# J1939OBD vs GeniusTalks

The clearest difference is in-app purchases: GeniusTalks at none against J1939OBD's 1. GeniusTalks also leads on update cadence (weekly vs every 41 months). J1939OBD's advantage is iOS requirement (12.1 vs 15). On price, ads and device support there is nothing between them.

Both are free to download. J1939OBD sells 1 one-off in-app purchase. GeniusTalks asks for nothing beyond the download.

J1939OBD ships an update every 41 months, GeniusTalks weekly. The most recent releases landed on September 18, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | J1939OBD | GeniusTalks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 41 months | **Weekly** |
| Size | 14 MB | 160 MB |
| Requires iOS | **12.1** | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [S.Koepge](https://appshunter.io/developer/340731168) | [GeniusTalks](https://appshunter.io/developer/1790175082) |

## What reviewers say

### J1939OBD

[App page](https://appshunter.io/ios/app/j1939obd/id1453435912)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get full access for 1939OBD | $3.99 | one-time |


### GeniusTalks

[App page](https://appshunter.io/ios/app/geniustalks/id6740481795)

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

**In-app purchases:** none


## Frequently asked questions

### Is J1939OBD free?

J1939OBD is free to download, with in-app purchases available.

### Is GeniusTalks free?

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

### Do J1939OBD or GeniusTalks have ads?

Neither J1939OBD nor GeniusTalks shows ads.

### Which is updated more often, J1939OBD or GeniusTalks?

J1939OBD ships an update every 41 months, and GeniusTalks weekly. Most recently, J1939OBD was updated on September 18, 2026 and GeniusTalks on October 23, 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.*