Comparison

Scrollzz vs PDF AutoScroll

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Scrollzz

This app uses speech-to-text technology to automatically scroll lyrics as you read or sing along. It ensures a smooth, uninterrupted experience by tracking your voice in real-time. Enjoy a more fluid and enjoyable way to engage with text.

Highlights
  • Real-time voice tracking
  • Automatic scrolling
  • Speech-to-text technology
  • Fluid text engagement
  • Seamless reading and singing experience
Features
Read full description

Scrollzz is a cutting-edge app designed to make reading and singing more fluid and enjoyable. Simply input your text, and Scrollzz uses advanced speech-to-text technology to track your voice in real-time, automatically scrolling the words as you read or sing. No more fumbling with pages or losing your place – Scrollzz ensures a smooth, uninterrupted flow.

About

PDF AutoScroll

Effortlessly read long documents, papers, or sheet music with smooth, hands-free auto-scrolling. This PDF viewer enhances focus by eliminating manual page turns and offers features like dark mode, highlighting, and quick navigation.

Highlights
  • Smooth auto-scrolling with speed control
  • Dark mode for comfortable reading
  • Highlighting and instant jump to highlights
  • Table of contents for quick navigation
  • Search functionality
  • Bookmarks and automatic last-position restore
  • Recent PDF reopening
Features
Read full description

Hands off. Just read. With a single tap, smooth auto-scroll begins. From research papers, textbooks, and documents to sheet music, stay focused on reading. Keep your hands on your instrument and your eyes on the score. Read, rehearse, or present at your own pace with PDF AutoScroll. Key Features (Included) PDF reading and basic auto-scroll are included with the paid app. • Smooth auto-scroll, precise speed control, and up/down direction • Search, highlights, bookmarks, table of contents, and Dark Mode • Recent PDFs, favorite folders, and last-position restore Extra Features (Optional) • A different speed for each page and a start delay • Page margin trimming • Repeat, next-PDF playback, and saved PDF lists • Side-by-side PDF reading on iPad and Mac (In-App Purchase) Pro: annual subscription or one-time lifetime purchase. Eligible annual subscribers can try 7 days free. Price and offer are shown before purchase. Annual subscriptions renew automatically unless canceled in your Apple account settings. Bought the paid app or a bundle before version 1.3? You keep Pro without paying again. Use Restore Purchases if needed. Privacy • No account required. Your PDF files are read on your device. Device Support • iPhone, iPad, Mac • App and setup guide in 32 languages [Get started] Open a PDF, tap Play, and adjust the speed. Pause whenever you want. Notes Margin trimming changes only the reading view. Your original PDF and shared file stay unchanged. - Contact: help@paran.app - Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy Policy: https://paran.app/privacy-policy/

Screenshots

Scrollzz3 screens
PDF AutoScroll4 screens

Verdict

The call

The clearest difference is price: Scrollzz at Free against PDF AutoScroll's $4.99. Scrollzz also leads on review sentiment (100% vs 56%) and rating (5.0 vs 4.3). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Scrollzz is free to download; PDF AutoScroll costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Scrollzz holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 100% of Scrollzz's written reviews are positive against 56% of PDF AutoScroll's.

Scorecard5 real differences · 5 level
Scrollzz versus PDF AutoScroll: the parameters behind the verdict, then further details
ParameterScrollzzPDF AutoScroll
PriceFree — better$4.99
Rating5.0 (4 ratings) — better4.3 (7 ratings)
Positive reviews100.0% of reviews — better55.6% of reviews
Number of ratings47 — better
Update frequency—Every 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS13.4 — better16.6
Further details — not scored
Size16 MB4 MB
Age rating4+4+
DeveloperDaveApps LLCParan

Customer experience

Scrollzz

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PDF AutoScroll

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews9 reviews
Positive55.6%
Neutral0.0%
Negative44.4%

In-app purchases

None

Scrollzz

No in-app purchases

None

PDF AutoScroll

No in-app purchases

Questions

Is Scrollzz free?
Scrollzz is free to download, with no in-app purchases.
Is PDF AutoScroll free?
PDF AutoScroll costs $4.99, with no in-app purchases.
Which has better reviews, Scrollzz or PDF AutoScroll?
Scrollzz is rated higher. Scrollzz averages 5.0 out of 5 from 4 ratings, while PDF AutoScroll averages 4.3 from 7 ratings.
Do Scrollzz or PDF AutoScroll have ads?
Neither Scrollzz nor PDF AutoScroll shows ads.

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