Comparison

Yomu vs LoreMark

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

Head to head
About

Yomu

Features
Read full description

Yomu is a reader for iPhone and iPad built for heavy scanned and self-scanned PDFs. Convert self-scanned books, scanned handouts, and technical or class-material PDFs into .yom, a reading-optimized format, and page through them fast โ€” a reader built to focus on reading. [Key Features] โ€ข Blazing-fast page rendering Smooth, stress-free reading even with heavy scanned PDFs and large documents. โ€ข Full-text search, even for scans Build an index and jump straight to matching pages. Image-only scanned PDFs are made searchable with on-device OCR. โ€ข Two-page spreads and reading direction Choose left-to-right or right-to-left, with full two-page spread support. โ€ข Comfortable reading adjustments Shadow reduction at page edges and color inversion for dark reading. โ€ข Everything runs on device Conversion, search, and reading all run on device โ€” your content is never sent to a server. Read offline anytime. โ€ข Simple one-time purchase Add up to 2 books for free. Adding a 3rd requires a single one-time purchase โ€” no subscription, no recurring charges. Terms of Use: https://yomu.juntaki.com/terms/ Privacy Policy: https://yomu.juntaki.com/privacy-policy/

About

LoreMark

Features
Read full description

Loremark is an offline-first reader for novels and long-form books. Import DRM-free EPUB or PDF files, read without an account, and keep reading data strictly on your device. Loremark saves your position, highlights, bookmarks, and notes so you can jump back to the exact source passage. ### Spoiler-Safe Companion For EPUB books, Companion helps you remember characters and catch up without spoilers. It only uses information up to your current reading position, so future plot points stay hidden. ### Cloud AI Companion (Loremark AI) Ask questions about what has unfolded so far. Our spoiler-safe question planner searches read chapters to give you fluent conversational answers backed by direct paragraph citations. - 5 free questions included to try. - Subscribe to Loremark AI ($4.99/month) for 400 answers per month (up to 40 per day). ### Privacy First Loremark is built for private reading: - No account or login required. - No ads. - No analytics or cross-app tracking. - Core reading is 100% offline. - Your books are never used for AI model training. ### Subscriptions & Terms - Subscription: Loremark AI Monthly ($4.99/month auto-renewable subscription). - Benefits: 400 Cloud AI answers per month (up to 40 per day) with citation analysis. - Payment will be charged to your Apple ID account at confirmation of purchase. - Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. - Account will be charged for renewal within 24 hours prior to the end of the current period. - You can manage or cancel your subscription anytime in your Apple ID Account Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/lorkmark/privacy-policy

Screenshots

Yomu4 screens
LoreMark4 screens

Verdict

The call

The clearest difference is in-app purchases: LoreMark at none against Yomu's 3. LoreMark also leads on update cadence (monthly vs every 4 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Yomu sells 3 in-app purchases, starting at $3.99 per month. LoreMark asks for nothing beyond the download.

UpkeepUpdate frequency

Yomu ships an update every 4 months, LoreMark monthly. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

Scorecard3 real differences ยท 3 level
Yomu versus LoreMark: the parameters behind the verdict, then further details
ParameterYomuLoreMark
PriceFreeFree
Update frequencyEvery 4 monthsMonthly โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS17.015.0 โ€” better
Further details โ€” not scored
Size12 MB39 MB
Age rating4+4+
DeveloperJumpei TakiyasuManh Tien Tran

In-app purchases

3 purchases

Yomu

Subscriptions2
  • Yomu Pro Monthly$3.991 Month
  • Yomu Pro Yearly$29.991 Year
One-time1
  • Yomu Unlimited$9.99
None

LoreMark

No in-app purchases

Questions

Is Yomu free?
Yomu is free to download, with in-app purchases available.
Is LoreMark free?
LoreMark is free to download, with no in-app purchases.
Do Yomu or LoreMark have ads?
Neither Yomu nor LoreMark shows ads.
Which is updated more often, Yomu or LoreMark?
Yomu ships an update every 4 months, and LoreMark monthly. Most recently, Yomu was updated on October 5, 2026 and LoreMark on October 13, 2026.

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