# FITTR ONE vs Upio

The clearest difference is in-app purchases: FITTR ONE at none against Upio's 2. Upio's advantage is update cadence (every 3 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Upio sells 2 in-app purchases, starting at $1.99 per month. FITTR ONE asks for nothing beyond the download.

FITTR ONE ships an update every 10 days, Upio every 3 days. The most recent releases landed on November 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FITTR ONE | Upio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (13 ratings)](https://appshunter.io/ios/app/fittr-one/id6473716474/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 73.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 272 MB | 22 MB |
| Requires iOS | **16.2** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [SQUATS](https://appshunter.io/developer/1281653475) | [Martin Kieliszek](https://appshunter.io/developer/1867463997) |

## What reviewers say

### FITTR ONE

[App page](https://appshunter.io/ios/app/fittr-one/id6473716474)

This smart ring and companion app monitor vital health parameters like heart rate, sleep, and SpO2. It provides detailed health data, expert advice, and integrates with a large online fitness community to help users improve their well-being.

**Highlights:** Vital health parameter monitoring, Detailed fitness metric tracking, Expert advice for improvement, Sleep stage analysis, Heart rate and SpO2 tracking, Stress and skin temperature monitoring, Women's health tracking

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Sleek and comfortable design
- 📊 Impressive data tracking capabilities
- 💡 Clear and actionable insights
- 📱 User-friendly app interface
- 🔋 Long battery life

**What reviewers complain about**

- 🐛 Buggy activity tracking
- 🐛 Report generation fails
- 🐛 Syncing issues
- 🐛 App can be slow or stutter
- 🐛 Login issues

**Reported bugs**

- Activity report generation fails after workouts
- Activity tracking is inaccurate, especially during runs and gym workouts
- App has syncing issues, requires ring to be close to phone
- App randomly logs out
- Charging issues with the ring

**Requested features**

- Improve activity tracking accuracy
- Enhance integration with Apple Health
- Option to hide or remove unused app sections (e.g., Nutrition)
- Allow adding activities after they are completed
- Display activities in a list format (e.g., walking - 23 min)


### Upio

[App page](https://appshunter.io/ios/app/upio/id6757529696)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annual | $19.99 | per year |


## Frequently asked questions

### Is FITTR ONE free?

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

### Is Upio free?

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

### Do FITTR ONE or Upio have ads?

Neither FITTR ONE nor Upio shows ads.

### Which is updated more often, FITTR ONE or Upio?

FITTR ONE ships an update every 10 days, and Upio every 3 days. Most recently, FITTR ONE was updated on November 8, 2026 and Upio on October 25, 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.*