Comparison

40IP vs SIGMASMITH

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

Head to head
About

40IP

Features
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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

SIGMASMITH

This toolkit helps businesses optimize operations by calculating labor costs, tracking error frequency with Pareto charts, and conducting time studies with line balance charts. It provides data-driven insights to enhance productivity and manage resources effectively.

Highlights
  • Efficiency Calculator for labor hours and cost per unit
  • Error Frequency Tracker with Pareto charts
  • Time Study tool with line balance charts
  • Takt Time alignment for demand matching
  • Data-driven decision making for operations
Features
Read full description

Introducing the latest innovation from Sigmasmith: Efficiency and Productivity Toolkit. Designed for businesses seeking to elevate their operational efficiency and optimize labor management, our app is your gateway to productivity insights. Maximize Labor Hours with Precision: Our Efficiency Calculator is engineered to deliver precise calculations of your labor hours per unit and labor cost per unit, enabling you to make informed decisions that boost productivity while managing costs effectively. Discover the power of data-driven decision-making and elevate your operational efficiency to new heights. Prioritize with Pareto: Navigate the complexities of error management with our Error Frequency Tracker. By identifying and prioritizing errors based on Pareto-presented data, our tool empowers you to focus on the most impactful issues. Reduce downtime, minimize errors, and streamline your operations with targeted solutions that make a difference. Optimize with Time Studies: Elevate your process optimization with our Time Study Tool. Capture comprehensive time studies effortlessly and review the data through intuitive Line Balance Charts. Align your operations with Takt Time (customer demand) and identify the optimal focus areas to enhance throughput, meet demand, and exceed expectations. Whether you're looking to refine your labor allocation, reduce operational errors, or streamline your production processes, Sigmasmith's app is your all-in-one solution. Embrace the future of operational excellence and join the ranks of businesses transforming their productivity landscapes. Efficiency Calculator that provides Labor Hours Per Unit and Labor Cost Per Unit. Error Frequency Tracker that presents recorded error data in a pareto chart for easy prioritization of error reduction. Time Study to allow multiple time study entries and presented through a line balance chart with takt time. Download now and take the first step towards operational perfection with Sigmasmith. Your journey to enhanced efficiency and productivity begins here.

Screenshots

40IP4 screens
SIGMASMITH4 screens

Verdict

The call

The clearest difference is in-app purchases: 40IP at none against SIGMASMITH's 3. SIGMASMITH's advantage is update cadence (every 3 weeks vs every 18 months). On price, ads, device support and iOS requirement 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. SIGMASMITH sells 3 one-off in-app purchases. 40IP asks for nothing beyond the download.

UpkeepUpdate frequency

40IP ships an update every 18 months, SIGMASMITH every 3 weeks. The most recent releases landed on September 23, 2026 and June 24, 2026 respectively.

Scorecard2 real differences · 8 level
40IP versus SIGMASMITH: the parameters behind the verdict, then further details
Parameter40IPSIGMASMITH
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 18 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size81 MB64 MB
Age rating4+4+
DeveloperTRIZ Consulting Group GmbHRichard Valois

In-app purchases

None

40IP

No in-app purchases

3 purchases

SIGMASMITH

One-time3
  • Get Premium For Life$0.99
  • Get Professional For Month$4.99
  • Get Yearly Subscription$44.99

Questions

Is 40IP free?
40IP is free to download, with no in-app purchases.
Is SIGMASMITH free?
SIGMASMITH is free to download, with in-app purchases available.
Do 40IP or SIGMASMITH have ads?
Neither 40IP nor SIGMASMITH shows ads.
Which is updated more often, 40IP or SIGMASMITH?
40IP ships an update every 18 months, and SIGMASMITH every 3 weeks. Most recently, 40IP was updated on September 23, 2026 and SIGMASMITH on June 24, 2026.

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