Halcyon Calc Lite vs Simple Shell
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Halcyon Calc Lite
This app is a powerful calculator for students and professionals, offering advanced features like symbolic expression manipulation, graphing, and statistical analysis. It supports real, complex, and integer numbers, matrices, and vectors, making it versatile for various mathematical tasks.
- Symbolic expression manipulation
- Graphing of expressions
- Matrix and vector calculations
- Statistical analysis
- Multiple number formats (decimal, hex, octal, binary)
- Over 225 built-in operations
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For students, engineers, scientists or people who fondly remember classic calculators, Halcyon Calc Lite is a great application for manipulating numbers and even symbolic expressions. Features: - Use this calculator on an iPhone, iPod Touch or an iPad - Use your finger to quickly scroll through the stack to review intermediate results - Copy and paste support - Over 225 built-in operations, including trig, logarithms, real functions, complex operations and more - Allows you to work with real, complex and integer numbers. - Real and complex numbers can be displayed in standard, fixed, scientific and engineering format - Integer numbers can be displayed in decimal, hexadecimal, octal and binary bases - Work with real and complex matrices and vectors - Enter symbolic expressions and solve them for different values. Even better, solve quadratic formulas, collect and expand factors and terms, find minima, maxima and roots of any expression. - Plot symbolic expressions in X/Y coordinates. Pan the coordinate space by dragging the plot in any direction. Zoom in and out using a pinch gesture. - Determine symbolic derivative, taylor series or numeric integral of an expression. - Store numbers, lists, strings and expressions in symbols. - Store statistical data and calculate totals, averages, standard deviations, linear regressions, etc over that data. - Calculate the probabilities associated with standard distributions like the normal, F and T distributions.
Simple Shell
This utility app offers a secure and efficient SSH client for iOS devices. It provides a cost-effective alternative for remote terminal access, based on an open-source project.
- SSH client functionality
- Mosh protocol support
- Remote terminal access
- Cost-effective alternative
- iOS compatibility
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This project is a clone of shell application for iOS by Nicolas Holzschuch, https://github.com/holzschu/blink It is created to provide lower cost version of the ssh client for iPhone and iPad with older iOS versions
Screenshots
Verdict
The clearest difference is review sentiment: Halcyon Calc Lite at 67% against Simple Shell's 0%. Halcyon Calc Lite also leads on price (Free vs $1.99) and update cadence (every 3 months vs every 40 months). Simple Shell's advantage is in-app purchases (none vs 3) and ads (none vs shown). On 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
Halcyon Calc Lite is free to download; Simple Shell costs $1.99 up front. Halcyon Calc Lite sells 3 one-off in-app purchases. Simple Shell asks for nothing beyond the download.
Simple Shell holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Halcyon Calc Lite has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 67% of Halcyon Calc Lite's written reviews are positive against 0% of Simple Shell's, so the app with the better star average is not the one people write more warmly about.
Halcyon Calc Lite ships an update every 3 months, Simple Shell every 40 months. Both last shipped on September 30, 2026.
| Parameter | Halcyon Calc Lite | Simple Shell |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.7 (15 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 66.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 15 — better | 1 |
| Update frequency | Every 3 months — better | Every 40 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Halcyon Touch Software | ASHER SYED |
Customer experience
Halcyon Calc Lite
Simple Shell
In-app purchases
Halcyon Calc Lite
- Directory And Unit Conversion Support$0.99
- Programming Support$1.99
- Larger Display Upgrade$1.99
Simple Shell
No in-app purchases
