Calc vs 1000digit Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calc
This app offers a high-precision scientific calculator with over 50 digits of accuracy. It supports advanced mathematical functions, complex arithmetic, and programmable features for derivatives, integrals, and root finding.
- High-precision calculations (50+ digits)
- Extensive mathematical functions
- Programmable features
- Complex arithmetic
- Graphing capabilities
- Derivative and integral calculation
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Calc-50 is a high-precision scientific graphing RPN calculator. It carries over 50 digits of accuracy and has a large number of mathematical functions, including trig and hyperbolic functions and their inverses, and math special functions such as gamma, beta, psi, exponential integral, sine, cosine, and log integrals, Bessel functions, and more. It is programmable, with functions that take user functions and find derivatives, integrals, function max/min, and roots. Calc-50 also provides complex arithmetic and elementary functions.
1000digit Calc
Perform arithmetic operations on integers up to 1,000 digits. Supports parentheses for complex calculations and automatically saves results to the clipboard for easy reuse in other applications.
- 1,000-digit integer calculations
- Parentheses support for formula order
- Automatic clipboard saving of results
- Four basic arithmetic operations
- Cross-application result reuse
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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.
Screenshots
Verdict
The clearest difference is rating: 1000digit Calc at 5.0 against Calc's 3.7. 1000digit Calc also leads on update cadence (weekly vs every 10 months). Calc's advantage is ratings volume (3 vs 1) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Calc ships an update every 10 months, 1000digit Calc weekly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Calc | 1000digit Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 10 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 38 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | David Smith | Yukihiro Shioya |
In-app purchases
Calc
No in-app purchases
1000digit Calc
No in-app purchases
