Comparison

Painting Recognition vs ShellRef

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

Head to head
About

Painting Recognition

Instantly identify any painting by pointing your camera at it. Learn about the artist, historical context, and symbolism. Explore art history through bite-sized lessons and test your knowledge with quizzes. Save your art discoveries to a personal collection.

Highlights
  • Scan any painting with your camera
  • Identify artist, technique, and context
  • Learn art history through 13 lessons
  • Discover random masterpieces
  • Ask follow-up questions about art
  • Save scanned paintings to personal collection
Features
Read full description

I've always loved walking through museums, but I often felt like I was missing the story behind each painting. That's why I built ArtScan, so anyone can understand and talk about art with confidence. SCAN ANY PAINTING Point your camera at any artwork -in a museum, in a book, or online- and instantly learn the artist, technique, historical context, and hidden symbolism behind it. LEARN ART HISTORY Explore 13 bite-sized lessons covering every major movement from Renaissance to Pop Art. Each lesson includes key artists, iconic paintings, and a quiz to test your knowledge. Available in 12 languages. DISCOVERY MODE Not sure what to explore? Tap to discover a randomly selected masterpiece. You never know what painting will inspire you next. ASK ANYTHING Go deeper with any artwork. Ask follow-up questions about technique, symbolism, or the artist's life, like having a personal art historian in your pocket. YOUR ART JOURNEY Every painting you scan is saved to your personal collection, building a visual diary of your art discoveries over time. From Giotto to Banksy, ArtScan brings the story behind every canvas to your fingertips. PS: If you find Vincent van Gogh's painting in the description, you know this app is for you ;) Note: 1 free scan included. Unlimited access available with in-app purchase. Privacy Policy: https://lienmuguercia.com/PaintingScanner/legal.html Terms and Conditions: https://lienmuguercia.com/PaintingScanner/terms.html

About

ShellRef

This app provides an offline reference for Bash, Zsh, and terminal editors, mimicking a retro technical manual. It's ideal for quickly looking up commands, syntax, and scripting practices without needing an internet connection. Features include search, bookmarks, and customizable display themes.

Highlights
  • Offline Bash and Zsh reference
  • Terminal editor guides (Nano, Vim, Emacs)
  • Quick command lookup
  • Searchable content
  • Customizable themes
  • Adjustable text size
  • Bookmarks
Features
Read full description

ShellRef is an offline reference for Bash, Zsh, and terminal editors, presented as a focused CRT console reference manual. It’s designed for quick lookup while you work—whether you’re writing your first shell script, checking quoting rules, reviewing Zsh behavior, or trying to remember a Vim command without opening a browser. The app includes reference sections for: • Bash fundamentals, control flow, functions, strings and arrays, file I/O, processes, and scripting practices • Zsh differences, globbing, arrays, and configuration • Common command-line tools for text processing, file operations, and system tasks • Terminal editors including Nano, Vim, and Emacs Topics are organized as short reference entries with examples, notes, warnings, and tables where they help clarify syntax and behavior. ShellRef also includes: • Offline access to the full reference library • Search across commands, topics, examples, and notes • My Quick Refs for saving frequently used entries • A CRT-inspired interface with White, Green, and Amber phosphor display modes • Optional scanlines and adjustable display glow • Reduced-effects controls for a cleaner reading experience • Adjustable text size for easier reading on iPhone and iPad ShellRef is intended for developers, sysadmins, students, and anyone who wants a readable shell reference without ads, accounts, or an internet connection.

Screenshots

Painting Recognition4 screens
ShellRef4 screens

Verdict

The call

The clearest difference is price: Painting Recognition at Free against ShellRef's $0.99. Painting Recognition also leads on ratings volume (70 vs 1) and update cadence (every 10 days vs every 3 weeks). ShellRef's advantage is rating (5.0 vs 3.6) and in-app purchases (none vs 6). On ads, device support and iOS requirement 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

Painting Recognition is free to download; ShellRef costs $0.99 up front. Painting Recognition sells 5 in-app purchases, starting at $8.99 per 7 days. ShellRef asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ShellRef holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Painting Recognition has 70 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Painting Recognition ships an update every 10 days, ShellRef every 3 weeks. Both last shipped on October 19, 2026.

Scorecard6 real differences · 4 level
Painting Recognition versus ShellRef: the parameters behind the verdict, then further details
ParameterPainting RecognitionShellRef
PriceFree — better$0.99
Rating3.6 (70 ratings)5.0 (1 ratings) — better
Positive reviews34.9% of reviews—
Number of ratings70 — better1
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.6
Further details — not scored
Size22 MB19 MB
Age rating4+4+
DeveloperHanva,LLCAndrew Bacon

Customer experience

Painting Recognition

All ratings70 ratings
Positive64.3%
Neutral1.4%
Negative34.3%
Written reviews43 reviews
Positive34.9%
Neutral0.0%
Negative65.1%

ShellRef

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Painting Recognition

Subscriptions4
  • Weekly Plan$8.997 Days
  • Weekly Plan$9.997 Days
  • Annual Plan2 variants$29.991 Year
Show 1 more
  • Annual Plan1 Year trial$29.991 Year
One-time1
  • Lifetime Access$9.99
None

ShellRef

No in-app purchases

Questions

Is Painting Recognition free?
Painting Recognition is free to download, with in-app purchases available.
Is ShellRef free?
ShellRef costs $0.99, with no in-app purchases.
Which has better reviews, Painting Recognition or ShellRef?
ShellRef is rated higher. Painting Recognition averages 3.6 out of 5 from 70 ratings, while ShellRef averages 5.0 from 1 ratings.
Do Painting Recognition or ShellRef have ads?
Neither Painting Recognition nor ShellRef shows ads.
Which is updated more often, Painting Recognition or ShellRef?
Painting Recognition ships an update every 10 days, and ShellRef every 3 weeks. Most recently, Painting Recognition was updated on October 19, 2026 and ShellRef on October 19, 2026.

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