# Spinningfields vs NA Judo

The clearest difference is in-app purchases: Spinningfields at none against NA Judo's 7. NA Judo's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NA Judo sells 7 one-off in-app purchases. Spinningfields asks for nothing beyond the download.

Spinningfields ships an update every 6 weeks, NA Judo fortnightly. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Spinningfields | NA Judo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 120 MB | 49 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Spinningfields](https://appshunter.io/developer/1744075795) | [Neil Adams Effective Fighting Ltd](https://appshunter.io/developer/1785384748) |

## What reviewers say

### Spinningfields

[App page](https://appshunter.io/ios/app/spinningfields/id6501970658)

**Features:** Apple Wallet

**In-app purchases:** none


### NA Judo

[App page](https://appshunter.io/ios/app/na-judo/id6739451079)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Gappling Series | $14.99 | one-time |
| Essential Judo Training Pack | $17.00 | one-time |
| Gripping for Success | $49.00 | one-time |
| The 3T's | $79.00 | one-time |
| Ultimate Study : Tomoe Nage | $99.00 | one-time |
| Ultimate Study : Juji Gatame | $99.99 | one-time |
| Tai Otoshi : Ultimate Study | $99.99 | one-time |


## Frequently asked questions

### Is Spinningfields free?

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

### Is NA Judo free?

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

### Do Spinningfields or NA Judo have ads?

Neither Spinningfields nor NA Judo shows ads.

### Which is updated more often, Spinningfields or NA Judo?

Spinningfields ships an update every 6 weeks, and NA Judo fortnightly. Most recently, Spinningfields was updated on October 10, 2026 and NA Judo on October 18, 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.*