# FurtherM vs PDF Watch Viewer

The clearest difference is review sentiment: FurtherM at 100% against PDF Watch Viewer's 13%. FurtherM also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). PDF Watch Viewer's advantage is price (Free vs $8.99). On ads, device support and iOS requirement there is nothing between them.

PDF Watch Viewer is free to download; FurtherM costs $8.99 up front. PDF Watch Viewer sells 1 one-off in-app purchase. FurtherM asks for nothing beyond the download.

FurtherM ships an update every 3 weeks, PDF Watch Viewer every 2 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | FurtherM | PDF Watch Viewer |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/furtherm/id1183819494/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **100.0% of reviews** | 13.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 19 MB | 10 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [祖超 夏](https://appshunter.io/developer/979438836) | [Stefano Russello](https://appshunter.io/developer/543198306) |

## What reviewers say

### FurtherM

[App page](https://appshunter.io/ios/app/furtherm/id1183819494)

Access comprehensive learning materials for the latest Cambridge A-Level Further Mathematics curriculum. Features detailed analysis of knowledge points, problem-solving guidance, practice exercises, study plans, and video lessons. Covers Pure Mathematics, Statistics, and Mechanics according to the latest syllabus.

**Highlights:** Detailed knowledge point analysis, Extensive practice problems, Study plans, Learning videos, Syllabus-aligned exercises

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

**In-app purchases:** none


### PDF Watch Viewer

[App page](https://appshunter.io/ios/app/pdf-watch-viewer/id1346356339)

View PDF documents directly on your Apple Watch without needing your iPhone. Easily transfer files from your web browser, iCloud, email, or messaging apps to your wrist for convenient access.

**Highlights:** View PDFs on Apple Watch, Transfer files from iPhone, Add PDFs from web browser, Add PDFs from iCloud, Add PDFs from email/messenger

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited PDF | $1.99 | one-time |


## Frequently asked questions

### Is FurtherM free?

FurtherM costs $8.99, with no in-app purchases.

### Is PDF Watch Viewer free?

PDF Watch Viewer is free to download, with in-app purchases available.

### Do FurtherM or PDF Watch Viewer have ads?

Neither FurtherM nor PDF Watch Viewer shows ads.

### Which is updated more often, FurtherM or PDF Watch Viewer?

FurtherM ships an update every 3 weeks, and PDF Watch Viewer every 2 months. Most recently, FurtherM was updated on October 29, 2026 and PDF Watch Viewer on October 28, 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.*