# IPST E vs Calligraphy & Learn to write

The clearest difference is in-app purchases: IPST E at none against Calligraphy & Learn to write's 3. IPST E also leads on ads (none vs shown) and update cadence (every 7 months vs every 51 months). Calligraphy & Learn to write's advantage is device support (3 vs 1). On price there is nothing between them.

Both are free to download. Calligraphy & Learn to write sells 3 in-app purchases, starting at $4.99 per 7 days. IPST E asks for nothing beyond the download.

IPST E ships an update every 7 months, Calligraphy & Learn to write every 51 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | IPST E | Calligraphy & Learn to write |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 7 months** | Every 51 months |
| Size | 13 MB | 141 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Institute for the Promotion of Teaching Science and Technology (IPST)](https://appshunter.io/developer/643591471) | [Isabel Zaballos](https://appshunter.io/developer/1263380498) |

## What reviewers say

### IPST E

[App page](https://appshunter.io/ios/app/ipst-e-book/id772521304)

**In-app purchases:** none


### Calligraphy & Learn to write

[App page](https://appshunter.io/ios/app/calligraphy-and-learn-to-write/id1306768501)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly | $19.95 | per year |
| Remove Ads | $29.95 | one-time |


## Frequently asked questions

### Is IPST E free?

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

### Is Calligraphy & Learn to write free?

Calligraphy & Learn to write is free to download, with in-app purchases available.

### Do IPST E or Calligraphy & Learn to write have ads?

Calligraphy & Learn to write shows ads; IPST E does not.

### Which is updated more often, IPST E or Calligraphy & Learn to write?

IPST E ships an update every 7 months, and Calligraphy & Learn to write every 51 months. Most recently, IPST E was updated on October 7, 2026 and Calligraphy & Learn to write on October 14, 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.*