Halcyon Calc vs HamsterBase Tasks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Halcyon Calc
A powerful calculator app for students, engineers, and scientists. It handles complex numbers, symbolic expressions, unit conversions, and matrix operations, with advanced plotting and programming capabilities.
- Complex number calculations
- Symbolic expression manipulation
- Unit conversion with custom units
- Matrix and vector operations
- Symbolic plotting
- Programming of custom operations
- Statistical data analysis
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For students, engineers, scientists or people who fondly remember classic calculators, Halcyon Calc 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 - Use over 120 built-in units to perform unit conversion or create your own units if the one you want is not already there - 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. Create hierarchies of symbols to allow you to organize your calculations. - Create sequences of calculator commands into programs, creating your own operations which you can then include in expressions. - 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.
HamsterBase Tasks
This app helps you plan projects effectively by organizing them into areas and breaking down large goals into smaller, manageable tasks. It allows you to set future start dates for tasks, keeping your workspace clutter-free until they are relevant. Core features are free, with an optional paid cloud sync.
- Organize projects by areas
- Break down projects into collapsible sections
- Set future start dates for tasks
- Automatic hiding of completed projects
- Core features are free
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We believe less is more. Instead of cramming in trendy features like habit tracking or Pomodoro timers, we focus on what really matters: helping you plan projects effectively. Why You'll Love It: - Organize by Areas Group projects into categories like Work, Life, or Personal—so everything stays neatly sorted. - Projects > Checklists Break big goals into smaller tasks with collapsible sections. Finished projects? They automatically hide to keep your space clean. - Start Dates Matter Set a future start time for tasks, and they'll stay out of sight until they're actually relevant. No distractions! Best part? All core features are 100% free—only cloud sync is paid. No upsells, no bloat.
Screenshots
Verdict
The clearest difference is price: HamsterBase Tasks at Free against Halcyon Calc's $4.99. HamsterBase Tasks also leads on update cadence (every 6 weeks vs every 4 months) and iOS requirement (14.0 vs 16.6). Halcyon Calc's advantage is in-app purchases (none vs 1) and ratings volume (18 vs 1). On rating, 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
HamsterBase Tasks is free to download; Halcyon Calc costs $4.99 up front. HamsterBase Tasks sells 1 one-off in-app purchase. Halcyon Calc asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Halcyon Calc against 5.0 for HamsterBase Tasks. That said, the two scores are not equally well evidenced: Halcyon Calc has 18 ratings behind it against 1, so its average is the more settled of the two.
Halcyon Calc ships an update every 4 months, HamsterBase Tasks every 6 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | Halcyon Calc | HamsterBase Tasks |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.9 (18 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 18 — better | 1 |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 23 MB |
| Age rating | 4+ | 12+ |
| Developer | Halcyon Touch Software | 纯洁 林 |
In-app purchases
Halcyon Calc
No in-app purchases
HamsterBase Tasks
- HamsterBase Cloud Pro 1 Year$19.99









