Comparison

Scientific Calculator++ vs Lens Scan

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

Head to head
About

Scientific Calculator++

This powerful calculator app offers advanced functions for complex calculations, including fraction manipulation, angle conversions, and equation solving. It features a history of your calculations and a user-friendly interface designed for iPad.

Highlights
  • Calculation history
  • Fraction manipulation
  • Angle conversion (degrees, minutes, seconds)
  • Permutation and combination calculations
  • LCM and GCD
  • Equation solver
  • Coordinate conversion
Read full description

The creators of 5-star Scientific++ and Statistics Calculator++ redesigned Scientific Calculator++ exclusively for iPad. Please note that the statistics features that you see in the screen shots are only available through an In-App Purchase. The features that are listed below are all included in the regular purchase of the app. Major features of Scientific Calculator++ are: - Shows the expression as you enter and keeps a history of your calculations. - Capability of performing fraction manipulations and converting between different formats (proper, improper, and mixed fractions) and seamless integration of fraction, integer, and decimal manipulations. - Capability of inputting degrees, minutes, and seconds for angles and converting between degrees-minutes-seconds format and decimal format. - Capability of calculating permutation, combination, Least Common Multiple (LCM), Greatest Common Divisor (GCD), and prime factorization. - Quadratic and system of two linear equations solver. - Rectangular to polar and polar to rectangular coordinate conversion (extremely useful for phasor calculations for electrical engineers) - Common physical constants can be chosen from a list and used in the calculations. - Throws a set of dice (choice of 1 die to 4 dice) - Backspace to delete last digit entered. - Sinusoidal functions can be calculated for angles in units of degrees, radians, or gradians. - Showing the content of memory on MR button, as long as it fits. You are going to love the simplicity of the user interface and yet have the powerful functionality with which Scientific Calculator++ is loaded. Please do not hesitate to contact us for any questions, comments, to report any bugs, or to suggest additional functions you would like to see in the upcoming updates. Visit our website www.dogahe.com for other product descriptions.

About

Lens Scan

Instantly identify plants, animals, insects, coins, antiques, and everyday objects using AI-powered image recognition. Get detailed information, care tips, and historical context with just a photo.

Highlights
  • Identify plants and get care tips
  • Recognize animals and their breeds
  • Identify insects and bugs
  • Scan coins for value and history
  • Identify antiques and historical items
  • Recognize everyday objects
Features
Read full description

Have you ever stopped and asked yourself: “What is this plant called?”, “What bug just crawled past me?”, or “Could this coin actually be valuable?” We’ve all had those moments of curiosity when the world shows us something unfamiliar. That’s exactly where Lens Scan comes in. With just one photo, Lens Scan uses advanced AI-powered recognition technology to give you instant answers. Whether it’s nature, animals, coins, antiques or everyday objects, Lens Scan helps you understand and explore the things around you. What Can Lens Scan Do? - Identify plants instantly Wondering “What’s the name of this flower?” or “How do I take care of this plant in my house or garden?” Lens Scan recognizes plants, flowers, and trees, while also providing care tips and growth insights. - Recognize animals & breeds Curious about a pet you saw in the park? “What breed is this dog?” or “Is this cat a specific type?” Lens Scan gives you the details you need. - Understand insects and bugs Found something crawling on your windowsill? Thinking “Is this bug harmful?” or “What kind of insect is this?” Snap a photo and get an instant answer. - Check coins & collectibles Collectors often wonder “Is this coin rare?” or “What’s the history behind this currency?” Lens Scan can scan coins and help you learn if they’re valuable or special. -Explore antiques & historical items Found an old watch, vase, or tool and thought “Is this an antique?” or “What era is this from?” Lens Scan helps identify antiques and unique collectibles, offering background details so you can better understand their history and significance.Is this antique lamp valuable?" or " - Identify everyday objects Sometimes you just want to know, “What exactly is this?” Lens Scan works on all kinds of objects — from tools to gadgets — giving you quick, reliable information. Why Choose Lens Scan? Fast & Accurate: Point your camera, snap a picture, and get results in seconds. More Than Just Names: Lens Scan goes beyond simple identification. You’ll also receive context, background information, and care advice when relevant. All-in-One Discovery Tool: Instead of downloading different apps for plants, animals, insects, or coins, Lens Scan puts everything in one powerful app. Simple & Intuitive: Designed for everyone. Just snap, scan, and discover. Who Is Lens Scan For? Nature lovers & gardeners: Quickly identify plants and get actionable care tips. Pet owners & animal enthusiasts: Learn more about breeds, traits, and species. Collectors: Discover insights about coins, antiques, and rare finds. Parents & kids: Turn curiosity into a fun, educational adventure. Everyday explorers: Anyone who wants instant answers about the world around them. Questions You Can Ask Lens Scan “How do I know if my houseplant needs more sunlight?” “What type of tree is this?” “What breed of dog did I just see?” “What bug is this and is it safe?” “Is this coin rare or valuable?” “What era is this antique from?” “What’s the history of this object I found?” With Lens Scan, your questions turn into instant answers, helping you satisfy your curiosity wherever you are. A Smarter Way to Explore Lens Scan i your companion for exploration. Whether you’re walking in the park, traveling abroad, browsing a flea market, or teaching your kids about nature, Lens Scan makes learning effortless. By combining AI technology with a simple, user-friendly design, the app transforms everyday curiosity into knowledge you can trust. Lens Scan requires a subscription to use. Your subscription will automatically renew at the end of each term unless canceled at least 24 hours before the end of the current period. Manage your subscription and turn off auto-renewal in your account settings after purchase if you would not like to get an auto renewing subscription. Download Lens Scan today and explore your world the fullest! Privacy Policy: https://lensscan.app/privacy Terms of Use: https://lensscan.app/terms

Screenshots

Lens Scan4 screens

Verdict

The call

The clearest difference is price: Lens Scan at Free against Scientific Calculator++'s $2.99. Lens Scan also leads on update cadence (fortnightly vs every 38 months) and ratings volume (20K vs 21). Scientific Calculator++'s advantage is review sentiment (67% vs 27%) and in-app purchases (none vs 10). On 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

Lens Scan is free to download; Scientific Calculator++ costs $2.99 up front. Lens Scan sells 8 in-app purchases, starting at $4.99 per 7 days. Scientific Calculator++ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Scientific Calculator++ holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Lens Scan has 20K ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 67% of Scientific Calculator++'s written reviews are positive against 27% of Lens Scan's.

UpkeepUpdate frequency

Scientific Calculator++ ships an update every 38 months, Lens Scan fortnightly. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

Scorecard9 real differences · 2 level
Scientific Calculator++ versus Lens Scan: the parameters behind the verdict, then further details
ParameterScientific Calculator++Lens Scan
Price$2.99Free — better
Rating5.0 (21 ratings) — better4.6 (20K ratings)
Positive reviews66.7% of reviews — better27.1% of reviews
Number of ratings2120K — better
Update frequencyEvery 38 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank—#32 — better
DevicesiPadiPhone, iPad — better
Requires iOS13.0 — better16.6
Further details — not scored
Size3 MB96 MB
Age rating4+4+
DeveloperDogaheEvenEdge

Customer experience

Scientific Calculator++

All ratings21 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Lens Scan

All ratings19,610 ratings
Positive90.6%
Neutral3.0%
Negative6.4%
Written reviews639 reviews
Positive27.1%
Neutral3.1%
Negative69.8%

Bugs and requests

Scientific Calculator++

Not enough reviews yet to summarise bugs or requests.

Lens Scan

Reported bugs

3 issues
  • Crashes frequently
  • Fails to identify common items
  • Doesn't work after initial use

Requested features

2 requests
  • Dark mode option
  • Better identification accuracy

In-app purchases

None

Scientific Calculator++

No in-app purchases

8 purchases

Lens Scan

Subscriptions8
  • Lens Scan Pro Weekly Discount$4.997 Days
  • Lens Scan Pro Weekly$8.997 Days
  • Lens Scan Pro Weekly3 Days trial$9.997 Days
Show 5 more
  • Lens Scan Pro Monthly$14.991 Month
  • Lens Scan Pro Yearly Promo$39.991 Year
  • Lens Scan Pro Yearly3 Days trial3 variants$79.991 Year
  • Lens Scan Pro Monthly1 Month trial$79.991 Year
  • Lens Scan Pro Yearly3 Days trial$89.991 Year

Questions

Is Scientific Calculator++ free?
Scientific Calculator++ costs $2.99, with no in-app purchases.
Is Lens Scan free?
Lens Scan is free to download, with in-app purchases available.
Which has better reviews, Scientific Calculator++ or Lens Scan?
Scientific Calculator++ is rated higher. Scientific Calculator++ averages 5.0 out of 5 from 21 ratings, while Lens Scan averages 4.6 from 20K ratings.
Do Scientific Calculator++ or Lens Scan have ads?
Neither Scientific Calculator++ nor Lens Scan shows ads.
Which is updated more often, Scientific Calculator++ or Lens Scan?
Scientific Calculator++ ships an update every 38 months, and Lens Scan fortnightly. Most recently, Scientific Calculator++ was updated on November 1, 2026 and Lens Scan on November 8, 2026.

Other comparisons