Comparison

40IP vs Use Better

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

Head to head
About

40IP

Features
Read full description

40 Inventive Principles in one app. Speed up your idea generation process using the 40 Inventive Principles from the TRIZ toolbox. The theory of inventive problem solving, developed by Genrich Altshuller, offers a plethora of tools for generating innovative ideas to solve inventive problems. The 40 Inventive Principles are probably the best-known tool for taking the broader view when working on a task. 40IP contains the 40 Inventive Principles, explained by more than 400 illustrated examples, bundled as a compact reference for every situation. Use it to resolve technical as well as physical contradictions and take advantage of a wide variety of suggestions to increase your idea output. Features: - 40 Inventive Principles - 400+ illustrated examples - Engineering Contradiction (Altshuller Matrix, Matrix 2003) - Physical Contradiction

About

Use Better

Organize your personal belongings and share them with friends and neighbors. Discover items available in your community and contribute to a more sustainable lifestyle by reusing and sharing.

Highlights
  • AI-powered inventory management
  • Personal item cataloging
  • Community item sharing
  • Discover items from neighbors
  • Sustainable living focus
  • Friend and family sharing
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Use Better is inventory management app to create and manage your personal inventory. Unlock the Power of Sharing: Enhance Your Life with Trusted Friends and Neighbors! Welcome to the future of maintaining and organizing your inventory, where you can access a world of useful items right at your fingertips. Say goodbye to unnecessary purchases and hello to a vibrant community of sharing. Discover - Explore a treasure trove of items shared by your neighbors and friends. Share - Lend a hand and offer your items to help others in your community. Sustainable Living - Join us in making the world a better place by reusing and sharing. Join our sharing revolution today and transform the way you live. Embrace the spirit of community and sustainability. Together, we can create a brighter, more connected, and eco-friendly world.

Screenshots

40IP4 screens
Use Better4 screens

Verdict

The call

The clearest difference is update cadence: Use Better at every 3 months against 40IP's every 18 months. 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

40IP ships an update every 18 months, Use Better every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard1 real difference · 9 level
40IP versus Use Better: the parameters behind the verdict, then further details
Parameter40IPUse Better
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 18 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size81 MB40 MB
Age rating4+17+
DeveloperTRIZ Consulting Group GmbHHTOH Solutions LLC

In-app purchases

None

40IP

No in-app purchases

None

Use Better

No in-app purchases

Questions

Is 40IP free?
40IP is free to download, with no in-app purchases.
Is Use Better free?
Use Better is free to download, with no in-app purchases.
Do 40IP or Use Better have ads?
Neither 40IP nor Use Better shows ads.
Which is updated more often, 40IP or Use Better?
40IP ships an update every 18 months, and Use Better every 3 months. Most recently, 40IP was updated on November 1, 2026 and Use Better on November 3, 2026.

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