Comparison

OpenFind vs Calculator Star

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

Head to head
About

OpenFind

Instantly locate text within images, screenshots, books, and labels using your device's camera or photo library. Organize your findings with stars and create custom lists for quick searches, all processed offline for maximum privacy.

Highlights
  • Real-time text recognition
  • Search photo library
  • Camera scanning
  • Custom word lists
  • Offline processing
  • Privacy focused
Features
Read full description

Find is an app to find text in real life. Look for text anywhere, whether that’s in screenshots, books, or even nutrition labels — all in real-time. Search your entire photo library in a split second and organize it with stars. Or use the camera and speed through forms and worksheets without hardly a glance. Create lists of allergies or dietary restrictions and find unwanted ingredients instantly. Find is faster than the human eye. Find was designed with privacy in mind, so all processes happen offline and nothing ever leaves your phone. There are no servers, no data collection, no analytics, and no internet connection is required. Find is a free and open-source app by Andrew Zheng. It has no ads, subscriptions, or in-app purchases, and does not make money. The source code is available on GitHub: https://github.com/aheze/OpenFind Featuring: • Photos. The fastest way to find what you’re looking for. • Camera. Scan through books and worksheets like they’re nothing. • Lists. Group words together and search for them all at the same time.

About

Calculator Star

This AI-powered utility combines a voice-activated calculator with a suite of logic games to enhance both computational tasks and cognitive skills. Perform calculations hands-free, convert units, and challenge your mind with strategy and puzzle games.

Highlights
  • AI-powered voice calculator
  • Scientific and fraction calculator
  • Unit and currency converter
  • 16 logic and strategy games
  • Global leaderboard
  • Daily brain training challenges
Features
Read full description

Stop typing. Start solving. Start playing. Calculator Star™ is the world's first AI-powered utility that transforms your device into a mental gym. Combining a professional voice calculator with a full suite of brain-training logic games, it is the only app designed to calculate your work and cultivate your mind. THE INTELLIGENT CALCULATOR Experience the fastest way to calculate. Our AI math solver understands natural language, allowing you to compute hands-free. Voice Calculator: Just speak. "What is 25 times 44 plus 15%?" The app listens and solves instantly. Scientific & Fraction Master: A robust scientific calculator that handles algebra, complex fractions, mixed numbers, and trigonometry. Ideal for students replacing their TI-84. Unit & Currency Converter: Live exchange rates and instant unit conversion for travelers and professionals. Smart History: Searchable, shareable history of every calculation. THE BRAIN GYM: 16 LOGIC GAMES Switch from work to workout. Challenge your IQ with adaptive puzzle games and board games powered by a competitive AI engine. Strategy Classics: Master Chess, Backgammon, Checkers, and Go. Logic Puzzles: Sharpen focus with Sudoku, Minesweeper, and Hitori. Arcade Math: Test reflexes with 2048 and Connect 4. Brain Training: Daily challenges designed to improve memory, focus, and logical reasoning. THE STAR ECONOMY We have gamified the utility experience. Earn Stars: Every calculation and game victory earns you Stars. Global Leaderboard: Compete against users worldwide. Rank up from Novice to Grandmaster. Identity: Claim your unique @handle and build your reputation. PERFECT FOR: Students: Check math homework with voice, then reward yourself with a quick game of Chess. Professionals: Keep your mind sharp with daily Sudoku during breaks. Travelers: Split bills instantly with voice commands. No ads. No clutter. Just pure computation power and logic. Download Calculator Star today to solve, play, and win.

Screenshots

OpenFind4 screens
Calculator Star4 screens

Verdict

The call

The clearest difference is rating: Calculator Star at 5.0 against OpenFind's 4.4. OpenFind's advantage is ratings volume (9 vs 2) and iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and monetization model 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

Calculator Star holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 9 and 2 respectively.

Scorecard3 real differences · 7 level
OpenFind versus Calculator Star: the parameters behind the verdict, then further details
ParameterOpenFindCalculator Star
PriceFreeFree
Rating4.4 (9 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings9 — better2
Update frequency—Every 10 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.0
Further details — not scored
Size21 MB16 MB
Age rating4+4+
DeveloperFind App, Inc.Kevin Ho

Customer experience

OpenFind

All ratings10 ratings
Positive90.0%
Neutral0.0%
Negative10.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Calculator Star

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OpenFind

No in-app purchases

None

Calculator Star

No in-app purchases

Questions

Is OpenFind free?
OpenFind is free to download, with no in-app purchases.
Is Calculator Star free?
Calculator Star is free to download, with no in-app purchases.
Which has better reviews, OpenFind or Calculator Star?
Calculator Star is rated higher. OpenFind averages 4.4 out of 5 from 9 ratings, while Calculator Star averages 5.0 from 2 ratings.
Do OpenFind or Calculator Star have ads?
Neither OpenFind nor Calculator Star shows ads.

Other comparisons