Comparison

Constant Reader vs SlowRead

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

Head to head
About

Constant Reader

Track your Stephen King reading journey and explore his universe with detailed insights and adaptation information. Unlock themed ranks as you progress through his iconic bibliography. Designed for fans with a private, fast, and simple experience.

Highlights
  • Track reading progress
  • Explore King's universe
  • Unlock themed ranks
  • Discover book adaptations
  • Private and fast experience
  • Stephen King inspired design
Features
Read full description

Enter the world of Stephen King like never before. Constant Reader is the ultimate companion app for fans of Stephen King, whether you are just opening your first book or you have already traveled to the Dark Tower. Track your reading, explore his universe, and watch your journey evolve as you move from Newcomer to true Constant Reader. TRACK YOUR JOURNEY Log every Stephen King book you have read and see your progress at a glance. Build your personal reading history and stay motivated as you work your way through one of the most iconic bibliographies in modern literature. UNLOCK RANKS Your reading journey comes with status. Progress through themed ranks inspired by King’s worlds, from Night Shift to Dark Tower Traveler, each milestone marking your growing connection to his stories. EXPLORE THE KING UNIVERSE Dive deeper into each book with rich details, connections, and insights. Discover how stories intertwine across Castle Rock, Derry, and beyond. DISCOVER ADAPTATIONS Browse film and TV adaptations tied to each book. See how King’s stories have been brought to life across generations of movies and series. DESIGNED FOR FANS From subtle horror-inspired visuals to rewarding interactions, every detail is crafted to feel like it belongs in a Stephen King story. SIMPLE, PRIVATE, FAST No accounts. No data tracking. Your reading journey stays on your device, just open the app and start exploring. Whether you are revisiting classics like “It” and “The Shining” or discovering hidden gems, Constant Reader helps you experience Stephen King’s work in a whole new way. Start your journey today, and see how deep the rabbit hole goes.

About

SlowRead

This app helps you track your reading, manage your TBR list, and journal your reading experience with a visually appealing digital bookshelf. It also facilitates book club discussions and provides insightful reading statistics. Enjoy a free trial to explore all features before subscribing.

Highlights
  • Customizable digital bookshelf
  • TBR list and reading journal
  • Book club creation and discussion
  • Monthly and yearly reading wrap-ups
  • Reading streak and challenge tracking
  • Import from other reading apps
  • Library loan tracking
Features
Read full description

SlowRead is the book tracker with a bookshelf you will want to show off. Every book you read stands on your own shelf, with its real spine and cover. Keep your TBR, your reading journal and your reading log in one place, and share your bookshelf on BookTok and Instagram. YOUR BOOKSHELF • Every book stands on the shelf as a spine or as a cover. • Photograph your own copy to show its real spine, cover and sprayed edges, or use a photo another reader already shared. • Arrange your books by hand, lay them flat in piles and keep a series together. • Decorate with plants, candles, lights and more, and pick a theme for the wall and the wood. • Share a picture of your bookcase to your Stories on TikTok or Instagram. • Get a public profile at slowreadapp.com/@you with the bookcases you choose to show. BOOK CLUBS • Create a club or join one and read the same book together. • Talk in a channel for each part of the book, so nobody spoils what comes next. • Hide the parts of a message that are spoilers. • Vote on the club's next book. YOUR READING YEAR • Monthly and yearly wrap ups: cards to swipe through and share. • Your reader type, worked out from the books you finish. • A yearly reading challenge, and your year next to the last one. • Stats for pages, time and books, your reading speed and your top genres. • A reading streak, with past days you can fill in by hand. TRACKING WITHOUT EFFORT • Search millions of books or scan the barcode to add one in seconds. • Import your library from Goodreads, The StoryGraph, Bookmory, Fable or Libib. • Paperback, ebook and audiobook, even for the same book. • Track library loans with the due date and a reminder the day before. • Series grouped together, with your progress through each one. • Notes, quotes scanned from the page with your camera, and characters with a portrait and their relationships. • Half star ratings, rereads and did not finish. WIDGETS • Your bookshelf, what you are reading, your streak, your challenge and a daily quote on your Home Screen and Lock Screen. READING SESSIONS • Start a timed session from any book and log the page where you stop. • If you want, block the apps that distract you while you read, with Screen Time. All features described above require a subscription. A free trial is included, so you can try everything before paying. TERMS: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Constant Reader4 screens
SlowRead4 screens

Verdict

The call

The clearest difference is review sentiment: Constant Reader at 100% against SlowRead's 22%. Constant Reader also leads on in-app purchases (none vs 4) and ads (none vs shown). SlowRead's advantage is ratings volume (810 vs 15) and chart position (#42 vs unranked). On price, update cadence 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. SlowRead sells 4 in-app purchases, starting at $8.39 per 7 days. Constant Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Constant Reader holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: SlowRead has 810 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 100% of Constant Reader's written reviews are positive against 22% of SlowRead's.

UpkeepUpdate frequency

Constant Reader ships an update every 2 days, SlowRead every 3 days. The most recent releases landed on October 31, 2026 and November 7, 2026 respectively.

Scorecard8 real differences · 3 level
Constant Reader versus SlowRead: the parameters behind the verdict, then further details
ParameterConstant ReaderSlowRead
PriceFreeFree
Rating4.9 (15 ratings) — better4.6 (810 ratings)
Positive reviews100.0% of reviews — better21.6% of reviews
Number of ratings15810 — better
Update frequencyEvery 2 days — betterEvery 3 days
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#42 — better
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS17.0 — better17.6
Further details — not scored
Size8 MB133 MB
Age rating9+12+
DeveloperShed Labs LLCAdrian Martinez Moreno

Customer experience

Constant Reader

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SlowRead

All ratings810 ratings
Positive91.2%
Neutral1.9%
Negative6.9%
Written reviews116 reviews
Positive21.6%
Neutral6.0%
Negative72.4%

In-app purchases

None

Constant Reader

No in-app purchases

4 purchases

SlowRead

Subscriptions3
  • Premium Weekly$8.397 Days
  • Premium Annual Offer$32.991 Year
  • Premium Annual3 Days trial$44.991 Year
One-time1
  • Lifetime access to Slowread$149.99

Questions

Is Constant Reader free?
Constant Reader is free to download, with no in-app purchases.
Is SlowRead free?
SlowRead is free to download, with in-app purchases available.
Which has better reviews, Constant Reader or SlowRead?
Constant Reader is rated higher. Constant Reader averages 4.9 out of 5 from 15 ratings, while SlowRead averages 4.6 from 810 ratings.
Do Constant Reader or SlowRead have ads?
SlowRead shows ads; Constant Reader does not.
Which is updated more often, Constant Reader or SlowRead?
Constant Reader ships an update every 2 days, and SlowRead every 3 days. Most recently, Constant Reader was updated on October 31, 2026 and SlowRead on November 7, 2026.

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