Calculator Easy HD vs Boyoyon Sim.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator Easy HD
This app offers a user-friendly calculator experience with a focus on ease of use. It features a live voice input, an ergonomic layout with large keys, and a usage history for quick reference. Results can be easily copied or emailed.
- Live voice calculator
- Ergonomic key layout
- Extra large '+' key
- Usage record
- Copy & send results
- Dark Mode support
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- Live voice calculator - Ergonomic key layout - Extra large "+" key - Backspace key - Nice Key sound - Usage Record - Copy & Send the result by e-mail - Retina display (all iPad & iPhone) - Support Dark Mode Calculator Easy HD URL scheme: HCCalculatorEasy://
Boyoyon Sim.
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This app lets you easily simulate Boing Wall throw patterns right on your device. Recreate room size and wall placement to list valid throws (start position and direction) and visualize their trajectories. ＜Features＞ Easy wall setup: Place walls with tap/drag, switch paint modes, and bulk clear/fill interior areas Clear results: Display trajectories on a grid with direction filters, sorting, and “returns to feet only” filtering Safer testing: Option to exclude patterns where items leave the room Smooth controls: Pinch-to-zoom and a mobile-friendly UI Disclaimer: This app is an unofficial simulator and is not affiliated with any specific work or company.
Screenshots
Verdict
The clearest difference is price: Boyoyon Sim. at Free against Calculator Easy HD's $0.99. Boyoyon Sim. also leads on in-app purchases (none vs 7) and update cadence (every 3 weeks vs every 6 weeks). Calculator Easy HD's advantage is ads (none vs shown) and device support (4 vs 2).
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Boyoyon Sim. is free to download; Calculator Easy HD costs $0.99 up front. Calculator Easy HD sells 7 one-off in-app purchases. Boyoyon Sim. asks for nothing beyond the download.
Calculator Easy HD ships an update every 6 weeks, Boyoyon Sim. every 3 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Calculator Easy HD | Boyoyon Sim. |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.8 (1.2K ratings) — better | — |
| Positive reviews | 94.3% of reviews | — |
| Number of ratings | 1.2K — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 56 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | 良峰 侯 | Shusuke Hashimoto |
Bugs and requests
Calculator Easy HD
Reported bugs
3 issues- Unable to update app to latest version
- Buttons not responding after clearing entries
- Calculations not displaying properly
Requested features
4 requests- Add scientific calculator functions
- Improve editing capabilities for incorrect entries
- Provide more customization options
- Implement a dark mode theme
Boyoyon Sim.
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator Easy HD
- Fashion Theme Pack 1$0.99
- Season Theme Pack 1$0.99
- Fashion Theme Pack 2$0.99
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- Festivals Theme Pack 1$0.99
- Bird Theme Pack 1$0.99
- Fashion Theme Pack 3$0.99
- Insects Theme Pack 1$0.99
Boyoyon Sim.
No in-app purchases
Questions
Is Calculator Easy HD free?
Is Boyoyon Sim. free?
Do Calculator Easy HD or Boyoyon Sim. have ads?
Which is updated more often, Calculator Easy HD or Boyoyon Sim.?
Other comparisons
