# StepZen vs HydroProof

The clearest difference is in-app purchases: HydroProof at none against StepZen's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. StepZen sells 3 in-app purchases, starting at $0.99 per 7 days. HydroProof asks for nothing beyond the download.

StepZen ships an update every 3 days, HydroProof every 4 days. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | StepZen | HydroProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/stepzen-pedometer-counter/id6749229395/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 4 MB |
| Requires iOS | **17** | 18.6 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [MefjuDev LLC](https://appshunter.io/developer/1777787735) | [Andre Veltens](https://appshunter.io/developer/1858390791) |

## What reviewers say

### StepZen

[App page](https://appshunter.io/ios/app/stepzen-pedometer-counter/id6749229395)

This app offers straightforward step tracking, distance covered, and floors climbed. It provides daily and weekly progress reports, goal setting, and notifications to keep you motivated on your fitness journey. An Apple Watch companion app is also available for seamless tracking.

**Highlights:** Daily step, distance, and floor tracking, Weekly progress reports, Personal goal setting, Goal-based notifications, Monthly calendar with charts, Apple Watch companion app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Yearly | $14.99 | per year |
| StepZen Pro | $4.99 | one-time |


### HydroProof

[App page](https://appshunter.io/ios/app/hydroproof/id6761188208)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is StepZen free?

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

### Is HydroProof free?

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

### Do StepZen or HydroProof have ads?

Neither StepZen nor HydroProof shows ads.

### Which is updated more often, StepZen or HydroProof?

StepZen ships an update every 3 days, and HydroProof every 4 days. Most recently, StepZen was updated on October 25, 2026 and HydroProof on October 17, 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.*