# OBDII Scanner vs Visual Timer

The clearest difference is ads: OBDII Scanner at none against Visual Timer's shown. Visual Timer's advantage is update cadence (every 3 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OBDII Scanner ships an update every 3 weeks, Visual Timer every 3 days. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OBDII Scanner | Visual Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 113 MB | 31 MB |
| Requires iOS | 13 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JDiag Electronics Technology Co., Ltd](https://appshunter.io/developer/1298431912) | [Nomio AI](https://appshunter.io/developer/1839680206) |

## What reviewers say

### OBDII Scanner

[App page](https://appshunter.io/ios/app/obdii-scanner/id6754549867)

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

**In-app purchases:** none


### Visual Timer

[App page](https://appshunter.io/ios/app/visual-timer-focus-and-study/id6759186922)

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

**In-app purchases:** none


## Frequently asked questions

### Is OBDII Scanner free?

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

### Is Visual Timer free?

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

### Do OBDII Scanner or Visual Timer have ads?

Visual Timer shows ads; OBDII Scanner does not.

### Which is updated more often, OBDII Scanner or Visual Timer?

OBDII Scanner ships an update every 3 weeks, and Visual Timer every 3 days. Most recently, OBDII Scanner was updated on September 30, 2026 and Visual Timer on October 8, 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.*