# 3daysofdesign Exhibitors vs Intra Spectrum AI

The clearest difference is update cadence: 3daysofdesign Exhibitors at every 3 weeks against Intra Spectrum AI's every 3 months. Intra Spectrum AI's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

3daysofdesign Exhibitors ships an update every 3 weeks, Intra Spectrum AI every 3 months. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 3daysofdesign Exhibitors | Intra Spectrum AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 33 MB | 106 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [3 Days Of Design ApS](https://appshunter.io/developer/1453507202) | [Intra Lighting d.o.o.](https://appshunter.io/developer/1842248949) |

## What reviewers say

### 3daysofdesign Exhibitors

[App page](https://appshunter.io/ios/app/3daysofdesign-exhibitors/id6744314088)

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

**In-app purchases:** none


### Intra Spectrum AI

[App page](https://appshunter.io/ios/app/intra-spectrum-ai/id6753041394)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3daysofdesign Exhibitors free?

3daysofdesign Exhibitors is free to download, with no in-app purchases.

### Is Intra Spectrum AI free?

Intra Spectrum AI is free to download, with no in-app purchases.

### Do 3daysofdesign Exhibitors or Intra Spectrum AI have ads?

Neither 3daysofdesign Exhibitors nor Intra Spectrum AI shows ads.

### Which is updated more often, 3daysofdesign Exhibitors or Intra Spectrum AI?

3daysofdesign Exhibitors ships an update every 3 weeks, and Intra Spectrum AI every 3 months. Most recently, 3daysofdesign Exhibitors was updated on October 25, 2026 and Intra Spectrum AI on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*