# JProg vs OKNFC

The clearest difference is update cadence: OKNFC at every 3 weeks against JProg's every 3 months. JProg's advantage is iOS requirement (8.1 vs 14.0). On price, ads, 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.

JProg ships an update every 3 months, OKNFC every 3 weeks. The most recent releases landed on June 9, 2026 and December 22, 2025 respectively.

## The numbers

| Metric | JProg | OKNFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (11 ratings)](https://appshunter.io/ios/app/jprog/id882358333/reviews)** | — |
| Number of ratings | **11** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 38 MB |
| Requires iOS | **8.1** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Speedoshop](https://appshunter.io/developer/882358336) | [Shenzhen Keelray Technology Co.,Ltd](https://appshunter.io/developer/1643634723) |

## What reviewers say

### JProg

[App page](https://appshunter.io/ios/app/jprog/id882358333)

This tool allows for the programming of automotive memory modules. It is designed for mechanics and enthusiasts to modify vehicle settings.

**Highlights:** Automotive memory programming, Vehicle settings modification, Designed for mechanics, For automotive enthusiasts

**In-app purchases:** none


### OKNFC

[App page](https://appshunter.io/ios/app/oknfc/id1643634721)

**In-app purchases:** none


## Frequently asked questions

### Is JProg free?

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

### Is OKNFC free?

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

### Do JProg or OKNFC have ads?

Neither JProg nor OKNFC shows ads.

### Which is updated more often, JProg or OKNFC?

JProg ships an update every 3 months, and OKNFC every 3 weeks. Most recently, JProg was updated on June 9, 2026 and OKNFC on December 22, 2025.

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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.*