Comparison

Calculator+ Photo Math Solver vs Barnacle

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

Head to head
About

Calculator+ Photo Math Solver

This app offers a straightforward yet capable calculator for daily use on iPhone and iPad. It includes all essential arithmetic functions and maintains a history of your computations. Enjoy features like saving, copying, and forwarding calculations, along with a dark theme and multitasking support.

Highlights
  • Simple and fast calculation
  • Calculation history
  • iPad version support
  • Multitasking (Split View)
  • Save, copy, and forward calculations
  • Backspace button
  • Dark theme
Features
Read full description

Calculator+ is a complete everyday calculator for iPhone, iPad and Apple Watch, built for quick answers, longer calculations and moments where history matters. Use it as a basic or scientific calculator for totals, percentages, discounts, tax, tips, fractions and multi-step work. Calculation history helps you review earlier steps, copy results, keep important values and continue without retyping the same numbers. When a problem is on paper, a bill, a worksheet or a screen, scan it with the camera and solve math from a photo. Unit and currency conversion make the app useful for school, shopping, work estimates, travel planning and comparing prices across currencies. Home Screen widgets keep common calculations close, the iPad layout gives you more room to work, and Apple Watch support handles quick calculations from your wrist. Themes let you keep the calculator clean, readable and matched to the way you use it every day. Information about the auto-renewable nature of the subscription - The price of the subscription is $4.99 per week or $29.99 per year. Every month/year your subscription is auto-renewed. - Subscription automatically renews if automatic renewal is not turned off at least 24 hours before the end of the current period - Charging for renewal of subscription takes place within 24 hours before the end of the current period. - After the end of the trial period, the monthly subscription will begin with the price accepted in your country - Update, manage and unsubscribe according to Apple's rules in your iTunes account settings - You can cancel your subscription via this URL: https://support.apple.com/en-us/HT202039 - Privacy Policy: https://lykovstudio.io/privacy - Terms of Use: https://lykovstudio.io/terms

About

Barnacle

Features
Read full description

Barnacle is a barcode wallet. Scan any code a machine can read, give it a name, put it in a group, and it is ready to show at the till, the gate or the gym desk. On your iPhone and iPad, and on your Apple Watch with the standalone watch app. WHAT IT KEEPS • Loyalty and rewards cards • Gym, library and club membership cards • Tickets, passes and vouchers • QR codes, coupons, anything with a barcode HOW IT WORKS • Point the camera at the code. Barnacle reads QR codes, EAN-13, EAN-8, UPC-A, UPC-E, Code 128, Code 39, Code 93, Codabar, ITF-14, PDF417, Aztec and Data Matrix. • No code to scan? Type the number in and pick the format. • Name it and drop it in a group, so the right card is one tap away. • Show it. Every code is drawn crisp on a white plate that scanners actually read. MAKE IT YOURS • Give each card a colour, or two, from the palette or the colour picker. • See the wallet as a list, or as tiles two or three to a row. ON YOUR HOME SCREEN • Widgets in every size show all your cards, one group, or the ones you pick. Tap a card and it opens. • Long-press the app icon to scan. ON YOUR WRIST Your cards, colours and all, copy from the phone to the watch on their own. Raise your wrist, tap the card, scan. No phone needed at the counter. FREE FOR TWO CODES Barnacle is free for two codes, on your phone and your watch. Barnacle Unlimited, one payment, unlocks the lot for good. No subscription. PRIVATE BY DESIGN • No account, no sign-in, no server. • Codes live only on your devices and never leave them. • No analytics, no tracking, no ads. Barnacle stores the code itself, not a photo of it, so it renders sharp every time, at any size, on any screen.

Screenshots

Calculator+ Photo Math Solver4 screens
Barnacle4 screens

Verdict

The call

The clearest difference is update cadence: Barnacle at every 2 days against Calculator+ Photo Math Solver's weekly. On price, ads, in-app purchases 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. Calculator+ Photo Math Solver sells 3 in-app purchases, starting at $4.99 per 7 days and Barnacle sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Calculator+ Photo Math Solver ships an update weekly, Barnacle every 2 days. The most recent releases landed on November 6, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Calculator+ Photo Math Solver versus Barnacle: the parameters behind the verdict, then further details
ParameterCalculator+ Photo Math SolverBarnacle
PriceFreeFree
Rating4.0 (22 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings22 — better—
Update frequencyWeeklyEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Apple Watch
Requires iOS16.0 — better16.4
Further details — not scored
Size32 MB46 MB
Age rating4+4+
DeveloperLYKOV STUDIO LTDLuke Wilkinson

In-app purchases

3 purchases

Calculator+ Photo Math Solver

Subscriptions2
  • Премиум неделя3 Days trial$4.997 Days
  • Премиум год$29.991 Year
One-time1
  • Lifetime$39.99
1 purchases

Barnacle

One-time1
  • Barnacle Unlimited2 variants$5.99

Questions

Is Calculator+ Photo Math Solver free?
Calculator+ Photo Math Solver is free to download, with in-app purchases available.
Is Barnacle free?
Barnacle is free to download, with in-app purchases available.
Do Calculator+ Photo Math Solver or Barnacle have ads?
Neither Calculator+ Photo Math Solver nor Barnacle shows ads.
Which is updated more often, Calculator+ Photo Math Solver or Barnacle?
Calculator+ Photo Math Solver ships an update weekly, and Barnacle every 2 days. Most recently, Calculator+ Photo Math Solver was updated on November 6, 2026 and Barnacle on October 24, 2026.

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