Comparison

Knockout Bible Reader vs Sift

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

Head to head
About

Knockout Bible Reader

This app uses advanced technology to help users read the Bible quickly and easily. It allows for adjustable reading speeds, making it convenient for on-the-go or short breaks.

Highlights
  • Adjustable reading speed
  • Fast and easy Bible absorption
  • Convenient for commuting
  • Suitable for short breaks
  • Revolutionary reading technology
Features
Read full description

Over 160 million Americans read the Bible per year to lead better lives. Knockout Bible Reader is a revolutionary Bible reader that implements cutting edge technology to help you read the Bible, fast and easy.  Whether you're commuting or need a break at work, Knockout Bible Reader has you covered. Simply open the app, set your desired reading speed, and marvel at how quickly you can absorb the word of God.

About

Sift

Quickly extract key insights, risks, and action items from lengthy documents. This app transforms complex PDFs into concise, decision-ready summaries, supporting over 50 languages and offline analysis for enhanced privacy.

Highlights
  • Extract insights from long PDFs
  • Identify risks and key points
  • Generate decision-ready summaries
  • Supports over 50 languages
  • Offline analysis
  • Privacy-focused, no cloud uploads
Read full description

The books keep piling up. Sift helps you actually finish them. Import a PDF or EPUB you own, choose how deeply you want to read, and start a clear condensed edition in seconds. Sift keeps the throughline of the source—not just a list of disconnected takeaways. ANY BOOK—NOT A FIXED CATALOG Bring the books already waiting in your files: nonfiction, fiction, textbooks, research, and long documents. Sift extracts text on your device, including scanned PDF pages with on-device OCR. CHOOSE YOUR DEPTH Move between six reading depths whenever you want: • Gist — the core argument or arc • Quick — the essentials, fast • Balanced — the book, comfortably shorter • Deep — most of the detail, trimmed • Light — almost all of it, tightened • Original — every word as written Sift shows an estimated reading time before you begin and remembers your place when you come back. KEEP THE IDEAS WORTH REMEMBERING While you read with Sift Pro, the app gathers striking, source-grounded ideas and organizes them on your Idea Shelf. Favorite the sparks that matter, then use quick spaced-repetition reviews to remember them. Optional reminders and streaks help turn reading into lasting knowledge. READ YOUR WAY • Page-by-page or continuous scrolling • Paper, sepia, and dark reading themes • Adjustable type size, width, spacing, and font • Condensed reads in English, Spanish, French, German, Portuguese, Hindi, Arabic, or Chinese • A focused reader built for iPhone and iPad PRIVATE BY DESIGN No account or login is required. Your imported files, reading progress, summaries, and saved ideas stay on your device. AI features securely send only the text needed for processing; on-device OCR images never leave your device. Sift does not sell your data, show ads, or track you across apps. FREE AND PRO Read the original text of your imports for free and try Gist or Quick condensation each day. Sift Pro unlocks every reading depth, unlimited AI condensation, and automatic idea gathering. Bring the book you meant to finish. Sift what matters—and keep it. Sift Pro is an auto-renewing subscription. Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Privacy Policy https://khueonstudios.com/products/sift/privacy Terms of Use https://khueonstudios.com/products/sift/terms

Screenshots

Knockout Bible Reader3 screens
Sift4 screens

Verdict

The call

The clearest difference is review sentiment: Knockout Bible Reader at 100% against Sift's 50%. Knockout Bible Reader also leads on rating (5.0 vs 3.3) and in-app purchases (none vs 2). On price, ads, device support and iOS requirement 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. Sift sells 2 in-app purchases, starting at $15.99 per month. Knockout Bible Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Knockout Bible Reader holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Knockout Bible Reader has 20 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Knockout Bible Reader's written reviews are positive against 50% of Sift's.

UpkeepUpdate frequency

Knockout Bible Reader ships an update daily, Sift every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Knockout Bible Reader versus Sift: the parameters behind the verdict, then further details
ParameterKnockout Bible ReaderSift
PriceFreeFree
Rating5.0 (20 ratings) — better3.3 (3 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings20 — better3
Update frequencyDaily — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size5 MB113 MB
Age rating4+17+
DeveloperKenji JapraMuhammad Yousuf Khan

Customer experience

Knockout Bible Reader

All ratings20 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sift

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Knockout Bible Reader

No in-app purchases

2 purchases

Sift

Subscriptions2
  • Unlimited Access$15.991 Month
  • Unlimited Access$115.991 Year

Questions

Is Knockout Bible Reader free?
Knockout Bible Reader is free to download, with no in-app purchases.
Is Sift free?
Sift is free to download, with in-app purchases available.
Which has better reviews, Knockout Bible Reader or Sift?
Knockout Bible Reader is rated higher. Knockout Bible Reader averages 5.0 out of 5 from 20 ratings, while Sift averages 3.3 from 3 ratings.
Do Knockout Bible Reader or Sift have ads?
Neither Knockout Bible Reader nor Sift shows ads.
Which is updated more often, Knockout Bible Reader or Sift?
Knockout Bible Reader ships an update daily, and Sift every 3 weeks. Most recently, Knockout Bible Reader was updated on November 3, 2026 and Sift on October 30, 2026.

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