# 4i OEEasy vs SIGMASMITH

The clearest difference is in-app purchases: 4i OEEasy at none against SIGMASMITH's 3. 4i OEEasy also leads on iOS requirement (13.0 vs 15.6). SIGMASMITH's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. SIGMASMITH sells 3 one-off in-app purchases. 4i OEEasy asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 4i OEEasy against 5.0 for SIGMASMITH. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

4i OEEasy ships an update every 2 months, SIGMASMITH every 3 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 4i OEEasy | SIGMASMITH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/4i-oeeasy/id1499544058/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 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 41 MB | 64 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [4i Platform Inc.](https://appshunter.io/developer/1566439336) | [Richard Valois](https://appshunter.io/developer/1724050357) |

## What reviewers say

### 4i OEEasy

[App page](https://appshunter.io/ios/app/4i-oeeasy/id1499544058)

This app provides manufacturers with real-time OEE reports and online status monitoring for production lines. It helps increase machine productivity by visualizing efficiency rates and analyzing uptime/downtime across all your devices.

**Highlights:** Automatic OEE reports, Online production line monitoring, Uptime and downtime analysis, Cross-platform accessibility, Quick and easy setup, Machine efficiency visualization

**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 4i OEEasy free?

4i OEEasy 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, 4i OEEasy or SIGMASMITH?

4i OEEasy and SIGMASMITH are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do 4i OEEasy or SIGMASMITH have ads?

Neither 4i OEEasy nor SIGMASMITH shows ads.

### Which is updated more often, 4i OEEasy or SIGMASMITH?

4i OEEasy ships an update every 2 months, and SIGMASMITH every 3 weeks. Most recently, 4i OEEasy was updated on October 16, 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.*