# iSometric 3D Form vs Green Level

The clearest difference is in-app purchases: iSometric 3D Form at none against Green Level's 8. iSometric 3D Form also leads on device support (3 vs 1). Green Level's advantage is iOS requirement (13.2 vs 15.0). On price and update cadence there is nothing between them.

Both are free to download. Green Level sells 8 one-off in-app purchases. iSometric 3D Form asks for nothing beyond the download.

iSometric 3D Form ships an update monthly, Green Level every 3 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | iSometric 3D Form | Green Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/isometric-3d-form/id1080191573/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 56.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 279 MB | 391 MB |
| Requires iOS | 15.0 | **13.2** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jose Luis Lopez Alcazar](https://appshunter.io/developer/629942984) | [Maykon Marcidelli](https://appshunter.io/developer/1506735720) |

## What reviewers say

### iSometric 3D Form

[App page](https://appshunter.io/ios/app/isometric-3d-form/id1080191573)

This game challenges players to assemble 3D geometric shapes by correctly aligning front, left, and top views. It offers numerous levels with increasing difficulty, requiring careful observation to form the isometric figures.

**Highlights:** Multiple difficulty levels, Form 3D figures, Use front, left, and top views, Hidden line challenges, All levels are free

**Features:** macOS Compatibility

**In-app purchases:** none


### Green Level

[App page](https://appshunter.io/ios/app/green-level/id1567220349)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access 1 device/month | $7.99 | one-time |
| Full access 3 devices/month | $20.99 | one-time |
| Full access 5 devices/month | $29.99 | one-time |
| Full access 10 devices/month | $49.99 | one-time |
| Full access 1 device/year | $84.99 | one-time |
| Full access 3 devices/year | $219.99 | one-time |
| Full access 5 devices/year | $299.99 | one-time |
| Full access 10 devices/year | $499.99 | one-time |


## Frequently asked questions

### Is iSometric 3D Form free?

iSometric 3D Form is free to download, with no in-app purchases.

### Is Green Level free?

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

### Which is updated more often, iSometric 3D Form or Green Level?

iSometric 3D Form ships an update monthly, and Green Level every 3 weeks. Most recently, iSometric 3D Form was updated on October 15, 2026 and Green Level on October 15, 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.*