# Delta Mobile vs Art Storage

The clearest difference is in-app purchases: Delta Mobile at none against Art Storage's 3. Art Storage's advantage is update cadence (every 6 days vs every 2 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Art Storage sells 3 in-app purchases, starting at $2.99 per month. Delta Mobile asks for nothing beyond the download.

Delta Mobile ships an update every 2 weeks, Art Storage every 6 days. The most recent releases landed on September 9, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Delta Mobile | Art Storage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 57 MB | 123 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Air Liquide Brasil LTDA](https://appshunter.io/developer/1049737990) | [Jinkyu ROH](https://appshunter.io/developer/1872307004) |

## What reviewers say

### Delta Mobile

[App page](https://appshunter.io/ios/app/delta-mobile/id6463932410)

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

**In-app purchases:** none


### Art Storage

[App page](https://appshunter.io/ios/app/art-storage/id6758328178)

Manage your art collection with smart archiving, secure sharing, and instant report generation. Create invoices and certificates of authenticity. Supports multiple languages and currencies.

**Highlights:** Smart archiving of artwork details, Secure list sharing and collaboration, Report and Certificate of Authenticity generation, Invoice creation for art transactions, Multi-language and multi-currency support, Customizable subscription plans

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Collector Plan | $2.99 | per month |
| Multi Plan | $19.99 | per month |
| Pro Plan | $39.99 | per month |


## Frequently asked questions

### Is Delta Mobile free?

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

### Is Art Storage free?

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

### Do Delta Mobile or Art Storage have ads?

Neither Delta Mobile nor Art Storage shows ads.

### Which is updated more often, Delta Mobile or Art Storage?

Delta Mobile ships an update every 2 weeks, and Art Storage every 6 days. Most recently, Delta Mobile was updated on September 9, 2026 and Art Storage on September 7, 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.*