Comparison

LSSI vs SIGMASMITH

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

Head to head
About

LSSI

Connect with professionals globally, join groups, and participate in Master Classes. Access practical tools, guidelines, and courses, and discover job opportunities. Share your business case studies and enhance your professional development.

Highlights
  • Global professional networking
  • Join and create discussion groups
  • Participate in Master Classes
  • Access practical tools and guidelines
  • Read and share business case studies
  • Job opportunity search
Features
Read full description

Join our community to exchange knowledge with others and develop new skills!  Join groups and connect with other talented professionals around the world. Participate in Master Classes, read real business case studies, and share yours. Join and create discussion boards, search for new job opportunities and connect with talent that can enhance your business.  With over 20 years of industry-leading experience, get access to best-in-class practical tools, guidelines, courses. https://www.lssinstitute.org/terms-of-service/

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

LSSI4 screens
SIGMASMITH4 screens

Verdict

The call

The clearest difference is monetization model: SIGMASMITH at free against LSSI's free with in-app purchases. On price, rating, ratings volume and update cadence 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. LSSI sells 8 in-app purchases, starting at $9.99 per month and SIGMASMITH sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for LSSI against 5.0 for SIGMASMITH. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

LSSI ships an update fortnightly, SIGMASMITH every 3 weeks. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 9 level
LSSI versus SIGMASMITH: the parameters behind the verdict, then further details
ParameterLSSISIGMASMITH
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.5 — better15.6
Further details — not scored
Size95 MB64 MB
Age rating4+4+
DeveloperLean Six Sigma InstituteRichard Valois

Customer experience

LSSI

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

SIGMASMITH

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

8 purchases

LSSI

Subscriptions2
  • LSSI Pro Membership$9.991 Month
  • LSSI Premium Membership$99.991 Month
One-time6
  • Lean Management Certification$199.99
  • LSS White Belt Certification$199.99
  • LSS Yellow Belt Certification2 variants$499.99
Show 3 more
  • LSS Green Belt Certification2 variants$699.99
  • LSS Black Belt Certification$799.99
  • LSS Green Belt Certification$799.99
3 purchases

SIGMASMITH

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

Questions

Is LSSI free?
LSSI is free to download, with in-app purchases available.
Is SIGMASMITH free?
SIGMASMITH is free to download, with in-app purchases available.
Which has better reviews, LSSI or SIGMASMITH?
LSSI and SIGMASMITH are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do LSSI or SIGMASMITH have ads?
Neither LSSI nor SIGMASMITH shows ads.
Which is updated more often, LSSI or SIGMASMITH?
LSSI ships an update fortnightly, and SIGMASMITH every 3 weeks. Most recently, LSSI was updated on October 5, 2026 and SIGMASMITH on October 10, 2026.

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