# PrimeDrive vs Optimal Biz Docs

The clearest difference is update cadence: PrimeDrive at every 3 months against Optimal Biz Docs's every 7 months. 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.

PrimeDrive ships an update every 3 months, Optimal Biz Docs every 7 months. Both last shipped on September 17, 2026.

## The numbers

| Metric | PrimeDrive | Optimal Biz Docs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Size | 80 MB | 3 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SoftBank Corp.](https://appshunter.io/developer/311155658) | [OPTiM Corporation](https://appshunter.io/developer/484555009) |

## What reviewers say

### PrimeDrive

[App page](https://appshunter.io/ios/app/primedrive/id426690093)

**In-app purchases:** none


### Optimal Biz Docs

[App page](https://appshunter.io/ios/app/optimal-biz-docs/id797348056)

**In-app purchases:** none


## Frequently asked questions

### Is PrimeDrive free?

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

### Is Optimal Biz Docs free?

Optimal Biz Docs is free to download, with no in-app purchases.

### Do PrimeDrive or Optimal Biz Docs have ads?

Neither PrimeDrive nor Optimal Biz Docs shows ads.

### Which is updated more often, PrimeDrive or Optimal Biz Docs?

PrimeDrive ships an update every 3 months, and Optimal Biz Docs every 7 months. Most recently, PrimeDrive was updated on September 17, 2026 and Optimal Biz Docs on September 17, 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.*