# Smart 5S vs Shark A4

The clearest difference is iOS requirement: Smart 5S at 13.0 against Shark A4's 17.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart 5S ships an update every 3 weeks, Shark A4 fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Smart 5S | Shark A4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-5s-lean-manufacturing/id1574310832/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 75 MB | 14 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Industrial Augmented Reality S.L.](https://appshunter.io/developer/1574310834) | [A4 DESTINA](https://appshunter.io/developer/1656146278) |

## 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


### Shark A4

[App page](https://appshunter.io/ios/app/shark-a4/id6743176871)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart 5S free?

Smart 5S is free to download, with no in-app purchases.

### Is Shark A4 free?

Shark A4 is free to download, with no in-app purchases.

### Do Smart 5S or Shark A4 have ads?

Neither Smart 5S nor Shark A4 shows ads.

### Which is updated more often, Smart 5S or Shark A4?

Smart 5S ships an update every 3 weeks, and Shark A4 fortnightly. Most recently, Smart 5S was updated on October 24, 2026 and Shark A4 on October 28, 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.*