Comparison

1dollarscan Reader for iPad vs Chorus Reader

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

Head to head
About

1dollarscan Reader for iPad

Transform scanned physical books into optimized eBooks for your iPhone and iPad. Enjoy reading with features like memos, bookmarks, and brightness adjustment. Access your library anytime, anywhere.

Highlights
  • Optimize scanned books for iPhone/iPad
  • Record feedback and memos
  • Bookmark pages for easy return
  • Thumbnail view for navigation
  • Adjust brightness
  • Customizable page-turning animation
  • Pinch to zoom
Features
Read full description

[Detail] Your book becomes an eBook for iPhone and iPad !!! 1dollarscan application developed by zLibro Inc. is a special tool for users to download PDF files scanned from actual books and enjoy reading eBook on iPhone and iPad. The PDF files craeted with 1dollarscan Fine Tune technology, are optimized and tuned for your device(iPhone, iPad). You can enjoy reading the PDF files without any stress, like as reading actual books. 1dollarscan application has many features,  - Record your feedback for each file  - Taking a memo for each file  - Bookmark on the page, which is good to get back later and so on. You can enjoy reading optimized scanned eBooks by 1dollarscan application anytime, anywhere you want. [How to get] 1. Download 1dollarscan application from App Store. 2. Accesss to 1dollarscan and create your account.     [Note] : Please make your actual book scanned by 1dollarscan service and tuned by 1dollarscan Fine Tune.              Without tuning the file, 1dollarscan application does not work. 3. After creating your account, launch 1dollarscan application and login by email address and password. 4. Access the page of 1dollarscan file lists and download files. 5. Once download is completed, you can enjoy reading any eBook from My Library. [Features] - 1dollarscan Fine Tune : optimize and tune for each device(iPhone, iPad) - Memo : Record your feedback and memo for each file - Bookmark : Bookmark on page and easy to get back the page - Thumbnail : Display thumbnails on the bottom and direct access to the page - Bright adjustment - Switch animation of page-turning - Pinch in, Pinch out

About

Chorus Reader

Transform your documents, articles, and files into natural-sounding audiobooks. Enjoy real-time streaming and studio-quality speech synthesis entirely on your device, with no internet connection required. Choose from a variety of voices or clone your own for a personalized listening experience.

Highlights
  • On-device text-to-audiobook generation
  • Real-time audio streaming
  • Supports EPUB, PDF, text, and Markdown
  • 30+ built-in voices
  • Voice cloning and recording
  • Standard and Turbo generation modes
  • Offline functionality
Features
Read full description

Turn anything you can read into an audiobook — narrated on your device, in a voice you choose. Even your own. Drop in an EPUB, PDF, or article. Chorus Reader detects chapters, generates natural AI narration right on your iPhone or iPad, and streams the audio as it is created. No account, no upload — your books and your voice never leave the device. LISTEN TO YOUR OWN LIBRARY • EPUB, PDF, plain text, Markdown, Word, and Pages files — even photos of pages • Share any article from Safari and it is waiting in your library • Follow RSS feeds and listen to their newest articles • Chapters detected automatically; skip, scrub, and set a sleep timer • Audio streams while it generates — start listening in seconds, keep listening in the background A BOOKSTORE, BUILT IN • The Chorus Library: more than a hundred hand-picked classics, free for every reader • Hear a sample of the actual book before you shelve it — narrated on the spot, on your device, in your chosen voice • A curated list of open-access research papers, organized by field, with the reason each one was chosen • One tap moves any of it into your library, ready to narrate PICK A VOICE — OR CLONE ONE • Standard engine (free): 40+ natural voices, narrating in English, Spanish, French, Italian, Portuguese, and Hindi • Personal engine: clone any voice from 15 seconds of audio — yours, a friend's, a favorite narrator. English is built in; Spanish, French, German, Italian, and Portuguese download when you want them • Premium engine (on higher-memory iPhones and iPads): the most expressive narration, with multi-voice character dialogue PRIVATE BY DESIGN Narration happens on your device. There is no account, and nothing you read, record, or generate is ever uploaded — we could not see it if we wanted to. Airplane mode works fine for listening. FREE TO TRY, ONE-TIME UPGRADE The free tier includes the Standard engine, 40+ voices in six languages, audio export, the entire Chorus Library, and your first imported book. A single one-time purchase — never a subscription — unlocks every engine your device supports, voice cloning, multi-voice narration, and unlimited imports. Everything we ship later is included. WHAT READERS USE IT FOR • The half-finished novel sitting in your reading app • Textbooks and papers nobody bothered to record • Newsletters and longreads saved for "later" • Hearing drafts read back in your own voice Chorus Reader is built for the books you actually want to read.

Screenshots

Chorus Reader4 screens

Verdict

The call

The clearest difference is review sentiment: Chorus Reader at 100% against 1dollarscan Reader for iPad's 0%. Chorus Reader also leads on rating (4.5 vs 3.7) and update cadence (weekly vs every 61 months). 1dollarscan Reader for iPad's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 26.0). On price, ratings volume, ads 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

Both are free to download. Chorus Reader sells 1 one-off in-app purchase. 1dollarscan Reader for iPad asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Chorus Reader holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 0% of 1dollarscan Reader for iPad's written reviews are positive against 100% of Chorus Reader's.

UpkeepUpdate frequency

1dollarscan Reader for iPad ships an update every 61 months, Chorus Reader weekly. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
1dollarscan Reader for iPad versus Chorus Reader: the parameters behind the verdict, then further details
Parameter1dollarscan Reader for iPadChorus Reader
PriceFreeFree
Rating3.7 (3 ratings)4.5 (2 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings3 — better2
Update frequencyEvery 61 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad — better
Requires iOS9.0 — better26.0
Further details — not scored
Size62 MB1.9 GB
Age rating4+4+
Developer1dollarscanAleksander Allen

Customer experience

1dollarscan Reader for iPad

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Chorus Reader

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

1dollarscan Reader for iPad

No in-app purchases

1 purchases

Chorus Reader

One-time1
  • Unlock Chorus$9.99

Questions

Is 1dollarscan Reader for iPad free?
1dollarscan Reader for iPad is free to download, with no in-app purchases.
Is Chorus Reader free?
Chorus Reader is free to download, with in-app purchases available.
Which has better reviews, 1dollarscan Reader for iPad or Chorus Reader?
Chorus Reader is rated higher. 1dollarscan Reader for iPad averages 3.7 out of 5 from 3 ratings, while Chorus Reader averages 4.5 from 2 ratings.
Do 1dollarscan Reader for iPad or Chorus Reader have ads?
Neither 1dollarscan Reader for iPad nor Chorus Reader shows ads.
Which is updated more often, 1dollarscan Reader for iPad or Chorus Reader?
1dollarscan Reader for iPad ships an update every 61 months, and Chorus Reader weekly. Most recently, 1dollarscan Reader for iPad was updated on September 27, 2026 and Chorus Reader on October 7, 2026.

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