Comparison

PDFExchanger vs Timetable‑Principal Version

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

Head to head
About

PDFExchanger

Features
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PDFExchanger: Your All-in-One PDF to Image & Document Transformer Tired of uneditable PDFs? PDFExchanger is the fastest tool to convert PDF files into high-resolution images (JPG, PNG)​ or editable documents (Word, TXT). No more retyping—extract text and images with one tap. Key Features: PDF to Image: Export each PDF page as a crisp JPG or PNG. Perfect for sharing on social media or inserting into presentations. PDF to Word: Convert scanned PDFs into fully editable Word (.docx) files. Preserve fonts, layouts, and formatting accurately. Batch Processing: Convert multiple files at once. Save hours on repetitive tasks. Privacy First: All processing happens on your device. Your files never leave your iPhone/iPad. Cloud Integration: Seamlessly import from iCloud, Google Drive, or Dropbox, and export to your favorite apps. Who is it for? Students: Convert textbook pages to images for flashcards or notes. Office Workers: Turn contracts and reports into Word for quick edits. Designers: Extract images from PDF portfolios without quality loss. Download PDFExchanger now and reclaim control over your documents! https://pdfexchanger.com/pdfconverter/privacy.html https://pdfexchanger.com/pdfconverter/terms.html

About

Timetable‑Principal Version

Features
Read full description

TimeTable - run your whole school's timetable in one app [Scheduling in a few taps] · Auto-fill the week from each class's weekly periods, avoiding teacher and room clashes · Tap two lessons to swap their times, or press and hold to force a lesson in (blocking lessons move out of the way) · One tap fills the empty slots with Study Hall · Review the result by class, by teacher or by room [The whole school on one screen] · Class, teacher, room and multi-dimension overviews · Wide layout for the whole week, tall layout for a single day - switch with one tap · Rows line up so one class, one teacher or one room is easy to follow · Double periods merge into a single block; lessons never merge across days [Export print-ready timetables] · Class, teacher and room posters, with your school name and logo · Save to Photos, share, or print - laid out for A4 [Enter your lists once] · Import teachers, classes, subjects, rooms and weekly periods from Excel / CSV, with templates · No spreadsheet needed: paste a table and import it · Colours are assigned automatically so the grid stays readable [Your data stays yours] · One timetable = one independent data set (its own stages, classes, teachers, rooms, subjects and lessons) · Multiple timetables: Gold 2 / Diamond 3 / Supreme unlimited · Stored only on your device, never uploaded; a built-in Data check finds broken records [Membership] · Free: 1 timetable, up to 5 teachers, 2 subjects per teacher · Gold / Diamond / Supreme: more timetables and teachers, plus finished timetable image export · All plans include a 1-month free trial; subscriptions renew automatically 24 hours before the period ends and can be cancelled anytime in Settings > Apple ID > Subscriptions [Who it is for] Head teachers, timetabling and school office staff, and training centres that would rather not buy expensive scheduling software - or fight with spreadsheets. Scheduling, without the busywork. Terms of Use (EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy:https://www.iphonesir.com/privacy.php

Screenshots

PDFExchanger3 screens
Timetable‑Principal Version4 screens

Verdict

The call

The clearest difference is in-app purchases: PDFExchanger at none against Timetable‑Principal Version's 3. Timetable‑Principal Version's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On price 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. Timetable‑Principal Version sells 3 in-app purchases, starting at $1.99 per month. PDFExchanger asks for nothing beyond the download.

UpkeepUpdate frequency

PDFExchanger ships an update every 2 weeks, Timetable‑Principal Version every 3 days. Both last shipped on October 31, 2026.

Scorecard5 real differences · 1 level
PDFExchanger versus Timetable‑Principal Version: the parameters behind the verdict, then further details
ParameterPDFExchangerTimetable‑Principal Version
PriceFreeFree
Update frequencyEvery 2 weeksEvery 3 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS1715.0 — better
Further details — not scored
Size15 MB18 MB
Age rating4+4+
Developer楚城 卓shouhui qi

In-app purchases

None

PDFExchanger

No in-app purchases

3 purchases

Timetable‑Principal Version

Subscriptions3
  • Gold VIP1 Month trial$1.991 Month
  • Diamond VIP1 Month trial$3.991 Month
  • Supreme VIP1 Month trial$5.991 Month

Questions

Is PDFExchanger free?
PDFExchanger is free to download, with no in-app purchases.
Is Timetable‑Principal Version free?
Timetable‑Principal Version is free to download, with in-app purchases available.
Do PDFExchanger or Timetable‑Principal Version have ads?
PDFExchanger shows ads; Timetable‑Principal Version does not.
Which is updated more often, PDFExchanger or Timetable‑Principal Version?
PDFExchanger ships an update every 2 weeks, and Timetable‑Principal Version every 3 days. Most recently, PDFExchanger was updated on October 31, 2026 and Timetable‑Principal Version on October 31, 2026.

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