# ILUM Mobile vs The GrassGuide

The clearest difference is in-app purchases: ILUM Mobile at none against The GrassGuide's 2. ILUM Mobile also leads on iOS requirement (13.0 vs 15.1). The GrassGuide's advantage is update cadence (every 2 months vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. The GrassGuide sells 2 in-app purchases, starting at $4.99 per month. ILUM Mobile asks for nothing beyond the download.

ILUM Mobile ships an update every 10 months, The GrassGuide every 2 months. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ILUM Mobile | The GrassGuide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Size | 66 MB | 58 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Invicta AS](https://appshunter.io/developer/1536508073) | [Mathias Vabo](https://appshunter.io/developer/1544322158) |

## What reviewers say

### ILUM Mobile

[App page](https://appshunter.io/ios/app/ilum-mobile/id1536508071)

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

**In-app purchases:** none


### The GrassGuide

[App page](https://appshunter.io/ios/app/the-grassguide/id6744040837)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium Årlig | $49.99 | per year |


## Frequently asked questions

### Is ILUM Mobile free?

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

### Is The GrassGuide free?

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

### Do ILUM Mobile or The GrassGuide have ads?

Neither ILUM Mobile nor The GrassGuide shows ads.

### Which is updated more often, ILUM Mobile or The GrassGuide?

ILUM Mobile ships an update every 10 months, and The GrassGuide every 2 months. Most recently, ILUM Mobile was updated on October 19, 2026 and The GrassGuide on October 17, 2026.

---

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