Comparison

QR Code Maker ◌ vs Just Calc.

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

Head to head
About

QR Code Maker ◌

Easily generate a wide variety of QR codes for personal or business use, including websites, contact info, and social media profiles. Save, share, and access your creation history with an intuitive interface.

Highlights
  • Generate QR codes for text, URLs, contacts, and Wi-Fi
  • Create social media QR codes (WhatsApp, Instagram, TikTok)
  • Generate finance QR codes (PayPal)
  • Save generated QR codes to photo gallery
  • Share QR codes instantly
  • Access QR code generation history
Features
Read full description

QR Code Maker is the perfect app for generating a wide range of QR codes for personal or business use. Whether you're looking to create a QR code for a website, contact information, or your social media profiles, this app makes the process fast and easy. You can generate QR codes for various types of data, including text, URLs, phone numbers, contacts, messages, emails, Wi-Fi credentials, locations, and calendar events. The app also lets you create QR codes for popular social media platforms like WhatsApp, YouTube, Instagram, Facebook, X (formerly Twitter), TikTok, Telegram, and Spotify. Key features include: Generate QR codes for general use: text, URLs, phone numbers, contacts, messages, emails, Wi-Fi, locations, and calendar events. Create QR codes for social media platforms: WhatsApp, YouTube, Instagram, Facebook, X, TikTok, Telegram, and Spotify. Finance QR code generation: PayPal. Save your generated QR codes to your phone’s photo gallery. Share your QR codes instantly through messaging apps, social media, or email. Access your QR code generation history, so you can retrieve previously created codes. QR Code Maker offers an intuitive and user-friendly interface, allowing you to create and manage your QR codes effortlessly. Whether you're promoting your social media presence, or sharing important contact information, this app provides a seamless solution for all your QR code needs. Download the app today to start creating and sharing custom QR codes! QR Code Maker app is free. You can use it forever, at no cost. However, QR Code Maker does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. Terms of Use: https://kociapp.github.io/QR-Generator/term-of-use Privacy Policy: https://kociapp.github.io/QR-Generator/privacy-policy

About

Just Calc.

Features
Read full description

Just Calc. is a scientific calculator made for students and everyday use, with a clean interface and a solid feel. Make it yours with 8 theme packs, each with its own colours, keys, fonts, artwork and app icon. TWO CALCULATOR MODELS, ONE APP • Scientific model: formula library (FMLA) and constants library (CONST) • Programmable model: adds integral ∫, derivative d/dx and a Break command for programs, with statistics data limits like the real thing • Each model keeps its own settings and programs. Switching is free. FREE • All calculation modes: COMP, statistics, complex numbers, number bases and more • Fractions (improper or mixed), angle units and number format settings • Statistics (single-variable and two-variable) • Programs: P1 and P2, with 6 built-in presets you can insert straight from a list while editing • 4 colour themes with Smooth key texture • English and Traditional Chinese interface THEME PACKS (buy one at a time, one-time purchase) Minimalist (new), Color Blocks, Retro OS, Neo Brutal, Y2K Desktop, Pixel Pastel, Doodle, Summer Comic PRO (one-time purchase, not a subscription) • All theme packs, including any new packs released later • All colour themes and key textures • Program slots P3 and P4 • No ads PRIVACY Your calculations and history stay on your device. No account needed. The free version shows ads; see the privacy policy for details. Just Calc. is not affiliated with any calculator manufacturer.

Screenshots

QR Code Maker ◌4 screens
Just Calc.4 screens

Verdict

The call

The clearest difference is update cadence: Just Calc. at weekly against QR Code Maker ◌'s every 10 months. QR Code Maker ◌'s advantage is iOS requirement (16.0 vs 18.0). 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. QR Code Maker ◌ sells 4 in-app purchases, starting at $1.99 per 7 days and Just Calc. sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

QR Code Maker ◌ ships an update every 10 months, Just Calc. weekly. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 8 level
QR Code Maker ◌ versus Just Calc.: the parameters behind the verdict, then further details
ParameterQR Code Maker ◌Just Calc.
PriceFreeFree
Rating4.9 (77 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings77 — better—
Update frequencyEvery 10 monthsWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size14 MB9 MB
Age rating4+4+
DeveloperAndy SutantoYuqin Lin

In-app purchases

4 purchases

QR Code Maker ◌

Subscriptions2
  • QR Code Generator Pro - 1W$1.997 Days
  • QR Code Generator Pro - 1Y3 Days trial$19.991 Year
One-time2
  • Offering$19.99
  • QR Code Maker Pro$39.99
9 purchases

Just Calc.

One-time9
  • Minimalist$0.99
  • Color Blocks Pack$0.99
  • Neo Brutal Pack$0.99
Show 6 more
  • Y2K Desktop Pack$0.99
  • Retro OS Pack$0.99
  • Pixel Pastel Pack$0.99
  • Doodle Pack$0.99
  • Summer Comic Pack$0.99
  • Unlock Premium$7.99

Questions

Is QR Code Maker ◌ free?
QR Code Maker ◌ is free to download, with in-app purchases available.
Is Just Calc. free?
Just Calc. is free to download, with in-app purchases available.
Do QR Code Maker ◌ or Just Calc. have ads?
Both QR Code Maker ◌ and Just Calc. show ads.
Which is updated more often, QR Code Maker ◌ or Just Calc.?
QR Code Maker ◌ ships an update every 10 months, and Just Calc. weekly. Most recently, QR Code Maker ◌ was updated on November 8, 2026 and Just Calc. on November 10, 2026.

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