# FitDay 青橙健身小助手 vs XE Calculator Pro

The clearest difference is rating: XE Calculator Pro at 5.0 against FitDay 青橙健身小助手's 3.5. FitDay 青橙健身小助手's advantage is in-app purchases (none vs 3) and update cadence (daily vs monthly). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. XE Calculator Pro sells 3 in-app purchases, starting at $0.99 per 7 days. FitDay 青橙健身小助手 asks for nothing beyond the download.

XE Calculator Pro holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

FitDay 青橙健身小助手 ships an update daily, XE Calculator Pro monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | FitDay 青橙健身小助手 | XE Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/fitday/id1481297315/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/xe-calculator-pro/id1643883409/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Monetization | **Free** | Freemium |
| Size | 6 MB | 102 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [北京青橙信息技术有限公司](https://appshunter.io/developer/1053738508) | [荣佳 杨](https://appshunter.io/developer/1659558087) |

## What reviewers say

### FitDay 青橙健身小助手

[App page](https://appshunter.io/ios/app/fitday/id1481297315)

This app serves as a fitness companion for members, offering features like QR code check-ins, class booking history, and training group functionalities. It integrates with HealthKit to track workout calories and heart rate, promoting an ideal fitness lifestyle.

**Highlights:** QR code gym check-in, Class booking history, Training group creation, HealthKit integration for calorie/heart rate tracking, Late arrival notifications

**In-app purchases:** none


### XE Calculator Pro

[App page](https://appshunter.io/ios/app/xe-calculator-pro/id1643883409)

This app is an AI-powered math and productivity assistant offering standard, scientific, and graphing calculators. It includes an AI tutor for problem-solving, a history manager, and various utility tools for everyday tasks and professional use.

**Highlights:** AI Math Assistant with step-by-step explanations, Standard, Scientific, and Function Graphing calculators, Smart calculation history with notes and sharing, Utility toolbox with loan, tax, and unit conversion tools, Customizable themes and regional voice playback, Dual keyboard modes for simple and advanced calculations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe to Pro weekly | $0.99 | per 7 days |
| Subscribe to Pro monthly | $2.99 | per month |
| Subscribe to Pro annually | $24.99 | per year |


## Frequently asked questions

### Is FitDay 青橙健身小助手 free?

FitDay 青橙健身小助手 is free to download, with no in-app purchases.

### Is XE Calculator Pro free?

XE Calculator Pro is free to download, with in-app purchases available.

### Which has better reviews, FitDay 青橙健身小助手 or XE Calculator Pro?

XE Calculator Pro is rated higher. FitDay 青橙健身小助手 averages 3.5 out of 5 from 2 ratings, while XE Calculator Pro averages 5.0 from 1 ratings.

### Do FitDay 青橙健身小助手 or XE Calculator Pro have ads?

Neither FitDay 青橙健身小助手 nor XE Calculator Pro shows ads.

### Which is updated more often, FitDay 青橙健身小助手 or XE Calculator Pro?

FitDay 青橙健身小助手 ships an update daily, and XE Calculator Pro monthly. Most recently, FitDay 青橙健身小助手 was updated on October 24, 2026 and XE Calculator Pro on October 24, 2026.

---

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