# Conspiracy Theory Quiz vs DecipherInk

The clearest difference is in-app purchases: Conspiracy Theory Quiz at none against DecipherInk's 5. Conspiracy Theory Quiz also leads on update cadence (every 3 days vs every 5 weeks). DecipherInk's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. DecipherInk sells 5 in-app purchases, starting at $0.99 per 7 days. Conspiracy Theory Quiz asks for nothing beyond the download.

Conspiracy Theory Quiz ships an update every 3 days, DecipherInk every 5 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Conspiracy Theory Quiz | DecipherInk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (5 ratings)](https://appshunter.io/ios/app/decipherink/id6742208925/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Last Pioneers LLC](https://appshunter.io/developer/1608075005) | [Glassfish Education, LLC](https://appshunter.io/developer/1797444818) |

## What reviewers say

### Conspiracy Theory Quiz

[App page](https://appshunter.io/ios/app/conspiracy-theory-quiz/id1644220574)

**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Learn to read historical documents with this interactive app.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 Conspiracy Theory Quiz free?

Conspiracy Theory Quiz is free to download, with no in-app purchases.

### Is DecipherInk free?

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

### Do Conspiracy Theory Quiz or DecipherInk have ads?

Both Conspiracy Theory Quiz and DecipherInk show ads.

### Which is updated more often, Conspiracy Theory Quiz or DecipherInk?

Conspiracy Theory Quiz ships an update every 3 days, and DecipherInk every 5 weeks. Most recently, Conspiracy Theory Quiz was updated on October 27, 2026 and DecipherInk 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.*