# HitFit Pro vs STF Kronos

The clearest difference is rating: STF Kronos at 4.7 against HitFit Pro's 3.1. STF Kronos also leads on review sentiment (65% vs 23%) and in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. HitFit Pro sells 1 one-off in-app purchase. STF Kronos asks for nothing beyond the download.

STF Kronos holds the better App Store score, 4.7 against 3.1. Both are backed by a comparable volume of ratings — 9 and 9 respectively. Written reviews point the same way: 23% of HitFit Pro's written reviews are positive against 65% of STF Kronos's.

HitFit Pro ships an update every 6 weeks, STF Kronos every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HitFit Pro | STF Kronos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (9 ratings)](https://appshunter.io/ios/app/hitfit-pro/id1441640608/reviews) | **[4.7 (9 ratings)](https://appshunter.io/ios/app/stf-kronos/id1476804951/reviews)** |
| Number of ratings | 9 | 9 |
| Positive reviews | 23.1% of reviews | **64.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 110 MB | 230 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [嘉豪 余](https://appshunter.io/developer/1094145945) | [STUFFACTORY](https://appshunter.io/developer/1476804950) |

## What reviewers say

### HitFit Pro

[App page](https://appshunter.io/ios/app/hitfit-pro/id1441640608)

Track your daily activity, including steps, calories, and distance. Monitor your sleep patterns and heart rate. Log various sports modes and create personalized fitness plans. Stay connected with notification reminders.

**Highlights:** Pedometer for steps, calories, and distance, Sleep tracking and analysis, Heart rate monitoring, Multiple sport tracking modes, Customizable sport plans, Daily exercise tracking and sharing, Notification reminders

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Watchface | $0.99 | one-time |

**What reviewers like**

- 👍 Good personalization features
- 📊 Useful health tracking capabilities
- 🎨 Nice graphics and design
- ⚡ Works well when functioning properly
- 🔄 Improved functionality in recent versions

**What reviewers complain about**

- 🐛 Persistent connection and syncing issues
- 🌐 Frequent 'network abnormality' errors
- 📱 Poor app stability and crashes
- 🔐 Registration and login problems
- ⏱️ Inconsistent data syncing

**Reported bugs**

- Network abnormality error preventing signup/login
- App crashes on launch
- Watch won't connect or sync to app
- Chinese characters appearing in error messages
- Verification code issues and email validation problems

**Requested features**

- Mountain biking sport option
- Weightlifting and circuit training workouts
- Weather display on app and watch
- Theater/Do Not Disturb mode
- More professional watch faces (digital/analogue)


### STF Kronos

[App page](https://appshunter.io/ios/app/stf-kronos/id1476804951)

Sync your smartwatch to track sports performance, including hiking, cycling, and running. Monitor heart rate, steps, and sedentary periods. Access additional features based on your specific smartwatch model.

**Highlights:** Smartwatch synchronization, Sports performance monitoring, Heart rate tracking, Step counting, Sedentary period alerts, iOS Health App integration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HitFit Pro free?

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

### Is STF Kronos free?

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

### Which has better reviews, HitFit Pro or STF Kronos?

STF Kronos is rated higher. HitFit Pro averages 3.1 out of 5 from 9 ratings, while STF Kronos averages 4.7 from 9 ratings.

### Do HitFit Pro or STF Kronos have ads?

Neither HitFit Pro nor STF Kronos shows ads.

### Which is updated more often, HitFit Pro or STF Kronos?

HitFit Pro ships an update every 6 weeks, and STF Kronos every 2 months. Most recently, HitFit Pro was updated on November 2, 2026 and STF Kronos on November 3, 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.*