# OMS LMS vs Simple Math Operations

The clearest difference is in-app purchases: OMS LMS at none against Simple Math Operations's 1. OMS LMS also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Simple Math Operations sells 1 one-off in-app purchase. OMS LMS asks for nothing beyond the download.

## The numbers

| Metric | OMS LMS | Simple Math Operations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 69 MB | 13 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Mohamed Alaa](https://appshunter.io/developer/1782331919) | [Ahmet Tek](https://appshunter.io/developer/1844955483) |

## What reviewers say

### OMS LMS

[App page](https://appshunter.io/ios/app/oms-lms/id6739004734)

**In-app purchases:** none


### Simple Math Operations

[App page](https://appshunter.io/ios/app/simple-math-operations/id6758960191)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $6.99 | one-time |


## Frequently asked questions

### Is OMS LMS free?

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

### Is Simple Math Operations free?

Simple Math Operations is free to download, with in-app purchases available.

### Do OMS LMS or Simple Math Operations have ads?

Neither OMS LMS nor Simple Math Operations shows ads.

---

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