# MOB vs Simple

The clearest difference is in-app purchases: MOB at none against Simple's 2. MOB also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (13.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Simple sells 2 in-app purchases, starting at $1.99 per month. MOB asks for nothing beyond the download.

MOB ships an update every 2 weeks, Simple every 2 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MOB | Simple |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 26 MB | 4 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GLIDE.IO](https://appshunter.io/developer/1052704975) | [NonexHere OU](https://appshunter.io/developer/1695942648) |

## What reviewers say

### MOB

[App page](https://appshunter.io/ios/app/mob-s-tech/id1586109502)

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

**In-app purchases:** none


### Simple

[App page](https://appshunter.io/ios/app/simple-currency-converter/id6743161170)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus (monthly) | $1.99 | per month |
| Plus (yearly) | $17.99 | per year |


## Frequently asked questions

### Is MOB free?

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

### Is Simple free?

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

### Do MOB or Simple have ads?

Neither MOB nor Simple shows ads.

### Which is updated more often, MOB or Simple?

MOB ships an update every 2 weeks, and Simple every 2 months. Most recently, MOB was updated on October 25, 2026 and Simple on October 28, 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.*