鲸算师 vs invsi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
鲸算师
This app offers a suite of financial calculators for investments and loans, alongside a simple and intuitive expense tracker. It helps users understand real interest rates and manage their finances with clear visualizations and customizable categories.
- IRR, NPV, TVM, loan, and mortgage calculators
- Save and share calculation results
- Quick and simple expense tracking
- Professional income/expense charts
- Customizable spending categories
- Calendar view for daily summaries
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【产品简介】 鲸算师是一款专业的财务计算软件 各路理财达人帮你算 帮你看穿名义利率背后的真实利率 鲸记账-简约便捷懒人式生活账本 【财务计算】 1.财务计算:包含IRR、NPV、TVM、贷款、房贷、复利、保险、融资租赁等多种计算器,满足各种财务计算需求; 2.保存结果:计算结果可保存,方便随时查看对比; 3.一键重算:保存的结果自动导入,无需重新录入; 4.分享好友:计算结果分享后,直接回填计算过程; 【鲸记账】 1.快速记账:3步完成,告别繁琐,极简随手记录; 2.专业图表:线图饼图,收支走势构成一目了然; 3.个性分类:超200图标,自定义类别展示更直观; 4.日历模式:自然月展示,便捷视图快速查找日结; 5.简洁实用:界面简单,无干扰纯净体验; 【官方QQ群】859903901 【官方邮箱】info@whalecost.com 【官方微博】weibo.com/whalecost
invsi
This app helps parents manage their children's device usage by controlling screen time and blocking inappropriate content. It offers a local-only experience with no ads or registration, prioritizing user privacy.
- Screen time management
- Content blocking
- No advertisements
- Local data storage
- No registration required
- Premium features via subscription
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invsi helps you keep photos, videos, and files private. You can also lock apps. When you lend someone your phone, you decide what they can access. 【Private Space】 Import the photos, videos, and files you want to protect, then enter your passcode to view them. Choose from different ways to keep your content private. 【App Lock】 Lock selected apps whenever you need to, or set a timer to unlock them automatically. When your child uses your phone, you can restrict access to games and other apps and block inappropriate content. 【Our Philosophy】 No ads. No notifications. No sign-up required. All your data stays on your phone. Please back up anything important. Less is more. --- Privacy --- invsi runs locally on your device. We have no servers and cannot upload your personal data. This also means we cannot recover your passcode, so please keep it safe. --- Contact --- We welcome your suggestions and feedback. Email: invisilab@gmail.com Xiaohongshu: 独库车神 X(twitter):@invisilab_x --- Subscriptions --- - Basic features are free to use. - Become an invsi member to unlock all premium features. - Payment will be charged to your Apple Account when you confirm your purchase. - Subscriptions renew automatically unless you turn off auto-renewal at least 24 hours before the current billing period ends. - You can manage or cancel your subscription at any time after purchase in Settings → your name → Subscriptions. ---Additional Information--- Privacy Policy: https://maxc.cc/privacy-policy/ Terms of Use: https://maxc.cc/user-agreement/
Screenshots
Verdict
The clearest difference is rating: 鲸算师 at 5.0 against invsi's 4.1. 鲸算师 also leads on in-app purchases (none vs 4) and iOS requirement (11.0 vs 17.0). invsi's advantage is ratings volume (8 vs 2). On price, update cadence, ads 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. invsi sells 4 in-app purchases, starting at $0.99 per month. 鲸算师 asks for nothing beyond the download.
鲸算师 holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 2 and 8 respectively.
鲸算师 ships an update monthly, invsi every 3 weeks. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.
| Parameter | 鲸算师 | invsi |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.1 (8 ratings) |
| Positive reviews | — | 96.0% of reviews |
| Number of ratings | 2 | 8 — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | TianJin Tinkers Computer information Technology Co.,Ltd | 新坤 杨 |
Customer experience
鲸算师
invsi
In-app purchases
鲸算师
No in-app purchases
invsi
- Monthly PRO3 Days trial$0.991 Month
- Invsi PRO (Annual)7 Days trial$4.991 Year
- Unlock Application Icon$0.99
- Lifetime PRO$14.99








