# STABVIDA birds vs Material Cut Optimizer

The clearest difference is in-app purchases: STABVIDA birds at none against Material Cut Optimizer's 4. STABVIDA birds also leads on iOS requirement (14.0 vs 26.0). Material Cut Optimizer's advantage is update cadence (every 10 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Material Cut Optimizer sells 4 in-app purchases, starting at $1.99 per 7 days. STABVIDA birds asks for nothing beyond the download.

STABVIDA birds ships an update every 5 weeks, Material Cut Optimizer every 10 days. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | STABVIDA birds | Material Cut Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stabvida-birds/id1163216874/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 23 MB | 41 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [StabVida](https://appshunter.io/developer/1163216873) | [Bryan Johnson](https://appshunter.io/developer/638408236) |

## What reviewers say

### STABVIDA birds

[App page](https://appshunter.io/ios/app/stabvida-birds/id1163216874)

This application offers a reliable DNA-based method for determining the sex of birds using feather, blood, or eggshell samples. It is applicable to over 450 species and can be used at any age or time of year.

**Highlights:** DNA-based sex determination, Feather, blood, or eggshell samples, Applicable to birds of any age, Year-round testing, Covers over 450 bird species, Performed at STAB VIDA laboratories

**Features:** macOS Compatibility

**In-app purchases:** none


### Material Cut Optimizer

[App page](https://appshunter.io/ios/app/material-cut-optimizer/id6768226243)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| Yearly | $29.99 | per year |
| UK | $79.99 | one-time |


## Frequently asked questions

### Is STABVIDA birds free?

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

### Is Material Cut Optimizer free?

Material Cut Optimizer is free to download, with in-app purchases available.

### Do STABVIDA birds or Material Cut Optimizer have ads?

Neither STABVIDA birds nor Material Cut Optimizer shows ads.

### Which is updated more often, STABVIDA birds or Material Cut Optimizer?

STABVIDA birds ships an update every 5 weeks, and Material Cut Optimizer every 10 days. Most recently, STABVIDA birds was updated on October 3, 2026 and Material Cut Optimizer on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*