# LeanFITT™ Pro vs SIGMASMITH

The clearest difference is in-app purchases: LeanFITT™ Pro at none against SIGMASMITH's 3. LeanFITT™ Pro also leads on ratings volume (8 vs 2) and iOS requirement (13.0 vs 15.6). SIGMASMITH's advantage is update cadence (every 3 weeks vs every 18 months) and review sentiment (100% vs 86%). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. SIGMASMITH sells 3 one-off in-app purchases. LeanFITT™ Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for LeanFITT™ Pro against 5.0 for SIGMASMITH. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews are what separate them: 86% of LeanFITT™ Pro's written reviews are positive against 100% of SIGMASMITH's.

LeanFITT™ Pro ships an update every 18 months, SIGMASMITH every 3 weeks. The most recent releases landed on June 6, 2026 and June 24, 2026 respectively.

## The numbers

| Metric | LeanFITT™ Pro | SIGMASMITH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/leanfitt-pro/id1438963242/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/sigmasmith/id6475358569/reviews) |
| Number of ratings | **8** | 2 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 28 MB | 64 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MCS Media, Inc.](https://appshunter.io/developer/580374017) | [Richard Valois](https://appshunter.io/developer/1724050357) |

## What reviewers say

### LeanFITT™ Pro

[App page](https://appshunter.io/ios/app/leanfitt-pro/id1438963242)

This app streamlines process improvement with AI-powered insights and gamified tracking. It offers intuitive Lean tools for individuals and teams to focus, involve, track, and transform workflows, fostering collaboration and growth.

**Highlights:** AI-powered insights, Gamified progress tracking, Intuitive Lean tools (A3, VSM, DMAIC), Quality tools (Fishbone, 5 Whys), Interactive learning and quizzes, Leaderboards and rewards, Kanban action board

**Features:** macOS Compatibility

**In-app purchases:** none


### SIGMASMITH

[App page](https://appshunter.io/ios/app/sigmasmith/id6475358569)

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:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium For Life | $0.99 | one-time |
| Get Professional For Month | $4.99 | one-time |
| Get Yearly Subscription | $44.99 | one-time |


## Frequently asked questions

### Is LeanFITT™ Pro free?

LeanFITT™ Pro is free to download, with no in-app purchases.

### Is SIGMASMITH free?

SIGMASMITH is free to download, with in-app purchases available.

### Which has better reviews, LeanFITT™ Pro or SIGMASMITH?

LeanFITT™ Pro and SIGMASMITH are both rated 5.0 out of 5 on the App Store, from 8 and 2 ratings respectively.

### Do LeanFITT™ Pro or SIGMASMITH have ads?

Neither LeanFITT™ Pro nor SIGMASMITH shows ads.

### Which is updated more often, LeanFITT™ Pro or SIGMASMITH?

LeanFITT™ Pro ships an update every 18 months, and SIGMASMITH every 3 weeks. Most recently, LeanFITT™ Pro was updated on June 6, 2026 and SIGMASMITH on June 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*