Comparison

PDF Book Reader vs Profit Timer

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

Head to head
About

PDF Book Reader

Easily read, manage, and annotate PDF books and documents. This app offers a smooth reading experience, powerful annotation tools, and seamless cloud integration. Organize, search, and share your PDFs with ease.

Highlights
  • Natural PDF reading and navigation
  • PDF bookmarking and annotation
  • Text search and OCR extraction
  • PDF merging and page rearrangement
  • Cloud storage integration (Google Drive, Dropbox, iCloud)
  • File import and export via cloud and Files app
  • PDF sharing and printing
Features
Read full description

PDF Book Reader app helps you easily and naturally read PDF books and documents. It works as smooth as reading web pages in web browsers. PDF Book Reader is the best app to read, manage and annotate PDF Books and it works beautifully on iOS 14. The most powerful PDF Book reader, carefully designed and optimized specially for the iPhone & iPad. [ KEY FEATURES ] • Naturally read and navigate PDF books • Bookmark PDF e-Books • Annotate PDF e-Books • Search texts in entire PDF files • Extract texts by using OCR • Merge PDF files • Rearrange PDF pages by drag & drop • Connect with Google Drive, Dropbox, iCloud, Photos • Import files from Files, Photos, Google Drive, Dropbox • Automatically and securely save PDF files in Files app • Share PDF files via email, text (sms), cloud solutions • Print PDF files [ Upgrade to subscription version ] Upgrading to subscription version requires auto-renewal subscription. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Links to Your Privacy Policy and Terms of Use: http://www.btoj.com.au/privacy.html http://www.btoj.com.au/terms.html Please feel free to contact us for anything.

About

Profit Timer

Read full description

Profit Timer is the ultimate tool for freelancers, contractors, and everyone working in data annotation or AI training. Stop guessing your earnings and start tracking your success in real-time. Whether you need to monitor your hourly rate, calculate tax reserves, or generate professional invoices for your clients, Profit Timer is designed to keep your workflow simple and your finances transparent. KEY FEATURES: • LIVE EARNINGS Watch your income grow second by second based on your customized hourly rate. Take breaks without losing your session data. • PROFESSIONAL PDF INVOICES Generate and export polished, ready-to-send invoices with a single tap. Group your work by month or year to keep clients and tax authorities happy. • SMART FINANCIAL INSIGHTS Get a clear overview of your total time, average hourly rate, and most importantly: your actual net profit after automatically calculated tax reserves. • AUTOMATIC CURRENCY CONVERSION Working in USD but living in the EUR zone? Profit Timer handles live exchange rates for you, showing exactly what you earn in your home currency. • PRIVACY FIRST (NO CLOUD) Your data belongs to you. All work sessions, rates, and personal details are stored 100% locally on your device. We do not track you, and we have no access to your earnings. Download Profit Timer today and take full control of your freelance business! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Book Reader4 screens
Profit Timer4 screens

Verdict

The call

The clearest difference is ads: Profit Timer at none against PDF Book Reader's shown. PDF Book Reader's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, update cadence 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. PDF Book Reader sells 2 in-app purchases, starting at $3.99 per month and Profit Timer sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Book Reader ships an update every 5 days, Profit Timer every 3 days. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Book Reader versus Profit Timer: the parameters behind the verdict, then further details
ParameterPDF Book ReaderProfit Timer
PriceFreeFree
Rating3.9 (32 ratings) — better—
Positive reviews63.2% of reviews—
Number of ratings32 — better—
Update frequencyEvery 5 daysEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.0
Further details — not scored
Size46 MB12 MB
Age rating4+4+
DeveloperB TO J PTY LTDBenjamin Fahrwald

In-app purchases

2 purchases

PDF Book Reader

Subscriptions2
  • 1 Month Subscription$3.991 Month
  • 1 Year Subscription$28.991 Year
3 purchases

Profit Timer

Subscriptions2
  • Profit Timer Pro$1.991 Month
  • Profit Timer Pro7 Days trial$14.991 Year
One-time1
  • Profit Timer Pro (Lifetime)$34.99

Questions

Is PDF Book Reader free?
PDF Book Reader is free to download, with in-app purchases available.
Is Profit Timer free?
Profit Timer is free to download, with in-app purchases available.
Do PDF Book Reader or Profit Timer have ads?
PDF Book Reader shows ads; Profit Timer does not.
Which is updated more often, PDF Book Reader or Profit Timer?
PDF Book Reader ships an update every 5 days, and Profit Timer every 3 days. Most recently, PDF Book Reader was updated on October 15, 2026 and Profit Timer on October 1, 2026.

Other comparisons