# Interior vs My Valuable Stamp Collection

The clearest difference is price: Interior at Free against My Valuable Stamp Collection's $0.99. Interior also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (9.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

Interior is free to download; My Valuable Stamp Collection costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Interior ships an update every 3 weeks, My Valuable Stamp Collection every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Interior | My Valuable Stamp Collection |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[2.7 (3 ratings)](https://appshunter.io/ios/app/my-valuable-stamp-collection/id1523310676/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Paid |
| Size | 14 MB | 7 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HYTRONIK ELECTRONICS CO.,LTD](https://appshunter.io/developer/1383615292) | [Bryan Hall](https://appshunter.io/developer/1464944604) |

## What reviewers say

### Interior

[App page](https://appshunter.io/ios/app/interior-lighting-control/id1398227529)

**Features:** macOS Compatibility

**In-app purchases:** none


### My Valuable Stamp Collection

[App page](https://appshunter.io/ios/app/my-valuable-stamp-collection/id1523310676)

Digitally catalog your stamp collection, tracking value, details, and grouping by various criteria. Browse reference lists for accurate stamp information before adding to your album.

**Highlights:** Track stamp value and details, Sort stamps by denomination, year, quantity, Group stamps by year, country, denomination, View and zoom stamp images, Browse reference lists for stamp attributes, Add or remove custom reference lists

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

**In-app purchases:** none


## Frequently asked questions

### Is Interior free?

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

### Is My Valuable Stamp Collection free?

My Valuable Stamp Collection costs $0.99, with no in-app purchases.

### Do Interior or My Valuable Stamp Collection have ads?

Neither Interior nor My Valuable Stamp Collection shows ads.

### Which is updated more often, Interior or My Valuable Stamp Collection?

Interior ships an update every 3 weeks, and My Valuable Stamp Collection every 2 months. Most recently, Interior was updated on November 2, 2026 and My Valuable Stamp Collection on November 3, 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.*