Comparison

Quick block notes vs MathCareer Sigma

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

Head to head
About

Quick block notes

Capture thoughts, sketch ideas, and jot down lists with this creative notes app. Personalize your notes with various colors, fonts, and backgrounds. Easily share your creations and upgrade for an ad-free experience.

Highlights
  • Personalize notes with colors, fonts, and brush styles
  • Variety of background options
  • Tools for erasing, undoing, and saving
  • Add images from gallery or take photos
  • Save and share notes instantly
Features
Read full description

Bring Your Ideas to Life with Our Creative Notes App Capture your thoughts, sketch, doodle, jot down your shopping list, or write whatever comes to mind in this versatile, intuitive, and visually engaging notebook. All in one place, with a smooth and fun experience! Easily share your notes through any app installed on your phone. And if you love it, leave us a review — your feedback helps us improve! You can also upgrade to an ad-free version for the ultimate experience. Key Features: • Personalize your notes: choose colors, fonts, and brush styles. Use a pencil, marker, or paintbrush to match your vibe. • Variety of backgrounds: pick from colors, textures, music staff, grid, or lined paper. • Handy tools: erase, undo, or save your notes anytime. • Add images from your gallery, take a photo on the spot, or select a custom background. • Save your notes and come back to them later, or share them instantly.

About

MathCareer Sigma

This app helps mathematics students and faculty find jobs and advance their careers. It aggregates job postings daily and provides a platform for professional networking and sharing career tips. Features include a personal QR code generator for easy profile sharing.

Highlights
  • Daily math job postings aggregation
  • Professional community for networking
  • Career tips exchange
  • Personal QR code generator
  • Profile sharing for connections
Features
Read full description

MathCareer Sigma, a mobile app designed to support mathematics students and faculties in job searching and professional development. MathCareer Sigma streamlines the job hunt by automatically collecting and updating math-related job postings daily from platforms like MathJobs, SIAM, AIM, LinkedIn, and HigherEdJobs, delivering them directly to your phone. No more time-consuming searches - the right opportunities come to you! Beyond job listings, the app fosters a professional community where users can share opportunities, exchange career tips, and network with others who share similar research interests. This makes connecting with the right people at conferences, seminars, or online effortless. A standout feature is the personal QR code generator. Include your code on posters, slides, or presentations, and let others instantly view your profile and connect with you - perfect for academic events or networking occasions. MathCareer Sigma isn’t just an app — it’s your smart, all-in-one career companion for the mathematics community.

Screenshots

Quick block notes4 screens
MathCareer Sigma4 screens

Verdict

The call

The clearest difference is in-app purchases: MathCareer Sigma at none against Quick block notes's 1. MathCareer Sigma also leads on ads (none vs shown) and update cadence (every 3 days vs every 8 months). On price, rating, ratings volume 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. Quick block notes sells 1 one-off in-app purchase. MathCareer Sigma asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Quick block notes against 5.0 for MathCareer Sigma. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Quick block notes ships an update every 8 months, MathCareer Sigma every 3 days. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
Quick block notes versus MathCareer Sigma: the parameters behind the verdict, then further details
ParameterQuick block notesMathCareer Sigma
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews22.2% of reviews—
Number of ratings11
Update frequencyEvery 8 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size28 MB44 MB
Age rating4+4+
DeveloperIntelectivaYifan WANG

Customer experience

Quick block notes

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews18 reviews
Positive22.2%
Neutral5.6%
Negative72.2%

MathCareer Sigma

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Quick block notes

One-time1
  • No Ads$3.99
None

MathCareer Sigma

No in-app purchases

Questions

Is Quick block notes free?
Quick block notes is free to download, with in-app purchases available.
Is MathCareer Sigma free?
MathCareer Sigma is free to download, with no in-app purchases.
Which has better reviews, Quick block notes or MathCareer Sigma?
Quick block notes and MathCareer Sigma are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Quick block notes or MathCareer Sigma have ads?
Quick block notes shows ads; MathCareer Sigma does not.
Which is updated more often, Quick block notes or MathCareer Sigma?
Quick block notes ships an update every 8 months, and MathCareer Sigma every 3 days. Most recently, Quick block notes was updated on October 11, 2026 and MathCareer Sigma on October 5, 2026.

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