Comparison

PDF Converter vs Stellar

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

Head to head
About

PDF Converter

Transform photos and documents into professional PDFs. Organize, edit, and secure your files with a suite of tools. Works offline for enhanced privacy and speed.

Highlights
  • Create PDFs from photos, documents, or scans
  • Merge, split, and compress PDF files
  • Add passwords and digital signatures
  • Organize PDFs with a folder system
  • Search and filter documents
  • Offline functionality
Features
Read full description

PDF Converter & Organizer puts the power of a full-featured PDF studio in your pocket—transforming photos, documents, and more into perfect, ready-to-share PDFs in seconds. Seamlessly merge, split, compress, and secure your files, then organize them with intuitive tools, all without ever leaving your device. Features: Create PDFs from Any Source • Import photos, documents, or scan new pages • Use our Share Extension to generate PDFs from any app Organize & Manage • Folder System — Create, rename and nest folders to keep PDFs organized • Search & Filter — Instantly locate documents by name and date • Thumbnails & Previews — Automatic visual snapshots for quick identification Edit & Enhance • Merge, split, extract or rotate pages • Compress files to save space without sacrificing quality • Add passwords, permissions, and digital signatures (draw, type or import) Stay Organized • Browse your history with folders, search, and smart sorting • Preview thumbnails and see “just now” or “2 hours ago” timestamps Customize Your Workflow • Choose page size (Auto, A4, Letter, Legal, A3), orientation and margins • Adjust image quality and include metadata or watermarks • Set default creation options so every PDF is just the way you like it Seamless Integration & Accessibility • Works entirely offline for privacy and speed • Full Files app and iOS Share Sheet support • Accessibility features: dynamic text sizing, high-contrast mode, Reduce Motion, and robust VoiceOver labels Privacy Notice: • All of your PDFs are stored locally on your device. Make sure to export or share your PDFs if you decide to delete the app. Subscription Terms: PDF Converter is offered in both a Pro subscription and a free version. To continue with the free version, tap the “X” in the upper-left or upper-right corner of the subscription screen. Free Trial New users may be eligible for a free trial period of Pro. Trial length and terms vary by region and will be clearly displayed before you confirm. Unless you disable auto-renewal at least twenty-four (24) hours before the trial ends, your plan will convert to a paid subscription and your iTunes account will be charged the applicable fee. Paid Subscription By subscribing to Pro, you authorize the App to charge you a weekly, monthly, or annual fee—rates vary by region and are displayed for your approval before purchase. Subscriptions automatically renew at the conclusion of each billing period unless you disable auto-renewal at least twenty-four (24) hours prior to the end of the then-current term. Renewal fees will equal the original subscription price and will be charged to your iTunes account upon expiration of the existing term. You may manage your subscription and disable auto-renewal at any time after purchase via your iTunes Account Settings. No refunds will be issued for any unused portion of a subscription term. For more information, please read our Terms of Service (https://getpdfapp.com/terms) and Privacy Policy (https://getpdfapp.com/privacy).

About

Stellar

Features
Read full description

Turn focus into a universe. Stellar is a focus timer that rewards your concentration. Every session you complete creates a real celestial object, stars, planets, nebulae and rare cosmic phenomena, that takes its place in a universe that's entirely your own. Stay focused. Watch your galaxy grow. A FOCUS TIMER THAT MEANS SOMETHING Set a session, put your phone down, and stay on task. Finish, and you'll discover a new celestial body, the longer and more consistent you are, the rarer your discoveries. BUILD YOUR OWN UNIVERSE Pan and zoom across a living star map. Your discoveries form constellations, drift with subtle parallax, and glow against deep-space nebulae. No two universes look alike. COLLECT THE COSMOS Fill your Codex with 60+ celestial types across stars, planets, nebulae, and cosmic phenomena, from common yellow stars to mythic discoveries. STAY CONSISTENT Daily missions, focus streaks, and level progression keep you coming back. Watch your universe expand session after session. COSMIC SHIELD Block distracting apps during a session so nothing pulls you off course. Beautifully designed, calm, and rewarding. Stellar makes deep work something you look forward to.

Screenshots

PDF Converter3 screens
Stellar4 screens

Verdict

The call

The clearest difference is in-app purchases: Stellar at none against PDF Converter's 3. PDF Converter's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 18.0). On price, ads 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 Converter sells 3 in-app purchases, starting at $4.99 per month. Stellar asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Converter ships an update weekly, Stellar every 2 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 6 level
PDF Converter versus Stellar: the parameters behind the verdict, then further details
ParameterPDF ConverterStellar
PriceFreeFree
Rating4.3 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size17 MB7 MB
Age rating4+4+
DeveloperSafeMe Inc.Julian Khuy

In-app purchases

3 purchases

PDF Converter

Subscriptions3
  • PDF Converter Pro7 Days trial$4.991 Month
  • PDF Converter Pro3 Days trial$6.997 Days
  • PDF Converter Pro$19.991 Year
None

Stellar

No in-app purchases

Questions

Is PDF Converter free?
PDF Converter is free to download, with in-app purchases available.
Is Stellar free?
Stellar is free to download, with no in-app purchases.
Do PDF Converter or Stellar have ads?
Neither PDF Converter nor Stellar shows ads.
Which is updated more often, PDF Converter or Stellar?
PDF Converter ships an update weekly, and Stellar every 2 months. Most recently, PDF Converter was updated on October 28, 2026 and Stellar on October 24, 2026.

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