Comparison

Whale Mark vs Pebble Docs

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

Head to head
About

Whale Mark

Features
Read full description

Whale Mark is an app for recording the reading progress of paper books. [Privacy Policy and Terms of Use] - Privacy Policy: https://medivhstudio.com/projects/whale-mark/privacy-policy.html - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ [Contact Us] Any comments or questions can be sent to medivhstudio@163.com.

About

Pebble Docs

This app acts as a powerful document assistant, enabling users to import, organize, and understand their files. It leverages AI to answer questions about document content, generate summaries, and extract key information for better organization and thinking.

Highlights
  • Import and manage documents
  • Ask questions about document content
  • Generate document summaries
  • Extract key information
  • AI-powered assistance
Features
Read full description

Pebble Docs is a document assistant app designed to help users read, organize, and understand their documents more efficiently. Key features include: - Importing and managing documents - Asking questions and generating summaries based on document content - Extracting key information to support thinking and organization The app only accesses user data with permission and solely to provide the features described above. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Whale Mark4 screens
Pebble Docs3 screens

Verdict

The call

The clearest difference is update cadence: Pebble Docs at weekly against Whale Mark's every 4 months. On price, review sentiment, ads and in-app purchases 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. Whale Mark sells 3 in-app purchases, starting at $0.99 per month and Pebble Docs sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Whale Mark ships an update every 4 months, Pebble Docs weekly. The most recent releases landed on June 11, 2026 and June 1, 2026 respectively.

Scorecard1 real difference · 9 level
Whale Mark versus Pebble Docs: the parameters behind the verdict, then further details
ParameterWhale MarkPebble Docs
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.0
Further details — not scored
Size2 MB18 MB
Age rating4+4+
Developer柱 杨Xiaoyuan Technology (Shenzhen) Co., Ltd.

Customer experience

Whale Mark

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Pebble Docs

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Whale Mark

Subscriptions2
  • Monthly Membership$0.991 Month
  • Annual Membership$2.991 Year
One-time1
  • Lifetime Membership2 variants$3.99
2 purchases

Pebble Docs

Subscriptions2
  • Pebble Plus$14.991 Month
  • Pebble Pro$19.991 Month

Questions

Is Whale Mark free?
Whale Mark is free to download, with in-app purchases available.
Is Pebble Docs free?
Pebble Docs is free to download, with in-app purchases available.
Do Whale Mark or Pebble Docs have ads?
Neither Whale Mark nor Pebble Docs shows ads.
Which is updated more often, Whale Mark or Pebble Docs?
Whale Mark ships an update every 4 months, and Pebble Docs weekly. Most recently, Whale Mark was updated on June 11, 2026 and Pebble Docs on June 1, 2026.

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