Comparison

Conversions vs PDF Fox

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

Head to head
About

Conversions

Easily convert over 100 units across various categories like temperature, length, and weight. View conversion formulas, copy results, and share them directly. Enjoy a private, ad-free experience with a native iOS design.

Highlights
  • Convert 100+ units
  • Temperature, length, weight conversions
  • View conversion formulas
  • Copy and share conversions
  • Native iOS design
  • Ad-free experience
Features
Read full description

Conversions helps you convert different units of measurement, including units of temperature, length, or weight. Use Conversions to convert common measures, such as Fahrenheit to Celsius, meters to feet, and pounds to kilograms, or more technical ones, such as Joule to Kilowatt Hour, Newton to Pound-Force, and Pascal to Bar. Features: · Convert over 100 units across categories like angle, area, data, energy, force, length, power, pressure, speed, temperature, time, volume, and weight · Keep track of up to 100 of your recent conversions · Save up to 25 favorites for quick access · View the exact formulas behind each conversion · Look up unit details, including symbols, measurement systems, and conversion formulas for related units · Copy your conversions to clipboard or share directly with others · Enjoy a native iOS design, using Apple’s latest frameworks and UI guidelines Conversions provides a private and secure, ad-free experience—no ads, no tracking, ever. Terms of Service: https://crater.tools/conversions/terms-of-service Privacy Policy: https://crater.tools/conversions/privacy-policy

About

PDF Fox

This comprehensive toolkit offers a suite of PDF management features, including editing, scanning, signing, and conversion. It prioritizes user privacy by operating entirely offline, ensuring your documents remain on your device without requiring accounts or subscriptions.

Highlights
  • Offline PDF editing
  • OCR text recognition
  • Secure PDF signing
  • Document scanning
  • PDF merging and splitting
  • File compression
  • Password protection
Features
Read full description

PDF Fox Pro: Professional PDF Tools All your PDF needs in one app! PDF Fox Pro is a privacy-focused PDF toolkit that works entirely offline. Your files never leave your device, ensuring total privacy and security. No accounts, no subscriptions, no cloud—just pure power in your pocket. NEW IN VERSION 2.0.0 • PDF Editor (Beta) - Zoom, rotate, delete pages, and add annotations • OCR Text Recognition (Beta) - Convert scans to searchable text (English, Turkish, Arabic, and more) • PDF Signing - Sign documents securely with certificates or hand-drawn signatures • Metadata Editor - Edit Title, Author, Subject, and Keywords • Smart Text Search - Find text easily even in scanned images via OCR • 20 Languages Support - Now fully localized for a global experience ALL PDF TOOLS IN ONE APP: • PDF Editor (Beta) - Edit text, add shapes, highlight, and annotate • OCR Text Recognition (Beta) - Convert scans to searchable text • High-Quality Scanner - Scan docs with auto-edge detection & filters • PDF Signing - Use .p12 certificates, draw, or type your signature • Form Filler - Automatically detect and fill interactive forms • Metadata Editor - Edit Title, Author, Subject, and Keywords • Merge PDF - Combine multiple PDF files into one • Split PDF - Extract pages or divide documents • Compress PDF - Reduce file size (Smart & Standard modes) • Organize Pages - Reorder, delete, or management layouts • Rotate PDF - Rotate individual pages or the whole document • PDF to Images - Convert pages to high-quality JPG/PNG • Images to PDF - Create professional PDFs from your photos • Protect PDF - Add passwords and set permissions (Print/Copy) • Unlock PDF - Remove password protection from your files • Add Watermark - Customize text, position, and opacity • Smart Search - Fast document-wide search (including OCR) • Page Grid View - Navigate large documents effortlessly PRIVACY & PERFORMANCE: • 100% Offline - No internet connection required • Files Stay Local - No files are ever uploaded to any server • No Account Required - Use all features without registration • Instant Processing - Optimized native modules for iOS • 10 Languages Support - Fully localized global experience PDF Fox Pro is a premium, ad-supported experience. No hidden fees or mandatory subscriptions.

Screenshots

Conversions4 screens
PDF Fox3 screens

Verdict

The call

The clearest difference is review sentiment: Conversions at 100% against PDF Fox's 0%. Conversions also leads on rating (5.0 vs 1.0) and update cadence (every 2 weeks vs every 2 months). PDF Fox's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price, ratings volume, ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Conversions holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 100% of Conversions's written reviews are positive against 0% of PDF Fox's.

UpkeepUpdate frequency

Conversions ships an update every 2 weeks, PDF Fox every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
Conversions versus PDF Fox: the parameters behind the verdict, then further details
ParameterConversionsPDF Fox
PriceFreeFree
Rating5.0 (2 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.615.1 — better
Further details — not scored
Size6 MB43 MB
Age rating4+4+
DeveloperPiotr BakkerYasin Kuyu

Customer experience

Conversions

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PDF Fox

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Conversions

No in-app purchases

None

PDF Fox

No in-app purchases

Questions

Is Conversions free?
Conversions is free to download, with no in-app purchases.
Is PDF Fox free?
PDF Fox is free to download, with no in-app purchases.
Which has better reviews, Conversions or PDF Fox?
Conversions is rated higher. Conversions averages 5.0 out of 5 from 2 ratings, while PDF Fox averages 1.0 from 1 ratings.
Do Conversions or PDF Fox have ads?
Neither Conversions nor PDF Fox shows ads.
Which is updated more often, Conversions or PDF Fox?
Conversions ships an update every 2 weeks, and PDF Fox every 2 months. Most recently, Conversions was updated on November 4, 2026 and PDF Fox on October 30, 2026.

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