Comparison

Chugs vs Leaf

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

Leaf

Features
Read full description

Leaf: Reading Tracker is your private companion for tracking books and audiobooks. Build lasting reading habits with beautiful insights, customizable themes, and seamless iCloud sync. TRACK YOUR READING • Log books and audiobooks in one unified library • Track reading sessions with precise page counts and time • Set bookmarks and notes as you read • Import books with ISBN scanner • Organize with custom collections BUILD READING HABITS • Set yearly reading goals (books or pages) • Track daily reading streaks • View weekly, monthly, and yearly insights • Beautiful charts show your progress over time • Get motivated by your reading patterns BEAUTIFUL & CUSTOMIZABLE • Multiple gorgeous themes • Clean, distraction-free interface • Smooth animations and haptic feedback • Optimized for all iPhone sizes • Accessibility support with Dynamic Type and VoiceOver AUDIOBOOK SUPPORT • Track audiobook listening sessions • Chapter-based progress tracking • Lock screen playback controls • Background audio support • Smart rewind and playback speed controls PRIVACY FIRST • Sign in with Apple for maximum privacy • iCloud sync keeps your data secure and private • No tracking, no ads, no data collection • Your reading data belongs to you • Optional: Use as guest without sign-in SYNC & BACKUP • Seamless iCloud sync across all your devices • Automatic backup of your reading history • Conflict-free sync ensures data safety • Export your data anytime (CSV format) INSIGHTS & STATISTICS • Reading pace and time tracking • Books completed over time • Pages read per day/week/month • Streak tracking and milestones • Genre and collection analytics Perfect for: • Book lovers building consistent reading habits • Audiobook listeners tracking multiple titles • Students managing academic reading • Anyone wanting beautiful reading analytics • Privacy-conscious readers Leaf respects your privacy, celebrates your progress, and makes reading tracking effortless. Whether you're a casual reader or hitting ambitious yearly goals, Leaf grows with you. Download Leaf today and transform how you track your reading journey. --- Privacy Policy: https://quiet-forge.com/apps/leaf/privacy Support: support@quiet-forge.com

Screenshots

Chugs4 screens
Leaf4 screens

Verdict

The call

The clearest difference is update cadence: Chugs at every 3 days against Leaf's every 4 weeks. Chugs also leads on iOS requirement (16.4 vs 18). On price, ads, in-app purchases 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. Chugs sells 4 in-app purchases, starting at $0.99 per month and Leaf sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Chugs ships an update every 3 days, Leaf every 4 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
Chugs versus Leaf: the parameters behind the verdict, then further details
ParameterChugsLeaf
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.4 — better18
Further details — not scored
Size74 MB26 MB
Age rating4+4+
DeveloperSerhat AndicJohn Keith Zank

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
4 purchases

Leaf

One-time4
  • Small Tip$0.99
  • eBook Reader$1.99
  • Generious Tip$2.99
Show 1 more
  • Audiobook Player$4.99

Questions

Is Chugs free?
Chugs is free to download, with in-app purchases available.
Is Leaf free?
Leaf is free to download, with in-app purchases available.
Do Chugs or Leaf have ads?
Neither Chugs nor Leaf shows ads.
Which is updated more often, Chugs or Leaf?
Chugs ships an update every 3 days, and Leaf every 4 weeks. Most recently, Chugs was updated on September 21, 2026 and Leaf on September 22, 2026.

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