Comparison

calcS16lite vs CalibratedNotes

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

Head to head
About

calcS16lite

A free calculator app offering hexadecimal calculations, variable font sizes, and metric prefix support. It features a moving view for typing accuracy and a clock display after 30 seconds of inactivity. The background color changes based on the time of day.

Highlights
  • Hexadecimal calculation
  • Moving-view for typing accuracy
  • Variable font size
  • Metric prefix support
  • SplitView/SlideView support (iPad)
  • Clock display
  • Time-based background color
Features
Read full description

This is calculator. CalcS16 free -. FreeVersion, (no ad banner). -. Hexadecimal calculation. -. Moving-view is implemented for typing miss. -. Use variable font size for misreading. -. Support metric prefix.( G,M,k,m,u,n,p) -.Support SplitView/SlideView(iPad) Flick to up/down, you will be understand the operation. when you want to g the numeric pad. "S" key is recommended. detail . This is the calculator app with sequential processing. . Mixed calculation of hexadecimal is possible. . if you do not touch screen during 30s. then screen change to clock. . Backgound color is changed by a time.( 0-10:Blue 10-16:Green 16-24:Red) . add metric prefix : "exp" double touching. . convert metric prefix : "=" double touching. please give me advise  for usability improvement.

About

CalibratedNotes

Features
Read full description

CalibratedNotes Capture ideas, solve problems, and organize everything in one powerful digital notebook. CalibratedNotes combines the freedom of handwriting with intuitive organization to help you take better notes. Whether you're recording lecture notes, solving mathematical equations, sketching engineering concepts, or planning projects, CalibratedNotes provides a clean, distraction-free workspace designed to keep you focused. Create notebooks for school, work, or personal use, customize your pages, and keep everything organized exactly the way you want. Write Naturally Enjoy a responsive handwriting experience with adjustable pen sizes, multiple ink colors, a highlighter, and an eraser. Every tool is designed to make writing feel comfortable, whether you're taking quick notes or filling pages with detailed calculations and sketches. Stay Organized Create unlimited notebooks, organize them into folders, customize notebook colors, and quickly switch between subjects or projects. As your collection grows, finding your notes remains simple and efficient. Custom Page Templates Choose the page layout that fits your work. Select from blank, lined, dotted, graph, and grid paper for everything from lecture notes to engineering drawings, mathematical calculations, bullet journals, and project planning. Handwriting & Text Combine handwritten notes with movable text boxes to create organized, professional-looking pages. Easily add mathematical and scientific symbols whenever you need them. Draw and Sketch Create engineering diagrams, graphs, charts, flowcharts, geometric figures, scientific illustrations, and technical sketches directly within your notebooks. Keep drawings and written notes together for a more organized workflow. Built for STEM CalibratedNotes makes it easy to organize engineering calculations, mathematical equations, scientific notes, laboratory observations, and technical diagrams in one place. Perfect for documenting complex ideas while keeping everything neat and easy to review. Flexible Pages Add, duplicate, and delete pages whenever you need. Whether you're writing a single page or an entire semester's worth of notes, your notebooks grow with your ideas. Customize Your Workspace Personalize notebook colors, organize folders your way, and choose page templates that match your workflow. CalibratedNotes adapts to your style instead of forcing you into a fixed layout. Features Writing Smooth handwriting Adjustable pen sizes Multiple pen colors Highlighter tool Eraser tool Organization Unlimited notebooks Unlimited pages Folder organization Custom notebook colors Fast notebook navigation Page Templates Blank paper Lined paper Dotted paper Graph paper Grid paper Productivity Movable text boxes Mathematical symbols Scientific symbols Duplicate pages Delete pages Drawing Engineering diagrams Graphs and charts Flowcharts Technical sketches Scientific illustrations Geometric drawings Whether you're taking notes in class, solving equations, sketching ideas, planning projects, or organizing your daily tasks, CalibratedNotes provides a flexible workspace designed to help you write naturally and keep everything in one place. Download CalibratedNotes today and experience a smarter way to write, organize, and create. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

calcS16lite3 screens
CalibratedNotes4 screens

Verdict

The call

The clearest difference is in-app purchases: calcS16lite at none against CalibratedNotes's 1. calcS16lite also leads on iOS requirement (13.0 vs 15.0). CalibratedNotes's advantage is update cadence (every 2 days vs every 6 weeks). On price, 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

Both are free to download. CalibratedNotes sells 1 in-app purchase, starting at $2.99 per month. calcS16lite asks for nothing beyond the download.

UpkeepUpdate frequency

calcS16lite ships an update every 6 weeks, CalibratedNotes every 2 days. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 6 level
calcS16lite versus CalibratedNotes: the parameters behind the verdict, then further details
ParametercalcS16liteCalibratedNotes
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size2 MB50 MB
Age rating4+4+
Developeruto toshikiAIDEN JASON SEXTON

In-app purchases

None

calcS16lite

No in-app purchases

1 purchases

CalibratedNotes

Subscriptions1
  • CalibratedNotes Premium7 Days trial$2.991 Month

Questions

Is calcS16lite free?
calcS16lite is free to download, with no in-app purchases.
Is CalibratedNotes free?
CalibratedNotes is free to download, with in-app purchases available.
Do calcS16lite or CalibratedNotes have ads?
Neither calcS16lite nor CalibratedNotes shows ads.
Which is updated more often, calcS16lite or CalibratedNotes?
calcS16lite ships an update every 6 weeks, and CalibratedNotes every 2 days. Most recently, calcS16lite was updated on October 8, 2026 and CalibratedNotes on October 16, 2026.

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