# SREIS Smart Campus vs 333MSL

The clearest difference is in-app purchases: SREIS Smart Campus at none against 333MSL's 1. SREIS Smart Campus also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 333MSL sells 1 one-off in-app purchase. SREIS Smart Campus asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SREIS Smart Campus | 333MSL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | Every 7 months |
| Size | 28 MB | 52 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suresh Iyer](https://appshunter.io/developer/1492226377) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### SREIS Smart Campus

[App page](https://appshunter.io/ios/app/sreis-smart-campus/id1571132035)

**Features:** macOS Compatibility

**In-app purchases:** none


### 333MSL

[App page](https://appshunter.io/ios/app/333msl/id6503248541)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KAS /PSI ONLINE COURES | $9.99 | one-time |


## Frequently asked questions

### Is SREIS Smart Campus free?

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

### Is 333MSL free?

333MSL is free to download, with in-app purchases available.

### Do SREIS Smart Campus or 333MSL have ads?

Neither SREIS Smart Campus nor 333MSL shows ads.

### Which is updated more often, SREIS Smart Campus or 333MSL?

SREIS Smart Campus ships an update every 7 months, and 333MSL every 7 months. Most recently, SREIS Smart Campus was updated on October 27, 2026 and 333MSL on November 4, 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.*