# Roll Calculator vs Bill Organizer

The clearest difference is in-app purchases: Roll Calculator at none against Bill Organizer's 2. Roll Calculator also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.5). On price, update cadence and ads there is nothing between them.

Both are free to download. Bill Organizer sells 2 in-app purchases, starting at $3.99 per 7 days. Roll Calculator asks for nothing beyond the download.

Roll Calculator ships an update fortnightly, Bill Organizer every 2 weeks. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Roll Calculator | Bill Organizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/roll-calculator/id1329803577/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 22 MB |
| Requires iOS | **12.0** | 16.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Beta Flash Solutions Inc.](https://appshunter.io/developer/1329803576) | [Kutay YILMAZ](https://appshunter.io/developer/1639786376) |

## What reviewers say

### Roll Calculator

[App page](https://appshunter.io/ios/app/roll-calculator/id1329803577)

This app helps users calculate full and partial roll dimensions for various materials. It allows for inventory management, saving calculations, and defining custom material templates. Easily switch between Imperial and Metric units for precise measurements.

**Highlights:** Calculate full and partial roll dimensions, Manage inventory with 'My List', Define custom material templates, Switch between Imperial and Metric units, Calculate material area coverage, Determine material length by counting wraps

**Features:** macOS Compatibility

**In-app purchases:** none


### Bill Organizer

[App page](https://appshunter.io/ios/app/bill-organizer-billy-pro/id6746728567)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly All Access | $3.99 | per 7 days |
| Yearly All Access | $59.99 | per year |


## Frequently asked questions

### Is Roll Calculator free?

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

### Is Bill Organizer free?

Bill Organizer is free to download, with in-app purchases available.

### Do Roll Calculator or Bill Organizer have ads?

Neither Roll Calculator nor Bill Organizer shows ads.

### Which is updated more often, Roll Calculator or Bill Organizer?

Roll Calculator ships an update fortnightly, and Bill Organizer every 2 weeks. Most recently, Roll Calculator was updated on November 2, 2026 and Bill Organizer on October 28, 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.*