# Polar Flow vs Surrey SP

The clearest difference is review sentiment: Polar Flow at 50% against Surrey SP's 0%. Polar Flow also leads on ratings volume (50K vs 3). Surrey SP's advantage is in-app purchases (none vs 1) and rating (5.0 vs 4.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Polar Flow sells 1 in-app purchase, starting at $8.99 per month. Surrey SP asks for nothing beyond the download.

Surrey SP holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Polar Flow has 50K ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 50% of Polar Flow's written reviews are positive against 0% of Surrey SP's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 9, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Polar Flow | Surrey SP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (50K ratings)](https://appshunter.io/ios/app/polar-flow/id717172678/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/surrey-sp/id6479298241/reviews)** |
| Number of ratings | **50K** | 3 |
| Positive reviews | **49.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Freemium | **Free** |
| Size | 191 MB | 99 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Polar Electro](https://appshunter.io/developer/532468555) | [Surrey Sports Park Limited](https://appshunter.io/developer/1735479006) |

## What reviewers say

### Polar Flow

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

This app helps you track your daily activity, analyze workouts with detailed data, and gain insights into your sleep and recovery. It integrates with Polar devices and other fitness services to provide personalized guidance for your health and fitness journey.

**Highlights:** Activity Tracking (steps, calories, distance), Detailed Training Analysis (heart rate, pace, power), Advanced Sleep Insights, Training Load & Recovery Recommendations, Device and Sports Profile Management, Wireless Syncing with Polar Devices, Integration with Strava, TrainingPeaks, and more

**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


### Surrey SP

[App page](https://appshunter.io/ios/app/surrey-sp/id6479298241)

Easily book fitness classes and activities, view timetables, and receive important updates. Access membership information, contact details, and share events with friends. Integrates with HealthKit to track activity data.

**Highlights:** Book fitness classes and activities, View class and public swim timetables, Receive news and offer notifications, Manage memberships and join online, Contact facility and view maps, Share events via social media, Integrates with Apple HealthKit

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

**In-app purchases:** none


## Frequently asked questions

### Is Polar Flow free?

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

### Is Surrey SP free?

Surrey SP is free to download, with no in-app purchases.

### Which has better reviews, Polar Flow or Surrey SP?

Surrey SP is rated higher. Polar Flow averages 4.6 out of 5 from 50K ratings, while Surrey SP averages 5.0 from 3 ratings.

### Do Polar Flow or Surrey SP have ads?

Neither Polar Flow nor Surrey SP shows ads.

### Which is updated more often, Polar Flow or Surrey SP?

Polar Flow ships an update monthly, and Surrey SP monthly. Most recently, Polar Flow was updated on November 9, 2026 and Surrey SP on November 4, 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.*