# Kaizen vs Nooklo

The clearest difference is in-app purchases: Nooklo at none against Kaizen's 2. Nooklo also leads on update cadence (weekly vs fortnightly). Kaizen's advantage is iOS requirement (16.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Kaizen sells 2 in-app purchases, starting at $3.99 per month. Nooklo asks for nothing beyond the download.

Kaizen ships an update fortnightly, Nooklo weekly. The most recent releases landed on September 12, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Kaizen | Nooklo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nooklo-deep-work/id6766001878/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Free |
| Size | 66 MB | 18 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MK Development](https://appshunter.io/developer/1853083060) | [riley lau](https://appshunter.io/developer/1896158528) |

## What reviewers say

### Kaizen

[App page](https://appshunter.io/ios/app/kaizen-focus-and-study-timer/id6755314708)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (monthly) | $3.99 | per month |
| Premium (yearly) | $44.99 | per year |


### Nooklo

[App page](https://appshunter.io/ios/app/nooklo-deep-work/id6766001878)

This app allows you to study or work alongside friends remotely. See who's focused, join their synchronized work sessions, and track your progress together without distractions.

**Highlights:** Live feed of friends working, One-tap session joining, Synced Pomodoro timer, Session recaps, 7-day commit grid

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

**In-app purchases:** none


## Frequently asked questions

### Is Kaizen free?

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

### Is Nooklo free?

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

### Do Kaizen or Nooklo have ads?

Neither Kaizen nor Nooklo shows ads.

### Which is updated more often, Kaizen or Nooklo?

Kaizen ships an update fortnightly, and Nooklo weekly. Most recently, Kaizen was updated on September 12, 2026 and Nooklo on August 19, 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.*