X CalcKits vs Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
X CalcKits
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This newly developed multi-functional calculator breaks the limitations of traditional calculators that only support basic four arithmetic operations. It integrates a full range of practical functions including scientific calculation, unit conversion, numeral system conversion, mortgage/personal income tax estimation, and real-time exchange rate calculation.
Calculator
This portable computing assistant offers both basic and scientific calculations with a clean interface. It features a history log, currency and unit conversion, and a unique photo-based problem solver. Enjoy an ad-free experience for all your calculation needs.
- Basic and scientific calculations
- Calculation history log
- Currency and unit conversion
- Photo math problem solver
- Ad-free experience
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Simple and efficient, your portable computing assistant A smart calculator designed specifically for iOS users that combines basic calculations with practical functions. The interface is simple and intuitive, and the operation is smooth and seamless. Whether it's daily shopping calculations, work data calculations, or student homework calculations, it can easily handle them, making calculations more efficient and convenient! Core Features Highlights *Accurate and fast basic calculations: supports basic operations such as addition, subtraction, multiplication, division, percentages, decimal points, etc., with fast input response and accurate calculation results, meeting various daily basic calculation needs. *Expanded support for scientific computing: Built in trigonometric functions (sin/cos/tan), logarithms (log/ln), square roots, power operations and other scientific computing functions, suitable for complex computing scenarios in student learning and professional work. *Clear History Record: Automatically saves the calculation process and results, making the history record clear at a glance. Supports one click clearing, making it easy to trace back the calculation steps and avoiding duplicate input. *Ad free and pure experience: No pop-up ads or push interference throughout the entire process, focusing on computing functions, bringing you a refreshing user experience. *Exchange rate conversion: Provide the latest exchange rates and real-time currency conversion. *Unit Conversion: Multiple unit conversions for length, area, and volume. *Photo Q&A: When encountering a problem that you don't know, you can get the answer by taking a photo and analyze and solve the difficult problem. 1. Payment: The user deducts the payment through their iTunes account and makes the payment upon confirmation of the purchase 2. Renewal: The user's iTunes account will be charged within 24 hours before expiration, increasing the corresponding subscription period 3. Cancel Renewal: To cancel the renewal, go to "iTunes Store and App Store" ->click on "App ID", enter the "Account Settings" page, click on "Subscription", and select "Cancel Subscription" 4.Privacy Policy: https://docs.google.com/document/d/1ghPoJCDEIL-ulLKKRGZnAT3ElLHnrByBVNcNk1-4KZw/edit?usp=sharing 5. Terms of Use: https://docs.google.com/document/d/1T0xcbyYZdcv3c67krI91k-GHwHbOz6oPvm3Aje8LNXo/edit?usp=sharing
Screenshots
Verdict
The clearest difference is in-app purchases: X CalcKits at none against Calculator's 3. Calculator's advantage is ads (none vs shown) and update cadence (monthly vs every 4 months). On price, device support and iOS requirement 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. Calculator sells 3 in-app purchases, starting at $6.00 per 7 days. X CalcKits asks for nothing beyond the download.
X CalcKits ships an update every 4 months, Calculator monthly. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.
| Parameter | X CalcKits | Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 31 MB | 48 MB |
| Age rating | 4+ | 9+ |
| Developer | Singxi Limited | 欣博 周 |
In-app purchases
X CalcKits
No in-app purchases
Calculator
- Weekly Member3 Days trial$6.007 Days
- Monthly Membership$12.00
- annual membership$28.00









