# Graph Paper Maker vs Rail Model Calc

The clearest difference is price: Rail Model Calc at Free against Graph Paper Maker's $0.99. Rail Model Calc also leads on update cadence (every 14 months vs every 56 months) and iOS requirement (15.4 vs 26.0). Graph Paper Maker's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Rail Model Calc is free to download; Graph Paper Maker costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Graph Paper Maker ships an update every 56 months, Rail Model Calc every 14 months. The most recent releases landed on October 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Graph Paper Maker | Rail Model Calc |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 56 months | **Every 14 months** |
| Monetization | Paid | — |
| Size | 1 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-simpe-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 costs $0.99, 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?

Rail Model Calc shows ads; Graph Paper Maker does not.

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

Graph Paper Maker ships an update every 56 months, and Rail Model Calc every 14 months. Most recently, Graph Paper Maker was updated on October 21, 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.*