# Material Numbers vs G3

The clearest difference is update cadence: Material Numbers at every 2 days against G3's monthly. On price, ads, in-app purchases and device support there is nothing between them.

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

Material Numbers ships an update every 2 days, G3 monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Material Numbers | G3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Size | 14 MB | 60 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ASMEIX CORPORATION](https://appshunter.io/developer/911716652) | [G3 Inspection Solutions Ltd.](https://appshunter.io/developer/1858136005) |

## What reviewers say

### Material Numbers

[App page](https://appshunter.io/ios/app/material-numbers/id6503355283)

**Features:** macOS Compatibility

**In-app purchases:** none


### G3

[App page](https://appshunter.io/ios/app/g3-heat-input-calculator/id6739266881)

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

**In-app purchases:** none


## Frequently asked questions

### Is Material Numbers free?

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

### Is G3 free?

G3 is free to download, with no in-app purchases.

### Do Material Numbers or G3 have ads?

Neither Material Numbers nor G3 shows ads.

### Which is updated more often, Material Numbers or G3?

Material Numbers ships an update every 2 days, and G3 monthly. Most recently, Material Numbers was updated on October 25, 2026 and G3 on October 25, 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.*