Calculator HD+ Pro vs CalcuSum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator HD+ Pro
This app offers a high-precision calculation engine with a user-friendly interface. It allows for real-time formula display, multiple undo options, and workspace switching. Advanced features include persistent history, specialized keypads, and AirPrint compatibility.
- High precision engine
- Result displayed while typing
- Multiple undo
- Switch between workspaces
- Persistent history
- Specialized keypad
- AirPrint support
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- It is simple, easy to use and well designed - High precision engine - Result is displayed while typing the formula - Multiple undo - Switch between workspaces ! - Persistent history - Specialized keypad for iPhone and iPad - Supports bluetooth keyboard - Right or left-handed mode - Print easily with AirPrint - Share history by e-mail The PRO version has the following advantages: - more workspaces - no advertising
CalcuSum
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Investing is simple. Staying invested is not. CalcuSum helps you calculate and visualise index investment returns through dollar-cost averaging. Track your investments across major indices — S&P 500, NASDAQ, Dow Jones, and Hang Seng — with decades of historical data and intuitive charts. Pick an index. Set a timeframe. See what disciplined investing actually delivers. WHAT YOU CAN DO · Calculate returns across multiple major indices with real historical data · Simulate dollar-cost averaging strategies over custom timeframes · Compare investment strategies side by side · Study market recoveries and downturns · Track your portfolio progress over time · Journal your investment thinking and decisions BUILT FOR THE LONG GAME No predictions. No hype. Just data, clarity, and the quiet confidence that comes with knowing your numbers.
Screenshots
Verdict
The clearest difference is price: CalcuSum at Free against Calculator HD+ Pro's $3.99. Calculator HD+ Pro's advantage is update cadence (every 3 weeks vs every 12 months) and iOS requirement (10.0 vs 15.1). On 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
CalcuSum is free to download; Calculator HD+ Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calculator HD+ Pro ships an update every 3 weeks, CalcuSum every 12 months. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.
| Parameter | Calculator HD+ Pro | CalcuSum |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.8 (99 ratings) — better | — |
| Positive reviews | 89.9% of reviews | — |
| Number of ratings | 99 — better | — |
| Update frequency | Every 3 weeks — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 31 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | smalltech sarl | POSHIM LLC |
Bugs and requests
Calculator HD+ Pro
Reported bugs
3 issues- Calculation history not always accurate
- Music playback issues when app is opened
- Location permission request not necessary
Requested features
4 requests- Customizable decimal places
- Memory function
- Conversion tools
- Ability to sync across devices
CalcuSum
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator HD+ Pro
No in-app purchases
CalcuSum
No in-app purchases
Questions
Is Calculator HD+ Pro free?
Is CalcuSum free?
Do Calculator HD+ Pro or CalcuSum have ads?
Which is updated more often, Calculator HD+ Pro or CalcuSum?
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