# Rust Recipes vs ergosum

Rust Recipes and ergosum are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Rust Recipes sells 4 one-off in-app purchases and ergosum sells 1 in-app purchase, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Rust Recipes | ergosum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 10 MB | 3 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fedor Obraztsov](https://appshunter.io/developer/1012115119) | [Peter Subrata](https://appshunter.io/developer/1719150687) |

## What reviewers say

### Rust Recipes

[App page](https://appshunter.io/ios/app/rust-recipes/id6443946623)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Оperations with example | $0.99 | one-time |
| SQL queries | $0.99 | one-time |
| Rust Samples | $0.99 | one-time |
| Full version | $2.99 | one-time |


### ergosum

[App page](https://appshunter.io/ios/app/ergosum-ai-notes-memory/id6762539958)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $14.99 | per month |


## Frequently asked questions

### Is Rust Recipes free?

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

### Is ergosum free?

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

### Do Rust Recipes or ergosum have ads?

Neither Rust Recipes nor ergosum shows ads.

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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.*