# Skoolify vs PaperStack CAIE Past Papers

The clearest difference is in-app purchases: Skoolify at none against PaperStack CAIE Past Papers's 4. Skoolify also leads on ads (none vs shown). PaperStack CAIE Past Papers's advantage is update cadence (every 6 days vs every 3 months). 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. Skoolify asks for nothing beyond the download.

Skoolify ships an update every 3 months, PaperStack CAIE Past Papers every 6 days. Both last shipped on October 3, 2026.

## The numbers

| Metric | Skoolify | 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 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 90 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [InfinityStudio](https://appshunter.io/developer/1361782544) | [Salman Tariq](https://appshunter.io/developer/1892139840) |

## What reviewers say

### Skoolify

[App page](https://appshunter.io/ios/app/skoolify/id1361782545)

**Features:** 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 Skoolify free?

Skoolify 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 Skoolify or PaperStack CAIE Past Papers have ads?

PaperStack CAIE Past Papers shows ads; Skoolify does not.

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

Skoolify ships an update every 3 months, and PaperStack CAIE Past Papers every 6 days. Most recently, Skoolify was updated on October 3, 2026 and PaperStack CAIE Past Papers on October 3, 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.*