# KAIZEN vs Drive Sentinel

The clearest difference is iOS requirement: KAIZEN at 15.6 against Drive Sentinel's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. KAIZEN sells 3 in-app purchases, starting at $4.99 per month and Drive Sentinel sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

KAIZEN ships an update every 2 weeks, Drive Sentinel every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KAIZEN | Drive Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (21 ratings)](https://appshunter.io/ios/app/kaizen-habit-challenges/id6751854065/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 86 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Kaizenworks LLC](https://appshunter.io/developer/1837208974) | [Alejandro ordonez villar](https://appshunter.io/developer/1871746830) |

## What reviewers say

### KAIZEN

[App page](https://appshunter.io/ios/app/kaizen-habit-challenges/id6751854065)

This app guides personal growth by breaking down big goals into small, consistent daily actions. It offers personalized routines, community-shared journeys, and a motivation system to help users build lasting habits and achieve their aspirations.

**Highlights:** Personalized growth routines, Progressive difficulty adjustment, Community and expert routines, Motivation system (leaderboard, streaks), Habit stacking, Goal setting across various life areas

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal+ | $4.99 | per month |
| Personal+ | $47.99 | per year |
| Personal+ (Lifetime) | $59.99 | one-time |


### Drive Sentinel

[App page](https://appshunter.io/ios/app/drive-sentinel/id6792687553)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drive Sentinel Pro | $3.99 | one-time |


## Frequently asked questions

### Is KAIZEN free?

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

### Is Drive Sentinel free?

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

### Do KAIZEN or Drive Sentinel have ads?

Neither KAIZEN nor Drive Sentinel shows ads.

### Which is updated more often, KAIZEN or Drive Sentinel?

KAIZEN ships an update every 2 weeks, and Drive Sentinel every 9 days. Most recently, KAIZEN was updated on October 30, 2026 and Drive Sentinel 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.*