# Avery vs Soap Lye Calculator

The clearest difference is in-app purchases: Avery at none against Soap Lye Calculator's 3. Avery also leads on iOS requirement (13.0 vs 17). Soap Lye Calculator's advantage is update cadence (fortnightly vs every 47 months). On price, ads and device support there is nothing between them.

Both are free to download. Soap Lye Calculator sells 3 in-app purchases, starting at $4.99 per month. Avery asks for nothing beyond the download.

Avery ships an update every 47 months, Soap Lye Calculator fortnightly. The most recent releases landed on October 19, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Avery | Soap Lye Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 47 months | **Fortnightly** |
| Size | 3 MB | 10 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [shingo kamei](https://appshunter.io/developer/1256845824) | [Karol Jaworski](https://appshunter.io/developer/1799974477) |

## What reviewers say

### Avery

[App page](https://appshunter.io/ios/app/avery/id1129659607)

**Features:** macOS Compatibility

**In-app purchases:** none


### Soap Lye Calculator

[App page](https://appshunter.io/ios/app/soap-lye-calculator-trace/id6759573509)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trace Pro | $4.99 | per month |
| Trace Pro | $39.99 | per year |
| Trace Pro | $39.99 | per year |


## Frequently asked questions

### Is Avery free?

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

### Is Soap Lye Calculator free?

Soap Lye Calculator is free to download, with in-app purchases available.

### Do Avery or Soap Lye Calculator have ads?

Neither Avery nor Soap Lye Calculator shows ads.

### Which is updated more often, Avery or Soap Lye Calculator?

Avery ships an update every 47 months, and Soap Lye Calculator fortnightly. Most recently, Avery was updated on October 19, 2026 and Soap Lye Calculator on October 26, 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.*