Comparison

PDF Translator & Translate vs Letter Explainer

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

Head to head
About

PDF Translator & Translate

Features
Read full description

Unleash the power of seamless communication with PDF Translator! Whether you are a student, a professional, or a traveler, our app breaks down language barriers by instantly translating your PDF documents into dozens of languages. Key Features: • Instant Translation: Convert your PDFs in seconds. • Format Preservation: Keep your original layout, images, and fonts intact. • Multi-language Support: Connect with the world in over 40 languages. Download PDF Translator today and experience a world without limits! *** Please be aware that in order translate a page you need to buy credits. One page is equals to one credit. Any credit prices vary based on the number purchased. *** Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.bubbleapp.studio/general-privacy

About

Letter Explainer

Features
Read full description

Got an official letter and only understand half of it? Postklar explains it in plain words - in your language. HOW IT WORKS • Take a photo of the letter or open a PDF • Postklar reads it and explains it in 2-3 simple sentences • You see right away what to do, by when, and how much WHAT POSTKLAR DOES • Finds deadlines - even in the legal notice - and adds them to your calendar • Copy amounts, IBANs and reference numbers with one tap • Every number is checked against the letter; anything uncertain is flagged • Ask questions about the letter: “What happens if I don’t pay?” • Draft a reply: objection, payment plan, extension • Tells you when to get professional help - with links to free advice services YOUR DIGITAL FILING CABINET Every letter is filed automatically by sender: tax office, job centre, health insurer, landlord… Searchable, exportable as PDF and synced across your devices with iCloud. IN YOUR LANGUAGE Explanations in English, German, Russian, Ukrainian, Arabic, Turkish, Polish and Spanish. PRIVACY • Your letters are never stored on our servers and never used for AI training • Private mode: analysis only on your iPhone • No account, no email needed PRICING 3 letters free. Then Postklar Pro (monthly or yearly, up to 6 family members) or a pack of 5 letters. Postklar explains letters; it is not legal advice. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Translator & Translate4 screens
Letter Explainer4 screens

Verdict

The call

The clearest difference is update cadence: Letter Explainer at every 5 days against PDF Translator & Translate's every 2 weeks. On price, ads, in-app purchases and device support 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 Translator & Translate sells 3 one-off in-app purchases and Letter Explainer sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Translator & Translate ships an update every 2 weeks, Letter Explainer every 5 days. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

Scorecard1 real difference · 5 level
PDF Translator & Translate versus Letter Explainer: the parameters behind the verdict, then further details
ParameterPDF Translator & TranslateLetter Explainer
PriceFreeFree
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS17.617.0 — better
Further details — not scored
Size11 MB22 MB
Age rating4+4+
DeveloperBerat GencArmen Ter-Oganezov

In-app purchases

3 purchases

PDF Translator & Translate

One-time3
  • Ten Pages$1.99
  • Fifty Page$5.99
  • Hundred Page$7.99
3 purchases

Letter Explainer

Subscriptions2
  • Postklar Pro Monthly$3.991 Month
  • Postklar Pro Yearly7 Days trial$24.991 Year
One-time1
  • 5 Scans$2.99

Questions

Is PDF Translator & Translate free?
PDF Translator & Translate is free to download, with in-app purchases available.
Is Letter Explainer free?
Letter Explainer is free to download, with in-app purchases available.
Do PDF Translator & Translate or Letter Explainer have ads?
Neither PDF Translator & Translate nor Letter Explainer shows ads.
Which is updated more often, PDF Translator & Translate or Letter Explainer?
PDF Translator & Translate ships an update every 2 weeks, and Letter Explainer every 5 days. Most recently, PDF Translator & Translate was updated on November 9, 2026 and Letter Explainer on November 6, 2026.

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