# MICRODAM MDi vs OTAHub

The clearest difference is in-app purchases: MICRODAM MDi at none against OTAHub's 1. MICRODAM MDi also leads on ads (none vs shown). OTAHub's advantage is update cadence (every 2 months vs every 8 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. OTAHub sells 1 one-off in-app purchase. MICRODAM MDi asks for nothing beyond the download.

MICRODAM MDi ships an update every 8 months, OTAHub every 2 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MICRODAM MDi | OTAHub |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 72 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sungshin Hasco, Ltd.](https://appshunter.io/developer/1506542971) | [sangmin choi](https://appshunter.io/developer/1551585236) |

## What reviewers say

### MICRODAM MDi

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

**Features:** macOS Compatibility

**In-app purchases:** none


### OTAHub

[App page](https://appshunter.io/ios/app/otahub-figure-tracker/id6475394437)

Easily manage your collection of figures, dolls, and anime merchandise. Track reservations, inventory, sales, and create wishlists and galleries. Organize your otaku products with simple, clear tools.

**Highlights:** Track reservations and release dates, Manage owned and sold items, Sort and search items with tags, View sales history and collection statistics, Create wishlists, Store item photos in a gallery, Centralized status information

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is MICRODAM MDi free?

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

### Is OTAHub free?

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

### Do MICRODAM MDi or OTAHub have ads?

OTAHub shows ads; MICRODAM MDi does not.

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

MICRODAM MDi ships an update every 8 months, and OTAHub every 2 months. Most recently, MICRODAM MDi was updated on October 8, 2026 and OTAHub on October 10, 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.*