# Machining Material Calculators vs Multi

The clearest difference is iOS requirement: Machining Material Calculators at 14.0 against Multi's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Machining Material Calculators sells 3 one-off in-app purchases and Multi sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Machining Material Calculators | Multi |
| --- | --- | --- |
| Price | Free | Free |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 8 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Hat](https://appshunter.io/developer/1780576878) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### Machining Material Calculators

[App page](https://appshunter.io/ios/app/machining-material-calculators/id1548204161)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee Tip | $0.99 | one-time |
| Medium Coffee Tip | $1.99 | one-time |
| Large Coffee Tip | $2.99 | one-time |


### 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:** Calculate weight for multiple metal alloys, Supports various geometric shapes, Converts between multiple length and weight units, Comprehensive metal library, User-friendly interface, Additional tools: material comparison, temper charts, hardness conversion

**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 |
| Full version forever | $6.99 | one-time |


## Frequently asked questions

### Is Machining Material Calculators free?

Machining Material Calculators is free to download, with in-app purchases available.

### Is Multi free?

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

### Do Machining Material Calculators or Multi have ads?

Neither Machining Material Calculators nor Multi shows ads.

### Which is updated more often, Machining Material Calculators or Multi?

Machining Material Calculators ships an update every 2 months, and Multi every 2 months. Most recently, Machining Material Calculators was updated on November 3, 2026 and Multi on November 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.*