# SSRU Smart vs BTU Registration System

SSRU Smart and BTU Registration System are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

SSRU Smart ships an update every 4 weeks, BTU Registration System every 5 weeks. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SSRU Smart | BTU Registration System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Size | 60 MB | 32 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Suan Sunandha Rajabhat University](https://appshunter.io/developer/1246158598) | [VISION NET CO., LTD.](https://appshunter.io/developer/1102293614) |

## What reviewers say

### SSRU Smart

[App page](https://appshunter.io/ios/app/ssru-smart/id1663475902)

**Features:** macOS Compatibility

**In-app purchases:** none


### BTU Registration System

[App page](https://appshunter.io/ios/app/btu-registration-system/id6738983755)

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

**In-app purchases:** none


## Frequently asked questions

### Is SSRU Smart free?

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

### Is BTU Registration System free?

BTU Registration System is free to download, with no in-app purchases.

### Do SSRU Smart or BTU Registration System have ads?

Neither SSRU Smart nor BTU Registration System shows ads.

### Which is updated more often, SSRU Smart or BTU Registration System?

SSRU Smart ships an update every 4 weeks, and BTU Registration System every 5 weeks. Most recently, SSRU Smart was updated on October 4, 2026 and BTU Registration System on October 13, 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.*