# Xmart Calculator Pro vs PK10000

The clearest difference is price: PK10000 at Free against Xmart Calculator Pro's $5.99. PK10000 also leads on update cadence (every 3 weeks vs every 6 weeks). Xmart Calculator Pro's advantage is in-app purchases (none vs 4) and review sentiment (85% vs 55%). On rating and ads there is nothing between them.

PK10000 is free to download; Xmart Calculator Pro costs $5.99 up front. PK10000 sells 4 in-app purchases, starting at $0.99 per month. Xmart Calculator Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Xmart Calculator Pro against 4.3 for PK10000. That said, the two scores are not equally well evidenced: Xmart Calculator Pro has 153 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 85% of Xmart Calculator Pro's written reviews are positive against 55% of PK10000's.

Xmart Calculator Pro ships an update every 6 weeks, PK10000 every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Xmart Calculator Pro | PK10000 |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.4 (153 ratings)](https://appshunter.io/ios/app/xmart-calculator-pro/id827740598/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/pk10000-focus-timer/id6469668991/reviews) |
| Number of ratings | **153** | 6 |
| Positive reviews | **85.5% of reviews** | 54.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 13 MB | 56 MB |
| Requires iOS | **13.0** | 15.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XHLIU](https://appshunter.io/developer/460419472) | [正峰 蒋](https://appshunter.io/developer/1102407664) |

## What reviewers say

### Xmart Calculator Pro

[App page](https://appshunter.io/ios/app/xmart-calculator-pro/id827740598)

This app functions as an intelligent, programmable calculator that allows users to define custom algebraic functions. It provides instant results as expressions are updated and offers step-by-step calculation traceability. Users can save, recall, and share their calculation history.

**Highlights:** Define custom algebraic functions, Instant calculation results, Step-by-step calculation traceability, Save and recall calculation history, Configurable appearance (colors, fonts), Includes a mortgage calculator

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💾 History saving and recall functionality
- 👍 User-friendly and intuitive interface
- 🎨 Customizable colors and themes
- 💡 Custom function creation and storage
- 🚀 Fast and efficient calculations

**What reviewers complain about**

- 🐛 Glitches with equals button reuse
- 🐛 Preferences window opens unexpectedly
- 📱 iPad landscape-only orientation limitation
- 🐛 Percentage calculations don't work on-the-fly
- 🐛 Decimal multiplication errors (.15*.80)

**Reported bugs**

- Illegal character error when reusing equals button result
- Preferences dialog opens on equals button tap
- Save button disappeared in history feature
- Percentage key calculations malfunction
- Decimal multiplication errors

**Requested features**

- Fraction form results display
- RPN (Reverse Polish Notation) support
- Better iPad screen optimization
- Decimal input accepting '.2' as '0.2'
- Smart decimal place display


### PK10000

[App page](https://appshunter.io/ios/app/pk10000-focus-timer/id6469668991)

This app helps you achieve mastery through deliberate practice by tracking your progress towards long-term goals. It offers goal management, detailed statistics, and a Pomodoro timer to enhance focus and efficiency.

**Highlights:** Goal Management (100-10,000 hours), Tag Classification (12 categories), Data Statistics (daily, monthly, yearly), Pomodoro Timer (study/break sessions), Minimalist Interface, Subscription Plans

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annually | $3.99 | per year |
| Early Bird MemberShip | $2.99 | one-time |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Xmart Calculator Pro free?

Xmart Calculator Pro costs $5.99, with no in-app purchases.

### Is PK10000 free?

PK10000 is free to download, with in-app purchases available.

### Which has better reviews, Xmart Calculator Pro or PK10000?

Xmart Calculator Pro is rated higher. Xmart Calculator Pro averages 4.4 out of 5 from 153 ratings, while PK10000 averages 4.3 from 6 ratings.

### Do Xmart Calculator Pro or PK10000 have ads?

Neither Xmart Calculator Pro nor PK10000 shows ads.

### Which is updated more often, Xmart Calculator Pro or PK10000?

Xmart Calculator Pro ships an update every 6 weeks, and PK10000 every 3 weeks. Most recently, Xmart Calculator Pro was updated on October 29, 2026 and PK10000 on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*