# GenieCalc vs OBD Drive

The clearest difference is in-app purchases: GenieCalc at none against OBD Drive's 1. OBD Drive's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. OBD Drive sells 1 one-off in-app purchase. GenieCalc asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | GenieCalc | OBD Drive |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | Every 4 days |
| Size | 7 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KWANGRYEOL LEE](https://appshunter.io/developer/1887221885) | [Claudio Willrich de souza junior](https://appshunter.io/developer/1657024734) |

## What reviewers say

### GenieCalc

[App page](https://appshunter.io/ios/app/geniecalc/id6761158133)

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

**In-app purchases:** none


### OBD Drive

[App page](https://appshunter.io/ios/app/obd-drive/id6805863242)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBDDrive | $9.99 | one-time |


## Frequently asked questions

### Is GenieCalc free?

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

### Is OBD Drive free?

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

### Do GenieCalc or OBD Drive have ads?

GenieCalc shows ads; OBD Drive does not.

### Which is updated more often, GenieCalc or OBD Drive?

GenieCalc ships an update every 4 days, and OBD Drive every 4 days. Most recently, GenieCalc was updated on November 5, 2026 and OBD Drive on October 29, 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.*