# Length vs Incubate Pro

The clearest difference is price: Incubate Pro at Free against Length's $0.99. Incubate Pro also leads on update cadence (every 2 days vs every 11 months). Length's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Incubate Pro is free to download; Length costs $0.99 up front. Incubate Pro sells 2 in-app purchases, starting at $9.49 per month. Length asks for nothing beyond the download.

Length ships an update every 11 months, Incubate Pro every 2 days. Both last shipped on October 2, 2026.

## The numbers

| Metric | Length | Incubate Pro |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[1.5 (8 ratings)](https://appshunter.io/ios/app/incubate-pro/id1622145448/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 36 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Emma Gilbert](https://appshunter.io/developer/1622145450) |

## What reviewers say

### Length

[App page](https://appshunter.io/ios/app/length/id512188088)

**Features:** macOS Compatibility

**In-app purchases:** none


### Incubate Pro

[App page](https://appshunter.io/ios/app/incubate-pro/id1622145448)

This app helps monitor and analyze poultry hatching processes. It tracks fertility, hatch rates, and embryo development, offering customizable settings and downloadable reports. Ideal for breeders and educational programs seeking to improve efficiency and understand bloodline performance.

**Highlights:** Fertility and hatch rate tracking, Scheduled candling/hatching reminders, Incubation timeline and embryo development insights, Downloadable PDF/CSV reports, Customizable batch names and breed statistics, Automatic settings for various poultry types

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.49 | per month |
| Yearly Subscription | $93.99 | per year |


## Frequently asked questions

### Is Length free?

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

### Is Incubate Pro free?

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

### Do Length or Incubate Pro have ads?

Incubate Pro shows ads; Length does not.

### Which is updated more often, Length or Incubate Pro?

Length ships an update every 11 months, and Incubate Pro every 2 days. Most recently, Length was updated on October 2, 2026 and Incubate Pro on October 2, 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.*