KetaKeta vs Max Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KetaKeta
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KetaKeta is a simple multiple length arithmetic calculator with Flat UI. Features - Swipe left or right on screen to switch the themes. KetaKeta shipped with 6 color themes - Swipe down on screen to copy the displaying number to the pasteboard - Swipd up on screen to copy the number from the pasteboard - You can open this app by ketaketa: URL scheme
Max Calc
This app offers a versatile calculation suite, combining standard, scientific, developer, and accounting functions. It also includes a unit converter and tools for health and date calculations, all within a user-friendly interface.
- Standard and Scientific Calculator
- Developer Calculator (hex, binary)
- Accounting Calculator
- 130+ Unit Converter
- Body and Date/Time Calculator
- History tracking
- Customizable result formatting
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Max Calc: Your All-in-One Calculator App Max Calc is more than just a calculator; it's a comprehensive toolset designed to simplify your calculations across various domains. With its six-in-one functionality, you can effortlessly handle everything from basic arithmetic to complex scientific computations, developer-specific tasks, financial calculations, unit conversions, and even personal health metrics. Key features include: * Standard and Scientific Calculator: Perform basic and advanced calculations with ease. * Developer Calculator: Work with hexadecimal, binary, and 7-64 bit numbers, along with integer/real number CPU representation and signed/unsigned arithmetic. * Accounting Calculator: Tackle financial calculations with dedicated functions. * 130+ Unit Converter: Convert between various units of measurement effortlessly. * Body and Date/Time Calculator: Calculate BMI, age, and more. Max Calc is designed with simplicity in mind, providing a user-friendly interface without compromising on functionality. Enjoy features like memory storage, history tracking, customizable result formatting, and more.
Screenshots
Verdict
The clearest difference is in-app purchases: KetaKeta at none against Max Calc's 2. KetaKeta also leads on iOS requirement (15.6 vs 17.0). Max Calc's advantage is update cadence (every 9 days vs every 34 months). On price, ads 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. Max Calc sells 2 one-off in-app purchases. KetaKeta asks for nothing beyond the download.
KetaKeta ships an update every 34 months, Max Calc every 9 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | KetaKeta | Max Calc |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 34 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Masanori Mikawa | Anatolii Mazkun |
In-app purchases
KetaKeta
No in-app purchases
Max Calc
- 5 days Free Using All PremiumFree
- Premium features$4.99









