1000digit Calc vs Calculator 4U
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
1000digit Calc
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This is a calculator that can perform four arithmetic operations on integers up to about 1,000 digits. You can use parentheses in formulas, so you can calculate in the same order as in the formula. Calculation results are saved to the clipboard each time, so they can be reused in other applications.
Calculator 4U
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Experience the perfect blend of style and substance with our sleek, modern calculator. Designed for speed, accuracy, and ease of use, it handles everyday math as well as advanced calculations—making it ideal for students, professionals, and anyone who loves a beautiful, powerful tool. Key Features: • Modern Interface: Enjoy a visually appealing design with smooth gradients and rounded buttons for a stress-free user experience. • Advanced Math Tools: Perform complex operations (addition, subtraction, multiplication, division, and more) with complete precision. • History Tracking: Quickly revisit previous calculations. Swipe through, rewind, or fast-forward your history, so you never lose track of important results. • Fast Load & Haptic Feedback: Dive straight into calculations without delay. Optional sound effects make button presses feel satisfying. • Intuitive Controls: Toggle signs, use percentages, or clear the entire display with a tap. • Optimized for All Devices: Whether you’re on an iPhone or iPad, portrait or landscape, the layout adapts beautifully to your screen. Discover a calculator that not only looks good but also delivers every feature you need—right at your fingertips. Download now and see the difference!
Screenshots
Verdict
The clearest difference is update cadence: 1000digit Calc at weekly against Calculator 4U's every 3 weeks. 1000digit Calc also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.2). On price, ads and in-app purchases 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.
1000digit Calc ships an update weekly, Calculator 4U every 3 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.
| Parameter | 1000digit Calc | Calculator 4U |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 5 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Yukihiro Shioya | Naseer Mohammed |
In-app purchases
1000digit Calc
No in-app purchases
Calculator 4U
No in-app purchases
Questions
Is 1000digit Calc free?
Is Calculator 4U free?
Do 1000digit Calc or Calculator 4U have ads?
Which is updated more often, 1000digit Calc or Calculator 4U?
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