# EatonAR vs BNi Reference

The clearest difference is in-app purchases: EatonAR at none against BNi Reference's 10. BNi Reference's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. BNi Reference sells 10 in-app purchases, starting at $14.99 per month. EatonAR asks for nothing beyond the download.

EatonAR ships an update every 6 months, BNi Reference every 3 weeks. The most recent releases landed on October 27, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | EatonAR | BNi Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bni-reference/id6758135504/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1.3 GB | 362 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eaton Corporation](https://appshunter.io/developer/439590491) | [ProCureEdge LLC](https://appshunter.io/developer/1850903342) |

## What reviewers say

### EatonAR

[App page](https://appshunter.io/ios/app/eatonar/id1537135098)

**Features:** macOS Compatibility

**In-app purchases:** none


### BNi Reference

[App page](https://appshunter.io/ios/app/bni-reference/id6758135504)

Access construction cost data, build reference lists, and stay updated with industry content. Explore free articles and insights, browse cost books, and export your saved lists.

**Highlights:** Access BNi construction cost data, Build and save Reference Lists, Export lists to PDF and Excel, Explore industry news and insights, Browse and search cost book items, Save up to 100 items per list

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BNi Home Remodelers - Monthly | $14.99 | per month |
| BNi Mechanical Electrical - Monthly | $14.99 | per month |
| BNi Public Works Costbook - Monthly | $14.99 | per month |
| BNi Remodeling - Monthly | $14.99 | per month |
| BNi Reference Web Access | $50.00 | per year |
| BNi Reference - Mobile Access | $50.00 | per year |
| BNi Home Remodelers - Yearly | $149.99 | per year |
| BNi Mechanical Electrical - Yearly | $149.99 | per year |
| BNi Public Works Costbook - Yearly | $149.99 | per year |
| BNi Remodeling Costbook - Yearly | $149.99 | per year |


## Frequently asked questions

### Is EatonAR free?

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

### Is BNi Reference free?

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

### Do EatonAR or BNi Reference have ads?

Neither EatonAR nor BNi Reference shows ads.

### Which is updated more often, EatonAR or BNi Reference?

EatonAR ships an update every 6 months, and BNi Reference every 3 weeks. Most recently, EatonAR was updated on October 27, 2026 and BNi Reference on October 5, 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.*