# HLL Pdf Reader vs Do You Sidenote

The clearest difference is update cadence: Do You Sidenote at weekly against HLL Pdf Reader's every 9 months. Do You Sidenote also leads on ratings volume (5 vs 1) and iOS requirement (11.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for HLL Pdf Reader against 5.0 for Do You Sidenote. That said, the two scores are not equally well evidenced: Do You Sidenote has 5 ratings behind it against 1, so its average is the more settled of the two.

HLL Pdf Reader ships an update every 9 months, Do You Sidenote weekly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HLL Pdf Reader | Do You Sidenote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/hll-pdf-reader/id1083359852/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/do-you-sidenote/id6448973329/reviews) |
| Number of ratings | 1 | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Free | Free |
| Size | 15 MB | 27 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hades lade lam](https://appshunter.io/developer/1066160322) | [MarshTech, LLC](https://appshunter.io/developer/1687247008) |

## What reviewers say

### HLL Pdf Reader

[App page](https://appshunter.io/ios/app/hll-pdf-reader/id1083359852)

This app offers a streamlined PDF reading experience with an iBooks-inspired interface. It provides features like recent reading history, page cropping for larger content views, and an outline for easy navigation. Zooming is simplified with double-tap gestures.

**Highlights:** iBooks-like design, Reading history, Page cropping, Document outline, Double-tap zoom, Automatic fit on rotation

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

**In-app purchases:** none


### Do You Sidenote

[App page](https://appshunter.io/ios/app/do-you-sidenote/id6448973329)

This messaging app helps busy individuals organize group chats with custom categories and individual calendars. It also features a global calendar for all events and itinerary planning for consecutive activities.

**Highlights:** Unlimited custom categories per group, Category-specific calendars, Global event calendar, Itinerary planning for consecutive events, Organized group conversations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HLL Pdf Reader free?

HLL Pdf Reader is free to download, with no in-app purchases.

### Is Do You Sidenote free?

Do You Sidenote is free to download, with no in-app purchases.

### Which has better reviews, HLL Pdf Reader or Do You Sidenote?

HLL Pdf Reader and Do You Sidenote are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do HLL Pdf Reader or Do You Sidenote have ads?

Neither HLL Pdf Reader nor Do You Sidenote shows ads.

### Which is updated more often, HLL Pdf Reader or Do You Sidenote?

HLL Pdf Reader ships an update every 9 months, and Do You Sidenote weekly. Most recently, HLL Pdf Reader was updated on November 2, 2026 and Do You Sidenote on November 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.*