# ISOS vs Artfeed

The clearest difference is in-app purchases: Artfeed at none against ISOS's 2. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. ISOS sells 2 in-app purchases, starting at $10.00 per month. Artfeed asks for nothing beyond the download.

ISOS ships an update monthly, Artfeed every 4 weeks. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ISOS | Artfeed |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 102 MB | 16 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [STARTUP OPTIONS STORM OU](https://appshunter.io/developer/1586090428) | [MARSX INC](https://appshunter.io/developer/1673372630) |

## What reviewers say

### ISOS

[App page](https://appshunter.io/ios/app/isos-idea-trading-platform/id1586090426)

Connect with innovators and investors on a secure platform to trade, sell, and promote ideas. This app uses blockchain technology and an auction system to tokenize concepts, turning them into digital assets. Discover and invest in future trends.

**Highlights:** Idea tokenization, Blockchain security, Auction-based trading, Real-time idea exchange, Community of thought leaders, Promote innovative concepts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Package | $10.00 | per month |
| Partner Package | $100.00 | per month |


### Artfeed

[App page](https://appshunter.io/ios/app/artfeed/id1673372628)

Connect with artists and art enthusiasts in a social marketplace. Discover, buy, and sell art within a curated community. It's a platform for artists, lovers, and collectors to engage.

**Highlights:** Social networking for art community, Curated art marketplace, Discover new art, Connect with artists, Buy and sell art

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is ISOS free?

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

### Is Artfeed free?

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

### Do ISOS or Artfeed have ads?

Neither ISOS nor Artfeed shows ads.

### Which is updated more often, ISOS or Artfeed?

ISOS ships an update monthly, and Artfeed every 4 weeks. Most recently, ISOS was updated on October 15, 2026 and Artfeed on October 12, 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.*