Comparison

1k vs Curl Up

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

Head to head
About

1k

This app is a social network dedicated to books, encouraging reading by allowing users to create personal book archives, share insights, and discover new titles. Connect with fellow readers, track your reading goals, and get personalized recommendations.

Highlights
  • Personal book archive
  • Track reading goals
  • Share book reviews and notes
  • Discover book recommendations
  • Connect with other readers
  • Rate and like books
Features
Read full description

Join a community of more than 3 million readers on 1k. Discover your next read and the people to talk about it with. Odin turns your reading history into a profile of your taste and personal book recommendations. See what connects your reads and why each book was chosen. Available with Premium once you have enough books recorded as read. Keep your read, currently reading and to-read books together. Log your progress, set a reading goal and save the discoveries you want to come back to. Share quotes, reviews and the thoughts a book leaves you with. Follow readers who spark your curiosity and discover books through their conversations. Join clubs around your interests, follow the books being read together and swap ideas with your reading group. Discover stories written by the community and read them chapter by chapter. Write and share your own story to connect with new readers. Watch the videos readers share, add a comment and keep the book conversation going. Share your own videos with the community too. Message the readers you meet to talk about a quote, a recommendation or your next shared read. Build your bookshelf. Find your reading circle. Start your next chapter. Privacy policy: https://1000kitap.com/hakkinda/gizlilik-politikasi Terms of use: https://1000kitap.com/hakkinda/kullanim-sartlari

About

Curl Up

Features
Read full description

Curl Up is the warmest corner of the internet for book lovers and their friends. Whether you're in a tight-knit group of two or a sprawling book club of twenty, Curl Up keeps everyone on the same page — literally. Create a cozy club, pick your next read, and turn pages together, one chapter at a time. Clubs & Invites — Start a book club with friends or curl up solo in your own "Party of One." Invite friends by code or DM. Track Progress — Log your chapter and page as you read. See where everyone else is at a glance with live progress bars. Chapter-Aware Chat — Post in chapter-specific threads so readers behind you simply can't see spoilers yet. No accidental reveals, ever. Pick What's Next — Run polls to vote on your club's next read. Anonymous voting, real-time results, and automatic winner queuing. Stay in the Loop — A live activity feed keeps you updated on completions, new messages, poll votes, and more. Direct Messages — Chat privately with your shelf mates outside the club room. Rate & Review — When you finish a book, leave a star rating and a short review. Your club builds a shared history of every story you've read together. FREE TO START Create 1 club + join up to 3 Run 2 active polls per club Personal reading stats & streak All core reading & chat features CURL UP PREMIUM - Unlock the full library with Premium: Unlimited cozy corners (clubs) to run, join, and manage Unlimited active polls Custom themes & avatar frames Club insights & finish stats — finish rate, predicted finish date, avg pace, and more Shelf Awards — earn per-book badges for club performance: Fastest Reader, Most Consistent, Discussion MVP, and Top Reviewer Reading Stamps — unlock lifetime achievements like Bookworm, Club Founder, and Cozy Reader Monthly reading charts & most active reading month Premium badge on your profile Early access to new cozy features Choose Monthly ($2.99), Yearly ($19.99), or Lifetime ($49.99). Curl Up is built for readers who believe the best stories are the ones shared. Let's curl up Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

1k4 screens
Curl Up4 screens

Verdict

The call

The clearest difference is update cadence: 1k at every 3 days against Curl Up's monthly. Curl Up's advantage is device support (3 vs 1). On price, ads, in-app purchases 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. 1k sells 8 in-app purchases, starting at $3.49 per month and Curl Up sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

1k ships an update every 3 days, Curl Up monthly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
1k versus Curl Up: the parameters behind the verdict, then further details
Parameter1kCurl Up
PriceFreeFree
Rating4.8 (188 ratings) — better—
Positive reviews45.7% of reviews—
Number of ratings188 — better—
Update frequencyEvery 3 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size98 MB19 MB
Age rating12+4+
Developer1000Kitap Teknoloji ve Bilisim Limited SirketiSophswrld LLC

In-app purchases

8 purchases

1k

Subscriptions2
  • Monthly Subscription7 Days trial$3.491 Month
  • Annual Subscription7 Days trial$19.991 Year
One-time6
  • ₺100 Balance$1.99
  • ₺250 Balance$4.99
  • ₺500 Balance$9.99
Show 3 more
  • ₺1000 Balance$19.99
  • ₺5000 Balance$99.99
  • ₺10000 Balance$199.99
3 purchases

Curl Up

Subscriptions2
  • Premium Monthly$2.991 Month
  • Premium Yearly$19.991 Year
One-time1
  • Founding Reader Lifetime Offer$49.99

Questions

Is 1k free?
1k is free to download, with in-app purchases available.
Is Curl Up free?
Curl Up is free to download, with in-app purchases available.
Do 1k or Curl Up have ads?
Neither 1k nor Curl Up shows ads.
Which is updated more often, 1k or Curl Up?
1k ships an update every 3 days, and Curl Up monthly. Most recently, 1k was updated on October 24, 2026 and Curl Up on October 8, 2026.

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