# IN Pocket Reference vs Castel Selector

The clearest difference is update cadence: IN Pocket Reference at every 2 weeks against Castel Selector's every 6 weeks. IN Pocket Reference also leads on iOS requirement (10.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IN Pocket Reference ships an update every 2 weeks, Castel Selector every 6 weeks. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | IN Pocket Reference | Castel Selector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/in-pocket-reference/id1175500008/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 18 MB | 26 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Enterprises](https://appshunter.io/developer/1157657878) | [Castel S.r.l.](https://appshunter.io/developer/1554507062) |

## What reviewers say

### IN Pocket Reference

[App page](https://appshunter.io/ios/app/in-pocket-reference/id1175500008)

A mobile reference guide for home inspectors, offering quick charts and data for use during inspections. Features are designed to scale with screen size for easy viewing. More content is planned for future updates.

**Highlights:** Quick charts and references, Designed for professional inspectors, Scalable charts for screen size, Reference data for home inspections, Feature requests welcomed

**Features:** macOS Compatibility

**In-app purchases:** none


### Castel Selector

[App page](https://appshunter.io/ios/app/castel-selector/id1556397437)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IN Pocket Reference free?

IN Pocket Reference is free to download, with no in-app purchases.

### Is Castel Selector free?

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

### Do IN Pocket Reference or Castel Selector have ads?

Neither IN Pocket Reference nor Castel Selector shows ads.

### Which is updated more often, IN Pocket Reference or Castel Selector?

IN Pocket Reference ships an update every 2 weeks, and Castel Selector every 6 weeks. Most recently, IN Pocket Reference was updated on October 7, 2026 and Castel Selector on October 9, 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.*