Comparison

Chugs vs KoiKitap

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

Head to head
About

Chugs

Track your reading habits with detailed insights and a visually engaging interface. Save favorite quotes, monitor reading sessions, and manage your book library. Offers advanced habit tracking features like streaks and heatmaps.

Highlights
  • Visual reading timelines
  • Advanced habit tracking (streaks, heatmaps)
  • Yearly reading challenges
  • Commonplace book for quotes
  • Focused reading timer
  • Library management (TBR, finished, current)
  • Detailed reading insights
Features
Read full description

Stop just reading. Start tracking. Chugs is the reading tracker designed for book lovers who love data. We ditched the boring list views for a bold, neo-brutalist interface that turns your reading habits into beautiful, actionable insights. Whether you are trying to crush a yearly challenge or simply want to remember the best quotes from your favorite novels, Chugs gives you the tools to track every page, session, and thought. WHY CHUGS? Most reading apps look like spreadsheets. Chugs looks like a journal. We focus on deep stats, visual timelines, and a distraction-free experience that puts you and the book first. KEY FEATURES: Visual Reading Timelines Forget simple logs. See your reading history on a stunning vertical timeline. visualize exactly when you read, how long you focused, and track your sessions day-by-day. Advanced Habit Tracking Streaks: Keep the momentum going with a prominent day counter. Heatmaps: Visualize your consistency with GitHub-style contribution graphs. Yearly Challenges: Set a goal and watch your progress bar fill up. Commonplace Book & Quotes Don't let great lines vanish. Use the Quotes feature to snap, save, and organize your favorite passages. Build a digital "Commonplace Book" that you can reference forever. Focused Reading Timer Track your sessions in real-time. Our minimal timer tracks your speed (pages per minute) and logs your focus time automatically. Your Library, Your Way Manage your TBR (To-Be-Read) pile, organize your finished books, and keep track of what you are currently reading with our retro-styled card interface. Detailed Insights: Pages read per minute Total reading time Session duration analytics Completion percentages Ditch the spreadsheet. Download Chugs and start building your reading habit today Privacy Policy & Terms of Use: https://www.chugs.app/en/privacy https://www.chugs.app/en/terms https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

KoiKitap

Features
Read full description

Koi is a reading-habit app that makes reading a little every day enjoyable and sustainable. STREAK Tap "I read today" every day and grow your streak. The day resets at 4 AM, not midnight—so late-night readers aren't penalized. Earn a shield every 7 days in a row; even if you miss a day, your streak stays safe. KOI EVOLUTION Your koi evolves as you read: 21 stages from egg to dragon. Keep reading to unlock new characters. LIBRARY Manage your books across three shelves: Reading, To Read, and Read. Track page progress, rate books, and mark favorites. Add books by searching Google Books and Open Library, or manually. DISCOVER Swipe to discover new books and save the ones you like to your list. Works entirely on your device—no account, no sign-up. Your data stays with you.

Screenshots

Chugs4 screens
KoiKitap4 screens

Verdict

The call

The clearest difference is in-app purchases: KoiKitap at none against Chugs's 4. Chugs's advantage is ads (none vs shown). On price, update cadence, 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. Chugs sells 4 in-app purchases, starting at $0.99 per month. KoiKitap asks for nothing beyond the download.

UpkeepUpdate frequency

Chugs ships an update every 3 days, KoiKitap every 5 days. The most recent releases landed on October 24, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
Chugs versus KoiKitap: the parameters behind the verdict, then further details
ParameterChugsKoiKitap
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterEvery 5 days
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size68 MB46 MB
Age rating4+4+
DeveloperSerhat AndicNecat GENERAL

In-app purchases

4 purchases

Chugs

Subscriptions4
  • Monthly Pro$0.991 Month
  • Monthly Pro$1.991 Month
  • Yearly Pro$2.991 Year
Show 1 more
  • Yearly Pro$9.991 Year
None

KoiKitap

No in-app purchases

Questions

Is Chugs free?
Chugs is free to download, with in-app purchases available.
Is KoiKitap free?
KoiKitap is free to download, with no in-app purchases.
Do Chugs or KoiKitap have ads?
KoiKitap shows ads; Chugs does not.
Which is updated more often, Chugs or KoiKitap?
Chugs ships an update every 3 days, and KoiKitap every 5 days. Most recently, Chugs was updated on October 24, 2026 and KoiKitap on September 22, 2026.

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