# ZNotes vs PaperStack CAIE Past Papers

The clearest difference is review sentiment: PaperStack CAIE Past Papers at 50% against ZNotes's 0%. PaperStack CAIE Past Papers also leads on rating (4.7 vs 3.0). ZNotes's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. PaperStack CAIE Past Papers sells 3 in-app purchases, starting at $1.99 per 7 days. ZNotes asks for nothing beyond the download.

PaperStack CAIE Past Papers holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 0% of ZNotes's written reviews are positive against 50% of PaperStack CAIE Past Papers's.

ZNotes ships an update every 9 days, PaperStack CAIE Past Papers every 6 days. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | ZNotes | PaperStack CAIE Past Papers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/znotes-study-notes-and-revision/id6761271207/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/paperstack-caie-past-papers/id6761936480/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 42 MB | 90 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZNotes](https://appshunter.io/developer/1888546350) | [Salman Tariq](https://appshunter.io/developer/1892139840) |

## What reviewers say

### ZNotes

[App page](https://appshunter.io/ios/app/znotes-study-notes-and-revision/id6761271207)

Access over 200 syllabus-aligned study notes, chapter-wise quizzes, and an AI tutor for IGCSE, A-Level, IB Diploma, and SAT students. Improve exam confidence and achieve target grades with this free, student-led learning platform.

**Highlights:** Syllabus-aligned study notes, Chapter-wise quizzes, AI tutor (Ask Zee), Progress tracking, Student-created content, Exam confidence booster

**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 (3)**

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


## Frequently asked questions

### Is ZNotes free?

ZNotes 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.

### Which has better reviews, ZNotes or PaperStack CAIE Past Papers?

PaperStack CAIE Past Papers is rated higher. ZNotes averages 3.0 out of 5 from 3 ratings, while PaperStack CAIE Past Papers averages 4.7 from 3 ratings.

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

PaperStack CAIE Past Papers shows ads; ZNotes does not.

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

ZNotes ships an update every 9 days, and PaperStack CAIE Past Papers every 6 days. Most recently, ZNotes was updated on September 9, 2026 and PaperStack CAIE Past Papers on September 19, 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.*