Reading Diary vs Library Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reading Diary
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With this App you can create diary entries for every day you read on. This Entries can contain up to all of these following fields: - Title - Content (what you thought about the book and the pages you read) - The Book you read - Number of pages and which pages you read - Date of the Entry
Library Calculator
Easily calculate your daily reading goal to finish any book by its due date. Input your current page, total pages, and the deadline to get a clear daily target. Update your progress to adjust the calculation as you read.
- Daily reading page calculation
- Set book due dates
- Update current page progress
- Recalculate daily reading goals
- Simple and quick interface
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Library Calculator makes it easy to keep track of how many pages you need to read per day to finish your book by its due date. Enter your current page number, the total number of pages, & the due date. Library Calculator will display the number of pages you need to read each day leading up to your due date to finish your book on time. Features: • Quick and simple page calculation for upcoming due dates. • Update Page Numbers: Allows you to change your current page number to recalculate your daily count.
Screenshots
Verdict
The clearest difference is in-app purchases: Reading Diary at none against Library Calculator's 1. Library Calculator's advantage is update cadence (every 2 months vs every 12 months). 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
Both are free to download. Library Calculator sells 1 one-off in-app purchase. Reading Diary asks for nothing beyond the download.
Reading Diary ships an update every 12 months, Library Calculator every 2 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | Reading Diary | Library Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 12 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 21 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Julian Schumacher | Logan Voss |
In-app purchases
Reading Diary
No in-app purchases
Library Calculator
- Reading Notifications$0.99
Questions
Is Reading Diary free?
Is Library Calculator free?
Do Reading Diary or Library Calculator have ads?
Which is updated more often, Reading Diary or Library Calculator?
Other comparisons
