# Fitdays+ vs Oxiline

The clearest difference is rating: Fitdays+ at 4.4 against Oxiline's 4.1. Fitdays+ also leads on device support (3 vs 1). Oxiline's advantage is ratings volume (7K vs 839). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fitdays+ holds the better App Store score, 4.4 against 4.1. That said, the two scores are not equally well evidenced: Oxiline has 7K ratings behind it against 839, so its average is the more settled of the two. Written reviews point the same way: 16% of Fitdays+'s written reviews are positive against 14% of Oxiline's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fitdays+ | Oxiline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (839 ratings)](https://appshunter.io/ios/app/fitdays-plus/id1614587585/reviews)** | [4.1 (7K ratings)](https://appshunter.io/ios/app/oxiline/id6471374567/reviews) |
| Number of ratings | 839 | **7K** |
| Positive reviews | **15.8% of reviews** | 14.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 134 MB | 107 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [GUANGDONG ICOMON TECHNOLOGY CO., LTD](https://appshunter.io/developer/1359710025) | [Oxiline LLC](https://appshunter.io/developer/1715190779) |

## What reviewers say

### Fitdays+

[App page](https://appshunter.io/ios/app/fitdays-plus/id1614587585)

This app serves as a central hub for multiple smart health monitoring devices. It provides detailed nutritional analysis, body measurements, and fitness tracking to guide users toward a healthier lifestyle and professional health management.

**Highlights:** Multi-device support, Nutritional analysis, Body girth measurement, Height tracking, Accuracy statistics, Family health monitoring

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

**In-app purchases:** none

**What reviewers like**

- ⭐ Accurate and consistent measurements
- 🔍 Helpful data tracking and analysis
- 👍 Clean and modern device design

**What reviewers complain about**

- 🐛 Buggy and unreliable app performance
- 🔍 Limited data tracking and visualization
- 🔑 Login and account issues
- 🤖 Poor integration with third-party apps

**Reported bugs**

- Incorrect weight and body metric readings
- App crashes and data loss
- Barcode scanning and food database issues
- Bluetooth connectivity problems

**Requested features**

- Improved data syncing and historical trending
- More comprehensive body composition analysis
- Seamless multi-user support
- Better Apple Health integration


### Oxiline

[App page](https://appshunter.io/ios/app/oxiline/id6471374567)

This app connects to health devices to visualize, track, and export your health measurements. It provides real-time data visualization and a comprehensive overview of your health metrics, helping you monitor progress and share data with healthcare providers.

**Highlights:** Bluetooth device integration, Real-time data visualization, Comprehensive health overview, Data export for healthcare providers, Progress tracking over time, Secure and private data storage

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate device
- 👍 Easy to use
- 💡 Helpful charting and data logging

**What reviewers complain about**

- 🐛 Connectivity issues with app
- 🐛 Unreliable data sync
- 🐛 Buggy app performance
- 🔒 Lack of Apple Health integration

**Reported bugs**

- App crashes frequently
- Bluetooth connection drops unexpectedly
- Historical data not syncing to app
- Incorrect time zone and date display in charts

**Requested features**

- Add ability to switch between mg/dL and mmol/L
- Allow adding custom notes to readings
- Improve app UI and navigation
- Enhance data export and sharing options


## Frequently asked questions

### Is Fitdays+ free?

Fitdays+ is free to download, with no in-app purchases.

### Is Oxiline free?

Oxiline is free to download, with no in-app purchases.

### Which has better reviews, Fitdays+ or Oxiline?

Fitdays+ is rated higher. Fitdays+ averages 4.4 out of 5 from 839 ratings, while Oxiline averages 4.1 from 7K ratings.

### Do Fitdays+ or Oxiline have ads?

Neither Fitdays+ nor Oxiline shows ads.

### Which is updated more often, Fitdays+ or Oxiline?

Fitdays+ ships an update every 3 weeks, and Oxiline every 3 weeks. Most recently, Fitdays+ was updated on October 30, 2026 and Oxiline on October 31, 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.*