# iPolytalkKorean vs DecipherInk

The clearest difference is price: DecipherInk at Free against iPolytalkKorean's $3.99. DecipherInk also leads on update cadence (every 5 weeks vs every 38 months). iPolytalkKorean's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support there is nothing between them.

DecipherInk is free to download; iPolytalkKorean costs $3.99 up front. DecipherInk sells 5 in-app purchases, starting at $0.99 per 7 days. iPolytalkKorean asks for nothing beyond the download.

iPolytalkKorean ships an update every 38 months, DecipherInk every 5 weeks. The most recent releases landed on June 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | iPolytalkKorean | DecipherInk |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/decipherink/id6742208925/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 81 MB | 40 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CTIS Co.,Ltd.](https://appshunter.io/developer/382617671) | [Glassfish Education, LLC](https://appshunter.io/developer/1797444818) |

## What reviewers say

### iPolytalkKorean

[App page](https://appshunter.io/ios/app/ipolytalkkorean/id1439542072)

**In-app purchases:** none


### DecipherInk

[App page](https://appshunter.io/ios/app/decipherink/id6742208925)

Learn to read historical documents with this interactive app. It focuses on paleography, grammar, and vocabulary for genealogical research. Practice exercises enhance reading speed and retention.

**Highlights:** Paleography and script learning, Genealogical document vocabulary, Basic grammar for historical texts, Reading speed practice, Document deciphering exercises, Reference materials

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| German - 1 Week | $0.99 | per 7 days |
| German - 1 Month | $25.00 | per month |
| German - 3 Months | $254.99 | per 3 months |
| German - 1 Year | $274.99 | per year |
| German - 6 Months | $449.99 | per 6 months |


## Frequently asked questions

### Is iPolytalkKorean free?

iPolytalkKorean costs $3.99, with no in-app purchases.

### Is DecipherInk free?

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

### Do iPolytalkKorean or DecipherInk have ads?

DecipherInk shows ads; iPolytalkKorean does not.

### Which is updated more often, iPolytalkKorean or DecipherInk?

iPolytalkKorean ships an update every 38 months, and DecipherInk every 5 weeks. Most recently, iPolytalkKorean was updated on June 10, 2026 and DecipherInk on September 22, 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.*