# OTE IMP Sandbox vs MMS IOT

The clearest difference is update cadence: MMS IOT at weekly against OTE IMP Sandbox's every 12 months. OTE IMP Sandbox's advantage is iOS requirement (11.0 vs 13.0). 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.

OTE IMP Sandbox ships an update every 12 months, MMS IOT weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | OTE IMP Sandbox | MMS IOT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Size | 15 MB | 70 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OTE, a. s.](https://appshunter.io/developer/1284658923) | [GENESIS FOR TECHNICAL AND ADMIN CONSULTING](https://appshunter.io/developer/1743645945) |

## What reviewers say

### OTE IMP Sandbox

[App page](https://appshunter.io/ios/app/ote-imp-sandbox/id1536730948)

**Features:** macOS Compatibility

**In-app purchases:** none


### MMS IOT

[App page](https://appshunter.io/ios/app/mms-iot/id6739466044)

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

**In-app purchases:** none


## Frequently asked questions

### Is OTE IMP Sandbox free?

OTE IMP Sandbox is free to download, with no in-app purchases.

### Is MMS IOT free?

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

### Do OTE IMP Sandbox or MMS IOT have ads?

Neither OTE IMP Sandbox nor MMS IOT shows ads.

### Which is updated more often, OTE IMP Sandbox or MMS IOT?

OTE IMP Sandbox ships an update every 12 months, and MMS IOT weekly. Most recently, OTE IMP Sandbox was updated on October 25, 2026 and MMS IOT on October 25, 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.*