# Smart Building vs Railer

The clearest difference is device support: Railer at 4 against Smart Building's 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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Smart Building | Railer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/railer/id1330589291/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free |
| Size | 31 MB | 204 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [iShack Digital Consultancy](https://appshunter.io/developer/533255895) | [MEGASAP](https://appshunter.io/developer/654844985) |

## What reviewers say

### Smart Building

[App page](https://appshunter.io/ios/app/smart-building/id1055565089)

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

**In-app purchases:** none


### Railer

[App page](https://appshunter.io/ios/app/railer/id1330589291)

Streamline employee attendance and shift management with face recognition technology. Features include self check-in/out, leave and claim management, and insightful analytics. Integrates with popular productivity tools for enhanced workflow.

**Highlights:** Face recognition check-in/out, Roster and shift management, Leave and claim management, Employee Self Service (ESS), Offline support, Integration with Slack, Trello, Zapier, Analytics and push notifications

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart Building free?

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

### Is Railer free?

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

### Do Smart Building or Railer have ads?

Neither Smart Building nor Railer shows ads.

### Which is updated more often, Smart Building or Railer?

Smart Building ships an update monthly, and Railer monthly. Most recently, Smart Building was updated on October 14, 2026 and Railer on October 7, 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.*