Comparison

Notes Book PRO vs Decision IO

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

Head to head
About

Notes Book PRO

Features
Read full description

Notes Book PRO is the ultimate application for organizing your ideas and projects in total security. With its code-lock feature, you can protect each note individually, guaranteeing the confidentiality of your most sensitive information. This innovative application lets you create notes in a variety of distinct formats: Notebooks : Organize your notes into thematic sets, creating dedicated notebooks for projects, studies or any other category close to your heart. Text Notes: Write your thoughts and ideas clearly and concisely, using advanced formatting tools to personalize your notes. Voice Notes: Capture your thoughts on the fly by recording audio messages, ideal for spontaneous thoughts or ideas you want to keep. Tables: Create tables to organize and structure your information, perfect for lists, comparisons or data analysis. Drawing: Express your creativity with intuitive drawing tools, enabling you to create illustrations and sketches directly in your notes. Shortcut Lists: Never lose your favorite shortcuts for common software programs. Create customized lists to remember everything you need, right at your fingertips. What's more, Notes Book PRO offers a hierarchical view of all your notes, making it easy to organize and navigate through your ideas. Whether you're a student, professional or creative thinker, this application is designed to adapt to all your note-taking needs, while giving you the security and flexibility you need to manage your thoughts effectively. to consult the term of use, please follow this link (EULA) ici: https://privacy-notes-pro.netlify.app/termsOfUse to consult the privacy policy, please follow this link: https://privacy-notes-pro.netlify.app/

About

Decision IO

Features
Read full description

Make smarter choices with Decision IO. Whether you're facing big life choices or everyday decisions, Decision IO helps you make confident and intentional choices that align with your goals. DOCUMENT FOR CLARITY Write out your decisions and set your choices for a clear overview. Add pros and cons lists for each choice so you can see all perspectives and never miss anything important. TRACK AND ANALYZE Rate decision outcomes and visualize your decision-making patterns with 90-day trend insights. Learn from past decision-data to see where you can improve. COACH IO GUIDANCE Get personalized advice from the AI-powered Coach IO that analyzes your options against your prioritized goals to recommend your best choice to you. COLLABORATE WITH FRIENDS Share your decisions with friends and family to get their input when you need additional perspectives or make joint decisions on what you need together. PRO ACCESS - Subscribe to Pro Access for unlimited decisions and choices - With access to Coach IO for personalized AI guidance - Subscriptions are billed automatically at the rate selected in your subscription plan Download Decision IO today and start making better decisions that align with the best you. Terms of Use (EULA) can be found at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Notes Book PRO4 screens
Decision IO4 screens

Verdict

The call

Notes Book PRO and Decision IO are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Notes Book PRO sells 9 in-app purchases, starting at $0.49 per month and Decision IO sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Notes Book PRO ships an update every 5 weeks, Decision IO monthly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

ScorecardNo meaningful differences
Notes Book PRO versus Decision IO: the parameters behind the verdict, then further details
ParameterNotes Book PRODecision IO
PriceFreeFree
Update frequencyEvery 5 weeksMonthly โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.014.0.0 โ€” better
Further details โ€” not scored
Size15 MB48 MB
Age rating4+4+
DeveloperDylan ZaouiAltius Opes LLC

In-app purchases

9 purchases

Notes Book PRO

Subscriptions8
  • All features for 1 month.$0.491 Month
  • All features for 3 months$0.993 Months
  • All features for 6 months.$1.996 Months
Show 5 more
  • Premium access for 1 month$1.991 Month
  • All features for 1 year.$3.991 Year
  • Premium access for 3 months$3.993 Months
  • Premium access for 6 months.$4.996 Months
  • Premium access for 12 months$8.991 Year
One-time1
  • All features for life$3.99
2 purchases

Decision IO

Subscriptions2
  • Pro Access - Monthly$7.991 Month
  • Pro Access - Yearly$59.991 Year

Questions

Is Notes Book PRO free?
Notes Book PRO is free to download, with in-app purchases available.
Is Decision IO free?
Decision IO is free to download, with in-app purchases available.
Do Notes Book PRO or Decision IO have ads?
Neither Notes Book PRO nor Decision IO shows ads.
Which is updated more often, Notes Book PRO or Decision IO?
Notes Book PRO ships an update every 5 weeks, and Decision IO monthly. Most recently, Notes Book PRO was updated on October 25, 2026 and Decision IO on October 28, 2026.

Other comparisons