# Multi vs ParaGraph3D

The clearest difference is price: Multi at Free against ParaGraph3D's $0.99. Multi also leads on update cadence (every 2 months vs every 9 months). ParaGraph3D's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Multi is free to download; ParaGraph3D costs $0.99 up front. Multi sells 3 in-app purchases, starting at $0.99 per month. ParaGraph3D asks for nothing beyond the download.

Multi ships an update every 2 months, ParaGraph3D every 9 months. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Multi | ParaGraph3D |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/multi-metal-weight-estimator/id6449792621/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 1 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [Mustafa Cans?z](https://appshunter.io/developer/692938224) |

## What reviewers say

### Multi

[App page](https://appshunter.io/ios/app/multi-metal-weight-estimator/id6449792621)

Calculate the weight of various metal alloys and shapes with a user-friendly interface. Supports multiple units for length and weight, and includes a comprehensive metal library. Offers additional tools like material comparison and hardness charts.

**Highlights:** Weight calculation for multiple metal alloys, Supports various geometric shapes, Flexible unit conversion for length and weight, Comprehensive metal library, Material comparison tools, Temper charts and hardness data

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version monthly | $0.99 | per month |
| Full version / year | $3.99 | per year |
| Remove ADS | $6.99 | one-time |


### ParaGraph3D

[App page](https://appshunter.io/ios/app/paragraph3d/id6756138521)

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

**In-app purchases:** none


## Frequently asked questions

### Is Multi free?

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

### Is ParaGraph3D free?

ParaGraph3D costs $0.99, with no in-app purchases.

### Do Multi or ParaGraph3D have ads?

Neither Multi nor ParaGraph3D shows ads.

### Which is updated more often, Multi or ParaGraph3D?

Multi ships an update every 2 months, and ParaGraph3D every 9 months. Most recently, Multi was updated on October 8, 2026 and ParaGraph3D 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.*