# Kaizen vs GripFlow

The clearest difference is in-app purchases: Kaizen at none against GripFlow's 2. Kaizen also leads on ads (none vs shown) and update cadence (daily vs fortnightly). GripFlow's advantage is iOS requirement (15.1 vs 18.4). On price and device support there is nothing between them.

Both are free to download. GripFlow sells 2 in-app purchases, starting at $5.99 per month. Kaizen asks for nothing beyond the download.

Kaizen ships an update daily, GripFlow fortnightly. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Kaizen | GripFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Fortnightly |
| Size | 1 MB | 71 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Filipi Stein](https://appshunter.io/developer/1817856892) | [Henrique de Pedro](https://appshunter.io/developer/1890497076) |

## What reviewers say

### Kaizen

[App page](https://appshunter.io/ios/app/kaizen/id6746683079)

**Features:** macOS Compatibility

**In-app purchases:** none


### GripFlow

[App page](https://appshunter.io/ios/app/gripflow-bjj-training-journal/id6761620837)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mensal | $5.99 | per month |
| Premium Anual (economia 30%) | $39.99 | per year |


## Frequently asked questions

### Is Kaizen free?

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

### Is GripFlow free?

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

### Do Kaizen or GripFlow have ads?

GripFlow shows ads; Kaizen does not.

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

Kaizen ships an update daily, and GripFlow fortnightly. Most recently, Kaizen was updated on October 9, 2026 and GripFlow on October 25, 2026.

---

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