Clamshell vs Scientific math Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clamshell
Monitor the status of all your Macs from your iPhone or iPad. This app allows you to track lid and system states remotely, ensuring you're always informed about your devices. It utilizes iCloud for secure data synchronization without third-party servers.
- Monitor Mac lid states
- Track system statuses (Awake, Sleep, etc.)
- Remote monitoring from iPhone/iPad
- iCloud synchronization
- Supports Mac desktops
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Clamshell goes to iPhone and iPad! This is an iOS version of the Clamshell app. It provides monitoring states of all your Macs from your iPhones and iPads that are signed in to the same iCloud account. Clamshell now supports sharing the laptop lid statuses and system statuses (Awake, Sleeping, Logging out, Restarting, Shutting down, Restarted, Shut Down, User Logged Out, App Terminated). More statuses will come in the year. No data is shared with third-party providers. Clamshell is not using any external servers but only Apple's iCloud servers. You're in full control of your data! Note for users of iMac, Mac mini, Mac Studio, and Mac Pro: Clamshell is useful for you finally! Use it to monitor statuses of your Mac desktops remotely from iPhone/iPad. Yay!
Scientific math Calculator
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Kexue Calculator is a powerful scientific calculator designed for students, engineers, and anyone who needs advanced mathematical capabilities. With a clean, intuitive interface and comprehensive features, it goes beyond basic calculations to solve complex problems. KEY FEATURES: SCIENTIFIC CALCULATOR - Basic arithmetic: addition, subtraction, multiplication, division - Advanced functions: powers, roots, logarithms, exponentials - Trigonometry: sin, cos, tan and their inverses - Angle modes: degrees, radians, and gradians - Constants: pi, e, and more - Parentheses support for complex expressions GRAPHING CAPABILITIES - Plot multiple functions simultaneously - Interactive zoom and pan - Trace function values - Export graphs as images MATRIX OPERATIONS - Matrix addition, subtraction, multiplication - Matrix transpose and inverse - Determinant calculation - Support for various matrix dimensions COMPLEX NUMBERS - Full complex number arithmetic - Polar and rectangular forms - Complex functions support VECTOR CALCULATIONS - Vector addition and subtraction - Dot product and cross product - Vector magnitude calculations EQUATION SOLVER - Quadratic equations - Cubic equations - Linear equation systems STATISTICS AND REGRESSION - Mean, standard deviation, variance - Linear regression analysis - Data visualization UNIT CONVERTER - Length, weight, temperature - Area, volume, time - Currency conversion TIP CALCULATOR - Quick tip calculations - Split bills easily - Customizable tip percentages AI MATH SOLVER - Solve math problems with AI assistance - Bring your own API key from OpenAI, Google Gemini, DeepSeek, or compatible providers - Unlimited AI usage with your own key - Your API key is stored securely on your device EXAM MODE - Timer-based exam simulation - Restricted features for test preparation - Customizable allowed functions ADDITIONAL FEATURES - Calculation history with search - iCloud sync across devices (optional) - Home screen widgets - Apple Watch app - Dark mode support - Customizable precision settings - Haptic feedback - Offline functionality AI FEATURES: - This app uses your own API key for AI features. You can bring your own key from OpenAI, Google Gemini, DeepSeek, or any compatible provider. - AI features are unlimited with your own key - no usage limits or in-app token purchases. - Your API key is stored securely on your device and never sent to our servers. SUBSCRIPTION INFORMATION: - Payment will be charged to your Apple ID account at confirmation of purchase. - Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. - You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. Download Kexue Calculator today and experience the power of a professional scientific calculator in your pocket.
Screenshots
Verdict
The clearest difference is price: Clamshell at Free against Scientific math Calculator's $0.99. Clamshell also leads on update cadence (every 6 weeks vs every 3 months). On ads, in-app purchases, device support 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
Clamshell is free to download; Scientific math Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Clamshell ships an update every 6 weeks, Scientific math Calculator every 3 months. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.
| Parameter | Clamshell | Scientific math Calculator |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 18.4 | 18.4 |
| Further details — not scored | ||
| Size | 8 MB | 5 MB |
| Age rating | 4+ | 9+ |
| Developer | Alexander Kovrazhkin | 贺 周 |
In-app purchases
Clamshell
No in-app purchases
Scientific math Calculator
No in-app purchases
Questions
Is Clamshell free?
Is Scientific math Calculator free?
Do Clamshell or Scientific math Calculator have ads?
Which is updated more often, Clamshell or Scientific math Calculator?
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