ReadInTime vs Library Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReadInTime
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Use ReadInTime to help pace your reading so you can finish a book by a particular date and not have to cram at the end. Each time you read, ReadInTime tracks your time and the last page you read. It then tells you how much you need to read each day to meet your target date. It's useful for: • Library books • Reading assignments at school • Upcoming book club meetings • Motivating yourself to read more The free version tracks one book at a time on one device. A Premium Subscription gives you these added benefits: • Unlimited number of books in your reading list • Your data is synced between all your devices and backed up to the cloud • Notifications up to twice a day to remind you to read to meet your daily target • Access to a private web address to display your reading progress on a dashboard (like DAKboard)
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 iOS requirement: ReadInTime at 14.2 against Library Calculator's 18.4. On price, update cadence, 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
Both are free to download. ReadInTime sells 1 in-app purchase, starting at $3.99 per year and Library Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | ReadInTime | Library Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.2 — better | 18.4 |
| Further details — not scored | ||
| Size | 55 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Glen Boese | Logan Voss |
In-app purchases
ReadInTime
- ReadInTime Premium Yearly$3.991 Year
Library Calculator
- Reading Notifications$0.99
Questions
Is ReadInTime free?
Is Library Calculator free?
Do ReadInTime or Library Calculator have ads?
Which is updated more often, ReadInTime or Library Calculator?
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