# e3m DataCenter vs FLEX LNG SmartPAL

The clearest difference is update cadence: FLEX LNG SmartPAL at every 4 months against e3m DataCenter's every 9 months. e3m DataCenter's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

e3m DataCenter ships an update every 9 months, FLEX LNG SmartPAL every 4 months. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | e3m DataCenter | FLEX LNG SmartPAL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Size | 56 MB | 118 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Opit Solutions SA](https://appshunter.io/developer/1475616716) | [MariApps Marine Solutions Pvt. Ltd.](https://appshunter.io/developer/1040404561) |

## What reviewers say

### e3m DataCenter

[App page](https://appshunter.io/ios/app/e3m-datacenter/id1475616718)

**Features:** macOS Compatibility

**In-app purchases:** none


### FLEX LNG SmartPAL

[App page](https://appshunter.io/ios/app/flex-lng-smartpal/id1664448496)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is e3m DataCenter free?

e3m DataCenter is free to download, with no in-app purchases.

### Is FLEX LNG SmartPAL free?

FLEX LNG SmartPAL is free to download, with no in-app purchases.

### Do e3m DataCenter or FLEX LNG SmartPAL have ads?

Neither e3m DataCenter nor FLEX LNG SmartPAL shows ads.

### Which is updated more often, e3m DataCenter or FLEX LNG SmartPAL?

e3m DataCenter ships an update every 9 months, and FLEX LNG SmartPAL every 4 months. Most recently, e3m DataCenter was updated on October 14, 2026 and FLEX LNG SmartPAL on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*