Calculator⁻ vs Drastic Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator⁻
A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.
- Basic arithmetic operations
- Percentage calculations
- Record and recall results
- Customizable colors
- Touch sound option
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It is a simple and easy calculator. It is a simple calculator with no complex functions at all. Features: Addition, subtraction, multiplication, division, percent operation Recording and recalling calculation results The numbers, operators, parentheses, results Custom colors Use touch sound Very useful for school children
Drastic Calc
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Drastic Calc brings the excitement of retro games to your daily calculations! Why just calculate when you can play? Experience the satisfying "click" and "bang" with every tap. 【Features】 • Authentic Retro Design: Classic 80s calculator aesthetic with solar panel styling. • Dynamic Sound Themes: Choose from Gunshot, Explosion, 8-bit Game sounds, and more. • Satisfying Feedback: Every button press feels like a game action. • Simple & Useful: Fully functional standard calculator for your daily needs. 【Sound Themes Include】 - Gunshot - Explosion - Retro Game (8-bit) - And more! Make your calculations drastic and fun!
Screenshots
Verdict
The clearest difference is update cadence: Drastic Calc at weekly against Calculator⁻'s every 2 months. Calculator⁻'s advantage is iOS requirement (13.0 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Calculator⁻ ships an update every 2 months, Drastic Calc weekly. The most recent releases landed on October 18, 2026 and October 1, 2026 respectively.
| Parameter | Calculator⁻ | Drastic Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (3.6K ratings) — better | — |
| Positive reviews | 52.0% of reviews | — |
| Number of ratings | 3.6K — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 15 MB |
| Age rating | 4+ | 9+ |
| Developer | UniCom Technology | Tatsuro Furuya |
Bugs and requests
Calculator⁻
Reported bugs
3 issues- Decimal point problem: .5 becomes 5
- Button that should be 7 shows as 9 and gives 9 when used
- Percentage button does not work correctly
Requested features
3 requests- Backspace button
- Percentage button that works properly
- Arrange buttons in standard calculator layout
Drastic Calc
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator⁻
No in-app purchases
Drastic Calc
No in-app purchases
Questions
Is Calculator⁻ free?
Is Drastic Calc free?
Do Calculator⁻ or Drastic Calc have ads?
Which is updated more often, Calculator⁻ or Drastic Calc?
Other comparisons
