# 4iiii vs FITIV Pulse

The clearest difference is review sentiment: FITIV Pulse at 76% against 4iiii's 11%. FITIV Pulse also leads on update cadence (fortnightly vs every 3 months). 4iiii's advantage is in-app purchases (none vs 10). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. FITIV Pulse sells 9 in-app purchases, starting at $1.99 per month. 4iiii asks for nothing beyond the download.

4iiii ships an update every 3 months, FITIV Pulse fortnightly. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 4iiii | FITIV Pulse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (13K ratings)](https://appshunter.io/ios/app/fitiv-pulse-workout-tracker/id942494517/reviews)** |
| Number of ratings | — | **13K** |
| Positive reviews | 10.9% of reviews | **75.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 70 MB | 496 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [4iiii Innovations Inc.](https://appshunter.io/developer/600704392) | [MotiFIT Fitness Inc.](https://appshunter.io/developer/312613577) |

## What reviewers say

### 4iiii

[App page](https://appshunter.io/ios/app/4iiii/id600704389)

Connect and configure your 4iiii power meters and heart rate monitors. Record workout data, update device firmware, and even turn your Apple Watch into a cycling head unit. Track power, cadence, heart rate, and more while riding.

**Highlights:** Connects to power meters and heart rate monitors, Records workout data (power, heart rate, cadence, etc.), Performs zero offset and firmware updates, Apple Watch cycling head unit functionality, Auto-syncs to Strava, Locates power meters with Finder Feature

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- ✅ Firmware updates work smoothly when functioning
- 🔋 Battery status display
- ⚙️ Zero offset calibration functionality
- 🎯 Successfully pairs with power meters (when working)
- 📱 Simple and straightforward UI for basic functions

**What reviewers complain about**

- 🐛 Cannot detect multiple power meters simultaneously
- 🐛 Frequent connection failures and disconnections
- 🐛 App crashes and freezes regularly
- 🐛 Data fields clear themselves unexpectedly
- 🐛 Firmware updates fail mid-process

**Reported bugs**

- Cannot pair multiple power meters - only recognizes one at a time
- App fails to detect power meters that other apps find easily (Garmin, Wahoo)
- Dual-sided power meter only shows one side (usually left)
- Firmware update failures brick power meters permanently
- Login credentials not accepted despite being correct

**Requested features**

- Support for multiple power meters on single device
- Spanish language support
- Japanese language support
- Optional notifications instead of mandatory
- Improved bikeindex.org integration


### FITIV Pulse

[App page](https://appshunter.io/ios/app/fitiv-pulse-workout-tracker/id942494517)

This app is a comprehensive health and fitness tracker that monitors workouts, heart rate, sleep, and recovery. It provides actionable insights to help users train smarter and achieve their fitness goals.

**Highlights:** Heart rate zone training, HRV and recovery tracking, Sleep monitoring, Workout tracking for various activities, Strength training log, Advanced performance metrics

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FITIV (1 Month) | $1.99 | per month |
| FITIV | $4.99 | per month |
| FITIV | $9.99 | per year |
| FITIV Pro Monthly | $9.99 | per month |
| FITIV | $29.99 | per year |
| FITIV | $29.99 | per year |
| FITIV Pro Yearly | $59.99 | per year |
| PRO Membership | $4.99 | one-time |
| PRO Membership | $9.99 | one-time |

**What reviewers like**

- 🚀 Awesome app!
- 👍 Great tool for tracking levels of exertion during training
- 👍 Keeps you motivated and able to track progress easily
- 👍 Flawless Apple Watch integration
- 👍 Comprehensive metrics and data analysis

**What reviewers complain about**

- 🐛 Frequent disconnects from Apple Watch
- 🐛 Inaccurate calorie tracking
- 🐛 Buggy GPS tracking and mapping
- 🐛 Inconsistent syncing and data loss issues
- 🐛 Intrusive and frequent review prompts

**Reported bugs**

- Frequent disconnects from Apple Watch during workouts
- Inaccurate calorie tracking and data reporting
- Issues with GPS tracking and mapping, including incorrect distance and route recording
- Syncing problems leading to data loss and inconsistencies
- Crashes and performance issues following recent app updates

**Requested features**

- Add support for more workout types (e.g. rowing, CrossFit)
- Improve customization options for workouts and data displays
- Implement a more robust and reliable GPS tracking system
- Add the ability to edit workout details and duration
- Improve syncing and data integration with other fitness apps


## Frequently asked questions

### Is 4iiii free?

4iiii is free to download, with no in-app purchases.

### Is FITIV Pulse free?

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

### Do 4iiii or FITIV Pulse have ads?

Neither 4iiii nor FITIV Pulse shows ads.

### Which is updated more often, 4iiii or FITIV Pulse?

4iiii ships an update every 3 months, and FITIV Pulse fortnightly. Most recently, 4iiii was updated on October 23, 2026 and FITIV Pulse on October 28, 2026.

---

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