相册卫士 vs Calculator Sci Unit Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
相册卫士
Securely encrypt and store your private photos and videos locally. Organize your memories into categorized albums, ensuring your personal content remains inaccessible to others. Protect your privacy with advanced encryption methods.
- Face ID encryption
- Photo and video storage
- Album categorization
- Local storage
- Privacy protection
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大家好，相册管家是一款相册加密软件，主要用于照片和视频的安全保护，为您的隐私安全保驾护航。 【功能特色】 1.加密隐私：相册使用面容ID进行加密，非本人无法打开；不用再担心隐私照片被小朋友、大朋友或者修手机的偷看了； 2.相册整理：每次旅游或一次美好时光都可以分类分相册记录，让相册不再凌乱； 3.本地存储：照片视频本地存储，对“xxx”软件/云盘私密泄漏说“NO！”； 4.支持视频：不只是照片，视频也同步支持哦。 【推荐说明】 你可以长按软件，编辑主屏幕，将软件移除主屏幕，这样保护更彻底哦。
Calculator Sci Unit Converter
This app offers a robust calculator with both standard and scientific functions. It includes a unit converter for various measurements and currency, plus helpful shortcuts for percentages, taxes, and tips. All calculations are saved locally for easy access.
- Standard and scientific calculator modes
- Unit conversion for length, weight, temperature, currency
- Full calculation history log
- Percentage, tax, and tip calculation shortcuts
- Offline functionality
- Optimized for phone and tablet
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A fast, clean calculator for everyday math and deeper work. Switch to scientific mode for trig, powers, and logs, then convert length, weight, temperature, and currency without leaving the app. Need to check an old result? Your calculation history stays on device so you can copy, reuse, or review past entries anytime. Percentage, tax, and tip helpers make shopping and dining math effortless. • Standard & scientific calculator • Unit converter: length, weight, temp, currency • Full calculation history with copy • Percent, tax, and tip shortcuts • Offline-first — no account required • Optimized for phone and tablet Perfect for students, professionals, and anyone who wants a reliable calculator that respects your privacy.
Screenshots
Verdict
The clearest difference is price: 相册卫士 at Free against Calculator Sci Unit Converter's $1.99. 相册卫士 also leads on review sentiment (95% vs 67%). Calculator Sci Unit Converter's advantage is rating (4.0 vs 3.0) and update cadence (monthly vs every 6 months). On ratings volume, 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
相册卫士 is free to download; Calculator Sci Unit Converter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calculator Sci Unit Converter holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews complicate that: 95% of 相册卫士's written reviews are positive against 67% of Calculator Sci Unit Converter's, so the app with the better star average is not the one people write more warmly about.
相册卫士 ships an update every 6 months, Calculator Sci Unit Converter monthly. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.
| Parameter | 相册卫士 | Calculator Sci Unit Converter |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 3.0 (2 ratings) | 4.0 (2 ratings) — better |
| Positive reviews | 94.7% of reviews — better | 66.7% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 46 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | 孝伟 李 | Xiamen City Fanyou Network Technology Co., Ltd. |
Customer experience
相册卫士
Calculator Sci Unit Converter
In-app purchases
相册卫士
No in-app purchases
Calculator Sci Unit Converter
No in-app purchases
Questions
Is 相册卫士 free?
Is Calculator Sci Unit Converter free?
Which has better reviews, 相册卫士 or Calculator Sci Unit Converter?
Do 相册卫士 or Calculator Sci Unit Converter have ads?
Which is updated more often, 相册卫士 or Calculator Sci Unit Converter?
Other comparisons
