# Ossify vs JudoFlow

The clearest difference is in-app purchases: Ossify at none against JudoFlow's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. JudoFlow sells 3 in-app purchases, starting at $4.99 per month. Ossify asks for nothing beyond the download.

Ossify ships an update every 3 weeks, JudoFlow monthly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Ossify | JudoFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (18 ratings)](https://appshunter.io/ios/app/judoflow-judo-training-pal/id6761824232/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Freemium |
| Size | 50 MB | 95 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [PIOTR PESTKA](https://appshunter.io/developer/1840009215) | [DAVID ANTHONY KIELY](https://appshunter.io/developer/1829992386) |

## What reviewers say

### Ossify

[App page](https://appshunter.io/ios/app/ossify/id6752580973)

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

**In-app purchases:** none


### JudoFlow

[App page](https://appshunter.io/ios/app/judoflow-judo-training-pal/id6761824232)

This app helps judokas of all levels track techniques, log training sessions, and analyze progress. Connect with a global community, share achievements, and gain insights into your development. Features offline access and data export.

**Highlights:** Technique tracking with categories and positions, Detailed training session logging, Visual analytics and progress charts, Global community sharing and comparison, Advanced search and filtering, Offline-first design, Data export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Membership | $4.99 | per month |
| Pro Membership | $29.99 | per year |
| Lifetime Pro | $49.99 | one-time |


## Frequently asked questions

### Is Ossify free?

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

### Is JudoFlow free?

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

### Do Ossify or JudoFlow have ads?

Neither Ossify nor JudoFlow shows ads.

### Which is updated more often, Ossify or JudoFlow?

Ossify ships an update every 3 weeks, and JudoFlow monthly. Most recently, Ossify was updated on October 30, 2026 and JudoFlow on November 9, 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.*