in-app purchases, starting at $0.99 per month. 単位計算機 asks for nothing beyond the download.
単位計算機 ships an update every 27 months, NovaFlow Note every 13 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | 単位計算機 | NovaFlow Note |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (6 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 27 months | Every 13 months — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 8 MB | 136 MB |
| Age rating | 4+ | 4+ |
| Developer | Seiji Nagano | 海瑞 束 |
In-app purchases
単位計算機
No in-app purchases
NovaFlow Note
- 连续包月$0.991 Month
- 连续包季$2.993 Months
- 连续包年$9.991 Year
- 专业版$12.99
