# iCardio Workout Tracker vs SFB | APP

The clearest difference is in-app purchases: SFB | APP at none against iCardio Workout Tracker's 4. SFB | APP also leads on iOS requirement (15.6 vs 17.6). iCardio Workout Tracker's advantage is update cadence (every 11 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. iCardio Workout Tracker sells 4 in-app purchases, starting at $4.99 per month. SFB | APP asks for nothing beyond the download.

iCardio Workout Tracker ships an update every 11 days, SFB | APP every 2 months. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | iCardio Workout Tracker | SFB | APP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.4K ratings)](https://appshunter.io/ios/app/icardio-workout-tracker/id314841648/reviews)** | — |
| Number of ratings | **3.4K** | — |
| Positive reviews | 63.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 87 MB | 38 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fitdigits Inc](https://appshunter.io/developer/1126857444) | [Xeniasoft SRL](https://appshunter.io/developer/968029343) |

## What reviewers say

### iCardio Workout Tracker

[App page](https://appshunter.io/ios/app/icardio-workout-tracker/id314841648)

This app helps you train smarter using heart rate data. It tracks workouts, provides real-time feedback, and syncs with other health apps and devices for comprehensive fitness monitoring.

**Highlights:** Heart rate zone tracking, GPS route mapping, Voice coaching, Apple Health integration, LiveTracking for sharing, Customizable workout screens

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Star Monthly | $4.99 | per month |
| Pro Plus | $24.99 | per year |
| Star | $29.99 | per year |
| Plus | $6.99 | one-time |

**What reviewers like**

- 👍 Great app
- 🚀 Accurate tracking
- 💡 Customizable screens
- 🚀 Reliable connection
- 👍 Motivating

**What reviewers complain about**

- 🐛 Crashes and sync issues
- 🔋 Battery drain
- 🔒 Subscription model
- 🐛 Inconsistent performance
- 🐛 Sensor connection problems

**Reported bugs**

- Garmin ANT+ connectivity issues
- Incorrect calorie/distance tracking
- Unreliable heart rate monitoring

**Requested features**

- Lap/split time tracking
- Multi-user profiles
- Treadmill/elliptical integration
- More customization options
- Improved Apple Watch integration


### SFB | APP

[App page](https://appshunter.io/ios/app/sfb-app/id1526461799)

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

**In-app purchases:** none


## Frequently asked questions

### Is iCardio Workout Tracker free?

iCardio Workout Tracker is free to download, with in-app purchases available.

### Is SFB | APP free?

SFB | APP is free to download, with no in-app purchases.

### Do iCardio Workout Tracker or SFB | APP have ads?

Neither iCardio Workout Tracker nor SFB | APP shows ads.

### Which is updated more often, iCardio Workout Tracker or SFB | APP?

iCardio Workout Tracker ships an update every 11 days, and SFB | APP every 2 months. Most recently, iCardio Workout Tracker was updated on November 10, 2026 and SFB | APP on November 7, 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.*