# AMMO Rack vs PDF Notes C

The clearest difference is rating: AMMO Rack at 5.0 against PDF Notes C's 3.0. AMMO Rack also leads on ads (none vs shown) and review sentiment (33% vs 0%). PDF Notes C's advantage is update cadence (every 6 weeks vs every 9 months) and iOS requirement (13.0 vs 15.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. AMMO Rack sells 3 in-app purchases, starting at $0.99 per month and PDF Notes C sells 1 in-app purchase, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

AMMO Rack holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 33% of AMMO Rack's written reviews are positive against 0% of PDF Notes C's.

AMMO Rack ships an update every 9 months, PDF Notes C every 6 weeks. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | AMMO Rack | PDF Notes C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ammo-rack/id454998630/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/pdf-notes-c/id1459073729/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 204 MB | 22 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Amphetamobile](https://appshunter.io/developer/319258890) | [AMuseTec Co., Ltd.](https://appshunter.io/developer/342152781) |

## What reviewers say

### AMMO Rack

[App page](https://appshunter.io/ios/app/ammo-rack/id454998630)

Organize and manage various file types, including PDFs and images, in customizable containers. View, annotate, and share your documents and media on the go. Upgrade for unlimited storage and advanced features.

**Highlights:** Multi-media and document management, Organize files in custom containers, Full-screen document viewer, PDF annotation tools, File sharing and renaming, Searchable filenames with color-coded file types

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $0.99 | per month |
| Pro Yearly Subscription | $9.99 | per year |
| Rack Pro Upgrade | $4.99 | one-time |


### PDF Notes C

[App page](https://appshunter.io/ios/app/pdf-notes-c/id1459073729)

This app offers a streamlined PDF viewing experience with a 2-page display, fast page turns, and annotation tools. It also provides quick previews for various file types and a document browser for easy organization.

**Highlights:** 2-page PDF viewer, Fast page turns, Handwriting tools, Document browser, Quick file previews, PDF creation and assembly

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.49 | per month |


## Frequently asked questions

### Is AMMO Rack free?

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

### Is PDF Notes C free?

PDF Notes C is free to download, with in-app purchases available.

### Which has better reviews, AMMO Rack or PDF Notes C?

AMMO Rack is rated higher. AMMO Rack averages 5.0 out of 5 from 1 ratings, while PDF Notes C averages 3.0 from 1 ratings.

### Do AMMO Rack or PDF Notes C have ads?

PDF Notes C shows ads; AMMO Rack does not.

### Which is updated more often, AMMO Rack or PDF Notes C?

AMMO Rack ships an update every 9 months, and PDF Notes C every 6 weeks. Most recently, AMMO Rack was updated on September 17, 2026 and PDF Notes C on September 18, 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.*