# Paper Schmidt vs Roll Length Calc

The clearest difference is price: Paper Schmidt at Free against Roll Length Calc's $0.99. Roll Length Calc's advantage is ads (none vs shown) and update cadence (every 2 months vs every 12 months). On in-app purchases, device support and iOS requirement there is nothing between them.

Paper Schmidt is free to download; Roll Length Calc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Paper Schmidt ships an update every 12 months, Roll Length Calc every 2 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Paper Schmidt | Roll Length Calc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | — | Paid |
| Size | 371 MB | 2 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Screening Eagle Technologies](https://appshunter.io/developer/1515215362) | [Konstantin Khoroshun](https://appshunter.io/developer/1476700024) |

## What reviewers say

### Paper Schmidt

[App page](https://appshunter.io/ios/app/paper-schmidt/id1612634677)

**In-app purchases:** none


### Roll Length Calc

[App page](https://appshunter.io/ios/app/roll-length-calc/id6754931640)

Calculate the length and area of rolled materials with precision. Save, search, and manage your calculations with detailed reports and notes. Supports multiple units and offers a user-friendly interface for professionals.

**Highlights:** Calculate roll length from diameters and thickness, Compute material surface area, Save calculations with custom titles and types, Add notes to reports, Search through saved reports, Calculate roll diameter from length, Support for multiple units of measurement

**In-app purchases:** none


## Frequently asked questions

### Is Paper Schmidt free?

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

### Is Roll Length Calc free?

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

### Do Paper Schmidt or Roll Length Calc have ads?

Paper Schmidt shows ads; Roll Length Calc does not.

### Which is updated more often, Paper Schmidt or Roll Length Calc?

Paper Schmidt ships an update every 12 months, and Roll Length Calc every 2 months. Most recently, Paper Schmidt was updated on November 7, 2026 and Roll Length Calc on October 30, 2026.

---

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