Comparison

Readgio vs Sapling

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

Head to head
About

Readgio

This app allows you to read your EPUB and PDF files, tracking your reading progress, time, and speed automatically. Save and revisit highlighted passages, and even log physical book reading sessions to keep your entire reading history in one place.

Highlights
  • Automatic reading progress tracking
  • Chapter time estimation
  • Adjustable PDF reader mode
  • Highlighting and quote saving
  • Manual logging for physical books
  • iCloud sync for progress and bookmarks
Features
Read full description

Read your own EPUB and PDF books in Readgio. See whether you have time for another chapter, save meaningful passages and track your progress without keeping a manual log. • One more chapter? See an estimate of the minutes left in your EPUB chapter, based on your reading pace. • PDFs without the tiny print. Reader Mode adapts the text to your screen and lets you adjust the font size. The original page layout is always available. • Statistics that track themselves. Reading time, progress, speed and streaks — just read and see yourself getting closer to your goal. • Quotes you can find again. Highlight passages, search your saved quotes and revisit favourite ideas through reminders and a widget. • Paper books count too. Use the timer or log sessions manually to keep your whole reading history together. Read offline. Sync your progress, bookmarks and highlights between iPhone and iPad with iCloud. PDF Reader Mode is available for files with selectable text. Some features require Readgio Pro. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sapling

Features
Read full description

Sapling is a focused reading app for iPhone. Import your books, documents, and PDFs — then read at your own pace, listen hands-free in audiobook mode, or let Sapling pace you word by word. Read your way Choose scrolling or paginated reading. In scrolling mode, Sapling can pace you word by word and dim everything but the lines you're reading. Adjust font, size, spacing, and theme to build your perfect reading environment. Listen, hands-free Turn any book or document into an audiobook. Sapling reads aloud with natural voices and follows along word by word, with full lock-screen and Control Center controls and background playback — so you can listen on a walk, on your commute, or with the screen off. Stay in the text Highlight passages, add notes, and drop bookmarks — all stored locally, no account required. Jump to any chapter, revisit your highlights, or search within a document from the reader menu. Build the habit Set a daily reading goal and keep your streak going. A reading-activity calendar and per-book stats — time spent, days read, reading speed — show your progress over time. Your library, your files Import EPUB, PDF, and plain text from Files or any app, including EPUBs with inline images. Sapling keeps everything private — nothing leaves your device. Features • Audiobook mode — listen to any book or document read aloud • Natural text-to-speech with voice selection • Background playback with lock-screen & Control Center controls • Word-by-word speed reading with adjustable WPM • Paginated and scrolling reading modes • Focus mode that dims around the current line • Daily reading goals, streaks, and an activity calendar • Per-book reading stats • Highlights with color and notes • Bookmarks with optional notes • In-document search • Chapter navigation • EPUB inline images • Light, dark, and sepia themes • Fully offline — no account, no tracking

Screenshots

Readgio4 screens
Sapling4 screens

Verdict

The call

The clearest difference is in-app purchases: Sapling at none against Readgio's 3. Readgio's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads, 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. Readgio sells 3 in-app purchases, starting at $1.99 per month. Sapling asks for nothing beyond the download.

UpkeepUpdate frequency

Readgio ships an update fortnightly, Sapling every 6 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Readgio versus Sapling: the parameters behind the verdict, then further details
ParameterReadgioSapling
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.518.0 — better
Further details — not scored
Size68 MB2 MB
Age rating4+4+
DeveloperAnna SadnovaJelle Van Eyck

In-app purchases

3 purchases

Readgio

Subscriptions2
  • Pro: monthly14 Days trial$1.991 Month
  • Pro: annual14 Days trial$13.991 Year
One-time1
  • Pro: lifetime$19.99
None

Sapling

No in-app purchases

Questions

Is Readgio free?
Readgio is free to download, with in-app purchases available.
Is Sapling free?
Sapling is free to download, with no in-app purchases.
Do Readgio or Sapling have ads?
Neither Readgio nor Sapling shows ads.
Which is updated more often, Readgio or Sapling?
Readgio ships an update fortnightly, and Sapling every 6 weeks. Most recently, Readgio was updated on October 31, 2026 and Sapling on October 25, 2026.

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