# iZen vs UpDown

The clearest difference is price: UpDown at Free against iZen's $0.59. UpDown also leads on in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

UpDown is free to download; iZen costs $0.59 up front. iZen sells 1 one-off in-app purchase. UpDown asks for nothing beyond the download.

iZen ships an update every 2 months, UpDown every 3 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | iZen | UpDown |
| --- | --- | --- |
| Price | $0.59 | **Free** |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/updown-smart-squat-tracking/id6760248835/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free |
| Size | 10 MB | 2 MB |
| Requires iOS | **17.0** | 17.3 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [天从 何](https://appshunter.io/developer/914453386) | [Jang Chang Hee](https://appshunter.io/developer/1755828096) |

## What reviewers say

### iZen

[App page](https://appshunter.io/ios/app/izen-mind-recovery/id6757993810)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reward developers | $0.99 | one-time |


### UpDown

[App page](https://appshunter.io/ios/app/updown-smart-squat-tracking/id6760248835)

This app automatically counts your squats using your iPhone and Apple Watch's motion sensors. It helps you build a daily squat habit with goal rings, streaks, and workout summaries. Customize your tempo and receive haptic feedback for set goals.

**Highlights:** Automatic rep tracking, Daily squat goals and streaks, Apple Watch integration, Customizable squat tempo, Workout history and summaries, Haptic feedback for set goals

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iZen free?

iZen costs $0.59, and also offers in-app purchases.

### Is UpDown free?

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

### Do iZen or UpDown have ads?

Neither iZen nor UpDown shows ads.

### Which is updated more often, iZen or UpDown?

iZen ships an update every 2 months, and UpDown every 3 months. Most recently, iZen was updated on October 25, 2026 and UpDown on October 31, 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.*