# Polar Flow vs ThatLiftTracker

The clearest difference is price: Polar Flow at Free against ThatLiftTracker's $0.99. ThatLiftTracker's advantage is in-app purchases (none vs 1) and update cadence (weekly vs monthly). On ads and device support there is nothing between them.

Polar Flow is free to download; ThatLiftTracker costs $0.99 up front. Polar Flow sells 1 in-app purchase, starting at $8.99 per month. ThatLiftTracker asks for nothing beyond the download.

Polar Flow ships an update monthly, ThatLiftTracker weekly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Polar Flow | ThatLiftTracker |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (50K ratings)](https://appshunter.io/ios/app/polar-flow/id717172678/reviews)** | — |
| Number of ratings | **50K** | — |
| Positive reviews | 49.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 189 MB | 28 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Polar Electro](https://appshunter.io/developer/532468555) | [Barney Randall](https://appshunter.io/developer/825786857) |

## What reviewers say

### Polar Flow

[App page](https://appshunter.io/ios/app/polar-flow/id717172678)

This app helps you track daily activity, analyze workouts with detailed metrics, and gain insights into sleep patterns and recovery. It allows for device management, route planning, and seamless syncing with other popular fitness platforms.

**Highlights:** Activity Tracking, Training Analysis, Sleep Insights, Training Load & Recovery, Device & Profile Management, Wireless Syncing, Third-Party Service Integration

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polar Fitness Program | $8.99 | per month |

**What reviewers like**

- 🚀 Accurate heart rate monitoring
- 🔋 Good battery life
- 👍 Detailed workout data and analysis
- 👍 Intuitive and user-friendly app
- 👍 Seamless syncing with Polar devices

**What reviewers complain about**

- 🐛 Connectivity and syncing issues
- 🐛 Unreliable sleep tracking
- 🐛 Slow GPS initialization
- 👎 Cluttered and confusing app interface
- 👎 Limited customization options

**Reported bugs**

- App crashes during syncing
- Inconsistent data sync between watch and app
- Firmware updates causing loss of user data

**Requested features**

- Ability to manually edit workout data
- Integration with more third-party apps
- More advanced training programs and coaching
- Improved sleep tracking and analysis


### ThatLiftTracker

[App page](https://appshunter.io/ios/app/thatlifttracker/id6478535857)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polar Flow free?

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

### Is ThatLiftTracker free?

ThatLiftTracker costs $0.99, with no in-app purchases.

### Do Polar Flow or ThatLiftTracker have ads?

Neither Polar Flow nor ThatLiftTracker shows ads.

### Which is updated more often, Polar Flow or ThatLiftTracker?

Polar Flow ships an update monthly, and ThatLiftTracker weekly. Most recently, Polar Flow was updated on October 31, 2026 and ThatLiftTracker 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.*