# ePen vs ARpedia

The clearest difference is price: ARpedia at Free against ePen's $2.99. ARpedia also leads on device support (3 vs 1). ePen's advantage is review sentiment (91% vs 50%) and iOS requirement (10.0 vs 13.0). On update cadence, ads and in-app purchases there is nothing between them.

ARpedia is free to download; ePen costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ePen ships an update fortnightly, ARpedia every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ePen | ARpedia |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/epen/id1433861346/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **90.9% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Size | 726 MB | 472 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [STUDIO A](https://appshunter.io/developer/1229645980) | [Woongjin Thinkbig Co., Ltd.](https://appshunter.io/developer/1614968450) |

## What reviewers say

### ePen

[App page](https://appshunter.io/ios/app/epen/id1433861346)

This app offers a digital canvas for calligraphy, ink painting, and various artistic functions. It includes customizable brushes, stroke pressure sensitivity, and options for personal stamps. The app also provides insights into Chinese character evolution and a gallery of calligraphy works.

**Highlights:** Calligraphic writing, Ink painting functions, Customizable brush sizes, Stroke pressure sensitivity, Personal stamp creation, Chinese character evolution insights, Calligraphy gallery

**In-app purchases:** none


### ARpedia

[App page](https://appshunter.io/ios/app/arpedia/id1537350275)

This app uses augmented reality to bring stories and learning experiences to life for children. It transforms ordinary surfaces into interactive canvases for educational adventures, allowing for hands-free engagement with virtual elements.

**Highlights:** Augmented reality storytelling, Interactive learning experiences, Hands-free AR engagement, Transforms surfaces into learning canvases, Immersive educational adventures

**In-app purchases:** none


## Frequently asked questions

### Is ePen free?

ePen costs $2.99, with no in-app purchases.

### Is ARpedia free?

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

### Do ePen or ARpedia have ads?

Neither ePen nor ARpedia shows ads.

### Which is updated more often, ePen or ARpedia?

ePen ships an update fortnightly, and ARpedia every 3 weeks. Most recently, ePen was updated on October 23, 2026 and ARpedia on October 24, 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.*