Comparison

PdfToolBox vs Date Calculation Assistant

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

Head to head
About

PdfToolBox

Features
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PdfToolBox is a simple and powerful PDF utility app designed for everyday use. With PdfToolBox you can: - Merge multiple PDF files into one - Compress PDF files to reduce size - Remove or rearrange pages - Export PDF pages as images All operations are performed locally on your device. No account is required. No data is collected or uploaded. PdfToolBox is ideal for office workers, students and anyone who works with PDF files.

About

Date Calculation Assistant

Features
Read full description

Date Calculation Assistant helps you perform date calculations quickly and easily. Key Features: โ€ข Date Difference: Calculate the number of days between two dates. Select a date range and instantly see the result. โ€ข Date After: Calculate the date N days after a given date. Pick a base date, enter the number of days, and get the target date. โ€ข Date Before: Calculate the date N days before a given date. Pick a base date, enter the number of days, and get the target date. โ€ข Calculation History: All calculations are saved automatically. Browse, review, and reuse your past results in the History tab of each feature. Use Cases: - Plan project timelines and deadlines - Count days until or since important events - Calculate ages and durations - Plan travel or event dates - Track days between appointments or milestones Date Calculation Assistant features an intuitive interface with Calculator and History tabs for each tool, making date math simple and efficient. Terms of Use: https://date-calculator-2cf52.web.app/#/eula

Screenshots

PdfToolBox4 screens
Date Calculation Assistant4 screens

Verdict

The call

The clearest difference is in-app purchases: PdfToolBox at none against Date Calculation Assistant's 2. On price, update cadence, 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. Date Calculation Assistant sells 2 in-app purchases, starting at $0.99 per month. PdfToolBox asks for nothing beyond the download.

UpkeepUpdate frequency

PdfToolBox ships an update every 4 days, Date Calculation Assistant every 5 days. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

Scorecard1 real difference ยท 5 level
PdfToolBox versus Date Calculation Assistant: the parameters behind the verdict, then further details
ParameterPdfToolBoxDate Calculation Assistant
PriceFreeFree
Update frequencyEvery 4 days โ€” betterEvery 5 days
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 โ€” better
Further details โ€” not scored
Size5 MB35 MB
Age rating4+4+
DeveloperHidayet Balin็މ่พ‰ ้ป„

In-app purchases

None

PdfToolBox

No in-app purchases

2 purchases

Date Calculation Assistant

Subscriptions2
  • Monthly Subscription$0.991 Month
  • Yearly Subscription$5.991 Year

Questions

Is PdfToolBox free?
PdfToolBox is free to download, with no in-app purchases.
Is Date Calculation Assistant free?
Date Calculation Assistant is free to download, with in-app purchases available.
Do PdfToolBox or Date Calculation Assistant have ads?
Neither PdfToolBox nor Date Calculation Assistant shows ads.
Which is updated more often, PdfToolBox or Date Calculation Assistant?
PdfToolBox ships an update every 4 days, and Date Calculation Assistant every 5 days. Most recently, PdfToolBox was updated on September 30, 2026 and Date Calculation Assistant on October 1, 2026.

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