# Zone2 Fitness vs ImproveCadence

The clearest difference is in-app purchases: ImproveCadence at none against Zone2 Fitness's 2. ImproveCadence also leads on update cadence (every 2 days vs every 18 months) and iOS requirement (15.6 vs 27.0). On price, ads and device support there is nothing between them.

Both are free to download. Zone2 Fitness sells 2 in-app purchases, starting at $0.99 per month. ImproveCadence asks for nothing beyond the download.

Zone2 Fitness ships an update every 18 months, ImproveCadence every 2 days. The most recent releases landed on October 27, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Zone2 Fitness | ImproveCadence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/zone2-fitness/id6444166065/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 days** |
| Monetization | Subscription | — |
| Size | 8 MB | 0 MB |
| Requires iOS | 27.0 | **15.6** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Structlab](https://appshunter.io/developer/308591019) | [Yanjue Yan](https://appshunter.io/developer/1852948270) |

## What reviewers say

### Zone2 Fitness

[App page](https://appshunter.io/ios/app/zone2-fitness/id6444166065)

This app tracks your heart rate zones to help you reach fitness goals faster. It offers personalized progress reports, custom workouts, and detailed performance analytics. Optimize your training with data-driven insights and customizable goals.

**Highlights:** 5 Heart Rate Zones Tracker, Custom workouts on Apple Watch, Personalized Progress Reports, Fun & Easy-to-Use Interface, Performance Analytics, Customizable Goals

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | per month |
| Premium Annual | $9.99 | per year |


### ImproveCadence

[App page](https://appshunter.io/ios/app/improvecadence/id6761875664)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zone2 Fitness free?

Zone2 Fitness is free to download, with in-app purchases available.

### Is ImproveCadence free?

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

### Do Zone2 Fitness or ImproveCadence have ads?

Neither Zone2 Fitness nor ImproveCadence shows ads.

### Which is updated more often, Zone2 Fitness or ImproveCadence?

Zone2 Fitness ships an update every 18 months, and ImproveCadence every 2 days. Most recently, Zone2 Fitness was updated on October 27, 2026 and ImproveCadence on October 8, 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.*