# Graph Paper Maker vs Rail Model Calc

The clearest difference is update cadence: Rail Model Calc at every 14 months against Graph Paper Maker's every 31 months. Rail Model Calc also leads on iOS requirement (15.4 vs 26.0). 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.

Graph Paper Maker ships an update every 31 months, Rail Model Calc every 14 months. The most recent releases landed on October 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Graph Paper Maker | Rail Model Calc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 31 months | **Every 14 months** |
| Monetization | Paid | — |
| Size | 7 MB | 13 MB |
| Requires iOS | 26.0 | **15.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kohei yamane](https://appshunter.io/developer/1239055575) | [Nobuyuki Kumakura](https://appshunter.io/developer/1529070760) |

## What reviewers say

### Graph Paper Maker

[App page](https://appshunter.io/ios/app/graph-paper-maker-print-pdf/id1586148427)

Easily create custom graph paper with adjustable grid sizes, margins, and colors. Export your designs as PDF or image files for printing or sharing. This tool is perfect for notes, planning, design, study, or work.

**Highlights:** Flexible grid size (square/rectangular), Adjustable margins, Line color and thickness settings, Optional guide lines, Export as PDF or image, Share via iOS share sheet

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

**In-app purchases:** none


### Rail Model Calc

[App page](https://appshunter.io/ios/app/rail-model-calc/id6474500872)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Graph Paper Maker free?

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

### Is Rail Model Calc free?

Rail Model Calc is free to download, with no in-app purchases.

### Do Graph Paper Maker or Rail Model Calc have ads?

Both Graph Paper Maker and Rail Model Calc show ads.

### Which is updated more often, Graph Paper Maker or Rail Model Calc?

Graph Paper Maker ships an update every 31 months, and Rail Model Calc every 14 months. Most recently, Graph Paper Maker was updated on October 24, 2026 and Rail Model Calc on October 1, 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.*