# Zepp vs Fastrack Reflex Vox

The clearest difference is rating: Zepp at 4.6 against Fastrack Reflex Vox's 1.7. Zepp also leads on review sentiment (46% vs 15%) and update cadence (weekly vs every 4 months). Fastrack Reflex Vox's advantage is in-app purchases (none vs 18) and iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Zepp sells 15 in-app purchases, starting at $3.99 per month. Fastrack Reflex Vox asks for nothing beyond the download.

Zepp holds the better App Store score, 4.6 against 1.7. That said, the two scores are not equally well evidenced: Zepp has 82K ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 46% of Zepp's written reviews are positive against 15% of Fastrack Reflex Vox's.

Zepp ships an update weekly, Fastrack Reflex Vox every 4 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Zepp | Fastrack Reflex Vox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (82K ratings)](https://appshunter.io/ios/app/zepp/id1127269366/reviews)** | [1.7 (30 ratings)](https://appshunter.io/ios/app/fastrack-reflex-vox/id1590126291/reviews) |
| Number of ratings | **82K** | 30 |
| Positive reviews | **46.4% of reviews** | 15.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 510 MB | 145 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zepp Inc.](https://appshunter.io/developer/938688460) | [Titan Company Limited](https://appshunter.io/developer/964406127) |

## What reviewers say

### Zepp

[App page](https://appshunter.io/ios/app/zepp/id1127269366)

Track your workouts, health metrics, and nutrition with this comprehensive fitness app. It offers AI-powered coaching, detailed sleep analysis, and heart health monitoring. Customize your smartwatch experience and enjoy robust data security.

**Highlights:** Track macros via photo or manual entry, Monitor heart rate, sleep, stress, and SpO2, Analyze daily activity and advanced training data, Detailed sleep stage and recovery analysis, Customize Amazfit watch faces and mini apps, AI-powered wellness coaching

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zepp Fitness - monthly | $3.99 | per month |
| Monthly, 7-Day Free Trial | $9.99 | per month |
| Yearly, 14-Day Free Trial | $12.99 | per year |
| Yearly, 14 Day Free Trial | $29.99 | per year |
| Yearly Plan, 14-Day Free Trial | $34.99 | per year |
| Yearly Plan, 30-Day Free Trial | $39.99 | per year |
| Yearly Plan, 14-Day Free Trial | $39.99 | per year |
| Zepp Aura Premium - yearly | $49.99 | per year |
| Yearly Plan, 90-Day Free Trial | $49.99 | per year |
| Yearly Plan, 14-Day Free Trial | $49.99 | per year |
| watchface | $0.99 | one-time |
| miniprogram_level_2 | $1.99 | one-time |
| watchface | $1.99 | one-time |
| watchface | $2.99 | one-time |
| watchface | $3.99 | one-time |

**What reviewers like**

- 🚀 Detailed sleep analysis
- 🚀 Comprehensive fitness tracking
- 🚀 Great battery life
- 👍 Comfortable and durable watch design

**What reviewers complain about**

- 🐛 Inconsistent sleep tracking
- 🐛 GPS issues during workouts
- 🐛 Sync and connectivity problems
- 🔋 Drains battery quickly with certain features
- 👎 Confusing and cluttered app interface

**Reported bugs**

- App crashes after recent updates
- Inaccurate heart rate and activity tracking
- Syncing issues leading to data loss

**Requested features**

- Add more watch face customization options
- Integrate with more third-party apps (e.g. Strava, Apple Health)
- Improve notification handling and customization
- Add water sports tracking mode


### Fastrack Reflex Vox

[App page](https://appshunter.io/ios/app/fastrack-reflex-vox/id1590126291)

This app syncs with compatible smartwatches to track daily activity, heart rate, SpO2, and sleep patterns. It offers customizable notifications, female health tracking, and smart features like Alexa integration and music control.

**Highlights:** Activity and progress tracking, Heart rate and SpO2 monitoring, Sleep quality analysis, Customizable app notifications, Female health tracking, Smart features (Alexa, music control), Sedentary and hydration reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is Zepp free?

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

### Is Fastrack Reflex Vox free?

Fastrack Reflex Vox is free to download, with no in-app purchases.

### Which has better reviews, Zepp or Fastrack Reflex Vox?

Zepp is rated higher. Zepp averages 4.6 out of 5 from 82K ratings, while Fastrack Reflex Vox averages 1.7 from 30 ratings.

### Do Zepp or Fastrack Reflex Vox have ads?

Neither Zepp nor Fastrack Reflex Vox shows ads.

### Which is updated more often, Zepp or Fastrack Reflex Vox?

Zepp ships an update weekly, and Fastrack Reflex Vox every 4 months. Most recently, Zepp was updated on October 14, 2026 and Fastrack Reflex Vox on October 8, 2026.

---

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