# StudyX Smartpaper Letters vs bimoji

The clearest difference is price: bimoji at Free against StudyX Smartpaper Letters's $9.99. bimoji also leads on update cadence (every 10 days vs every 5 months). StudyX Smartpaper Letters's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

bimoji is free to download; StudyX Smartpaper Letters costs $9.99 up front. bimoji sells 1 one-off in-app purchase. StudyX Smartpaper Letters asks for nothing beyond the download.

StudyX Smartpaper Letters ships an update every 5 months, bimoji every 10 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | StudyX Smartpaper Letters | bimoji |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/studyx-smartpaper-letters/id6747577195/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | Paid | — |
| Size | 192 MB | 15 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [StudyX G.K.](https://appshunter.io/developer/1451314118) | [Hapitsuku Studio](https://appshunter.io/developer/1876870589) |

## What reviewers say

### StudyX Smartpaper Letters

[App page](https://appshunter.io/ios/app/studyx-smartpaper-letters/id6747577195)

This app offers a digital approach to learning letter and character formation, inspired by Montessori methods. It features over 10,000 characters from various languages, including stroke-by-stroke guidance and real-time scoring for self-paced learning.

**Highlights:** Over 10,000 characters (Japanese, Chinese, Korean, English, numerals), Stroke-by-stroke tracing guidance with animation, Real-time scoring against model characters, Montessori-style color coding, Cursive alphabet toggle, Saved practice history (on-device)

**In-app purchases:** none


### bimoji

[App page](https://appshunter.io/ios/app/bimoji/id6760991342)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示 | $1.99 | one-time |


## Frequently asked questions

### Is StudyX Smartpaper Letters free?

StudyX Smartpaper Letters costs $9.99, with no in-app purchases.

### Is bimoji free?

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

### Do StudyX Smartpaper Letters or bimoji have ads?

bimoji shows ads; StudyX Smartpaper Letters does not.

### Which is updated more often, StudyX Smartpaper Letters or bimoji?

StudyX Smartpaper Letters ships an update every 5 months, and bimoji every 10 days. Most recently, StudyX Smartpaper Letters was updated on October 24, 2026 and bimoji on October 14, 2026.

---

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