# Estonian vs PaperStack CAIE Past Papers

The clearest difference is in-app purchases: Estonian at none against PaperStack CAIE Past Papers's 4. Estonian also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PaperStack CAIE Past Papers sells 4 in-app purchases, starting at $1.99 per 7 days. Estonian asks for nothing beyond the download.

Estonian ships an update every 3 days, PaperStack CAIE Past Papers weekly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Estonian | PaperStack CAIE Past Papers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/paperstack-caie-past-papers/id6761936480/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 174 MB | 93 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mike Camara](https://appshunter.io/developer/922807102) | [Salman Tariq](https://appshunter.io/developer/1892139840) |

## What reviewers say

### Estonian

[App page](https://appshunter.io/ios/app/estonian/id6759491456)

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

**In-app purchases:** none


### PaperStack CAIE Past Papers

[App page](https://appshunter.io/ios/app/paperstack-caie-past-papers/id6761936480)

Access over 15,000 CAIE past papers with an AI tutor and multiplayer revision modes. Practice by topic or year, solve MCQs interactively, and study offline.  Features include smart PDF viewing and annotation tools.

**Highlights:** 15,000+ CAIE past papers, AI Tutor with examiner insights, Real-time multiplayer revision, Topical paper generation, Interactive MCQ solver, Offline access, Smart PDF viewer with annotations

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Monthly Premium | $3.99 | per month |
| PaperStack Premium 6 Months | $24.99 | per 6 months |
| PaperStack Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Estonian free?

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

### Is PaperStack CAIE Past Papers free?

PaperStack CAIE Past Papers is free to download, with in-app purchases available.

### Do Estonian or PaperStack CAIE Past Papers have ads?

PaperStack CAIE Past Papers shows ads; Estonian does not.

### Which is updated more often, Estonian or PaperStack CAIE Past Papers?

Estonian ships an update every 3 days, and PaperStack CAIE Past Papers weekly. Most recently, Estonian was updated on October 21, 2026 and PaperStack CAIE Past Papers 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.*