# OBDII AI vs ImageMemo

The clearest difference is ads: OBDII AI at none against ImageMemo's shown. OBDII AI also leads on iOS requirement (13.0 vs 18.5). ImageMemo's advantage is update cadence (every 8 days vs every 3 weeks). On price, 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.

OBDII AI ships an update every 3 weeks, ImageMemo every 8 days. The most recent releases landed on September 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | OBDII AI | ImageMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 82 MB | 14 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) | [Yasuko Shikiuchi](https://appshunter.io/developer/316029096) |

## What reviewers say

### OBDII AI

[App page](https://appshunter.io/ios/app/obdii-ai/id6742878024)

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

**In-app purchases:** none


### ImageMemo

[App page](https://appshunter.io/ios/app/imagememo/id6759035614)

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

**In-app purchases:** none


## Frequently asked questions

### Is OBDII AI free?

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

### Is ImageMemo free?

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

### Do OBDII AI or ImageMemo have ads?

ImageMemo shows ads; OBDII AI does not.

### Which is updated more often, OBDII AI or ImageMemo?

OBDII AI ships an update every 3 weeks, and ImageMemo every 8 days. Most recently, OBDII AI was updated on September 9, 2026 and ImageMemo on September 30, 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.*