Comparison

Curio Library vs Moth

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

Head to head
About

Curio Library

Organize and manage your personal book collection. Keep track of all your reading materials in one place, with a simple and intuitive interface. Discover new ways to catalog your library.

Highlights
  • Personal library management
  • Catalog all book types
  • Intuitive interface
  • Track reading materials
Features
Read full description

Personal library with all types of books.

About

Moth

Log your reading sessions, build daily streaks, and visualize your progress with detailed statistics. Organize your book library, set yearly goals, and enjoy a dark mode interface designed for readers.

Highlights
  • Reading timer
  • Streaks and daily goals
  • Detailed reading statistics
  • Book library organization
  • Yearly reading goal tracking
  • ISBN barcode scanner
  • Dark mode interface
Read full description

Track your reading, build streaks, and see beautiful stats. All in dark mode. Moth is the reading tracker designed for readers who want to see their progress, stay consistent, and make their reading life look as good as it feels. --- WHY YOU WILL LOVE MOTH --- Every reading session you log builds a picture of who you are as a reader. How fast you read, how consistent you are, what you love: Moth turns all of it into gorgeous stats you'll want to check every day. READING TIMER Start a timer when you pick up your book. Log your pages when you're done. That's it, no complexity, no clutter. Moth tracks your reading habits and daily progress automatically. No limits on free sessions, ever. STREAKS & DAILY GOALS Set a daily reading goal in pages or minutes. Every consecutive day you hit it builds your streak. Moth is here to help you stay consistent and motivated. READING STATS See your reading life in numbers: books finished, total pages, reading time, reading speed, and a calendar heatmap showing your last 90 days of reading activity. Watch your patterns emerge as the data builds up over time. YOUR BOOK LIBRARY Add books by searching or scanning the ISBN barcode, no typing required. Organize into shelves: Want to Read, Reading, Finished, or Did Not Finish. Create custom shelves to organize your books just the way you want. Rate with half-stars and keep notes. DNF is a first-class status here, not something hidden in a submenu. BUILT FOR DARK MODE Moth is dark-first. Warm backgrounds, amber accents, soft typography: it looks and feels like reading by lamplight. Every screen has fewer elements than any competitor. Simplicity is the point. YEARLY READING GOAL Set a target for how many books you want to read this year and track your progress with a visual progress bar. See exactly where you stand. --- WHAT'S FREE --- Track up to 12 books. Unlimited reading sessions. Full reading timer. Streaks and daily goals. Yearly reading goal. ISBN barcode scanner. Half-star ratings and notes. Calendar heatmap. Everything you need to track your reading, with no paywalls on the essentials. --- MOTH PREMIUM --- Unlock unlimited book tracking, advanced reading stats, and deeper insights into your reading habits with our monthly or yearly subscription. - - - Subscription terms: Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan. You can manage your subscription and turn off auto-renewal in your Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Terms of Use: https://moth-app.com/terms Privacy Policy: https://moth-app.com/privacy

Screenshots

Curio Library3 screens
Moth4 screens

Verdict

The call

The clearest difference is in-app purchases: Curio Library at none against Moth's 3. Curio Library also leads on rating (5.0 vs 4.6) and device support (3 vs 1). Moth's advantage is update cadence (every 6 days vs every 21 months) and ratings volume (5 vs 1). On price and ads 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. Moth sells 3 in-app purchases, starting at $4.99 per month. Curio Library asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Curio Library holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Moth has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Curio Library ships an update every 21 months, Moth every 6 days. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

Scorecard7 real differences · 2 level
Curio Library versus Moth: the parameters behind the verdict, then further details
ParameterCurio LibraryMoth
PriceFreeFree
Rating5.0 (1 ratings) — better4.6 (5 ratings)
Number of ratings15 — better
Update frequencyEvery 21 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.1 — better16.4
Further details — not scored
Size9 MB103 MB
Age rating4+4+
DeveloperNTDEInolab

Customer experience

Curio Library

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Moth

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Curio Library

No in-app purchases

3 purchases

Moth

Subscriptions3
  • Moth Premium Monthly$4.991 Month
  • Moth Premium Yearly$24.991 Year
  • Moth Premium Yearly3 Days trial$29.991 Year

Questions

Is Curio Library free?
Curio Library is free to download, with no in-app purchases.
Is Moth free?
Moth is free to download, with in-app purchases available.
Which has better reviews, Curio Library or Moth?
Curio Library is rated higher. Curio Library averages 5.0 out of 5 from 1 ratings, while Moth averages 4.6 from 5 ratings.
Do Curio Library or Moth have ads?
Neither Curio Library nor Moth shows ads.
Which is updated more often, Curio Library or Moth?
Curio Library ships an update every 21 months, and Moth every 6 days. Most recently, Curio Library was updated on November 6, 2026 and Moth on November 9, 2026.

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