# Smart 5S vs SIGMASMITH

The clearest difference is in-app purchases: Smart 5S at none against SIGMASMITH's 3. Smart 5S also leads on iOS requirement (13.0 vs 15.6). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. SIGMASMITH sells 3 one-off in-app purchases. Smart 5S asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Smart 5S against 5.0 for SIGMASMITH. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Smart 5S | SIGMASMITH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/smart-5s-lean-manufacturing/id1574310832/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/sigmasmith/id6475358569/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 75 MB | 64 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Industrial Augmented Reality S.L.](https://appshunter.io/developer/1574310834) | [Richard Valois](https://appshunter.io/developer/1724050357) |

## What reviewers say

### Smart 5S

[App page](https://appshunter.io/ios/app/smart-5s-lean-manufacturing/id1574310832)

This app helps organizations implement and maintain the 5S Lean Manufacturing methodology. It allows for creating checklists, auditing compliance with standards, and managing team improvement activities efficiently. Centralize real-time information, reduce paper documentation, and foster a culture of continuous improvement.

**Highlights:** Create checklists by area, Audit compliance with standards, Manage team improvement activities, Centralized real-time information, Reduce document management, Facilitate action plan management, Share indicators and action plans

**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 Smart 5S free?

Smart 5S 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, Smart 5S or SIGMASMITH?

Smart 5S and SIGMASMITH are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Smart 5S or SIGMASMITH have ads?

Neither Smart 5S nor SIGMASMITH shows ads.

### Which is updated more often, Smart 5S or SIGMASMITH?

Smart 5S ships an update every 3 weeks, and SIGMASMITH every 3 weeks. Most recently, Smart 5S was updated on October 24, 2026 and SIGMASMITH on October 10, 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.*