# Wind vs Zen Habit Tracker

The clearest difference is update cadence: Zen Habit Tracker at fortnightly against Wind's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Wind ships an update every 8 months, Zen Habit Tracker fortnightly. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Wind | Zen Habit Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wind-shaft-alignment/id6741844422/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 129 MB | 17 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACOEM Group](https://appshunter.io/developer/1495816959) | [丹丹 董](https://appshunter.io/developer/1882663130) |

## What reviewers say

### Wind

[App page](https://appshunter.io/ios/app/wind-shaft-alignment/id6741844422)

This application assists with shaft alignment in wind turbines using a connected Bluetooth system. It guides users through measurement and alignment processes, offering features like custom templates and instant PDF reporting for efficient on-site documentation.

**Highlights:** Bluetooth connectivity, Guided measurement process, Customizable templates, VertiZontal adjustment, Instant PDF reporting, Wind turbine graphics

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

**In-app purchases:** none


### Zen Habit Tracker

[App page](https://appshunter.io/ios/app/zen-habit-tracker/id6763897541)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wind free?

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

### Is Zen Habit Tracker free?

Zen Habit Tracker is free to download, with no in-app purchases.

### Do Wind or Zen Habit Tracker have ads?

Neither Wind nor Zen Habit Tracker shows ads.

### Which is updated more often, Wind or Zen Habit Tracker?

Wind ships an update every 8 months, and Zen Habit Tracker fortnightly. Most recently, Wind was updated on October 21, 2026 and Zen Habit Tracker on October 14, 2026.

---

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