# Master Kit vs KaiZenFlow

The clearest difference is ads: KaiZenFlow at none against Master Kit's shown. KaiZenFlow also leads on update cadence (every 2 weeks vs every 2 months). Master Kit's advantage is iOS requirement (10.0 vs 14.0). On price, 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.

Master Kit ships an update every 2 months, KaiZenFlow every 2 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Master Kit | KaiZenFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (54 ratings)](https://appshunter.io/ios/app/master-kit/id1294342144/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 70.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 66 MB | 4 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [MASTER KIT, OOO](https://appshunter.io/developer/1528956877) | [Volodymyr Kyrychuk](https://appshunter.io/developer/1861282110) |

## What reviewers say

### Master Kit

[App page](https://appshunter.io/ios/app/master-kit/id1294342144)

This app offers psychological self-help across relationships, career, health, and self-esteem. It utilizes guided meditations with voice-overs and videos, featuring unique computer-generated audios tailored to each individual. All sessions are confidential and private.

**Highlights:** Psychological self-help, Guided meditations, Custom audio generation, Relationship support, Career development, Health and self-esteem tools

**Features:** macOS Compatibility

**In-app purchases:** none


### KaiZenFlow

[App page](https://appshunter.io/ios/app/kaizenflow/id6757266105)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Master Kit free?

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

### Is KaiZenFlow free?

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

### Do Master Kit or KaiZenFlow have ads?

Master Kit shows ads; KaiZenFlow does not.

### Which is updated more often, Master Kit or KaiZenFlow?

Master Kit ships an update every 2 months, and KaiZenFlow every 2 weeks. Most recently, Master Kit was updated on October 7, 2026 and KaiZenFlow on October 8, 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.*