# MICRODAM MDi vs iSmartDiag

The clearest difference is update cadence: iSmartDiag at every 4 days against MICRODAM MDi's every 8 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.

MICRODAM MDi ships an update every 8 months, iSmartDiag every 4 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | MICRODAM MDi | iSmartDiag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/ismartdiag/id1669179670/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 7 MB | 614 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Sungshin Hasco, Ltd.](https://appshunter.io/developer/1506542971) | [Shenzhen Vident Technology Co., Ltd](https://appshunter.io/developer/1661505875) |

## What reviewers say

### MICRODAM MDi

[App page](https://appshunter.io/ios/app/microdam-mdi/id1506542972)

**Features:** macOS Compatibility

**In-app purchases:** none


### iSmartDiag

[App page](https://appshunter.io/ios/app/ismartdiag/id1669179670)

This app provides powerful automotive diagnostic functions for mechanics, drivers, and DIYers. It connects via Bluetooth to scan over 110 vehicle brands, read/erase fault codes, and perform active tests. Save time and costs with detailed reports and maintenance functions.

**Highlights:** 110+ vehicle brands coverage, Full system scan & diagnosis, Bi-directional control, Read/erase fault codes, Maintenance functions, Data stream graph display, Bluetooth connectivity

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

**In-app purchases:** none


## Frequently asked questions

### Is MICRODAM MDi free?

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

### Is iSmartDiag free?

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

### Do MICRODAM MDi or iSmartDiag have ads?

Neither MICRODAM MDi nor iSmartDiag shows ads.

### Which is updated more often, MICRODAM MDi or iSmartDiag?

MICRODAM MDi ships an update every 8 months, and iSmartDiag every 4 days. Most recently, MICRODAM MDi was updated on October 27, 2026 and iSmartDiag on October 27, 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.*