# iDIERS vs EMS

The clearest difference is in-app purchases: EMS at none against iDIERS's 3. EMS also leads on update cadence (daily vs every 2 months). iDIERS's advantage is iOS requirement (11 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. iDIERS sells 3 in-app purchases, starting at $27.49 per month. EMS asks for nothing beyond the download.

iDIERS ships an update every 2 months, EMS daily. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | iDIERS | EMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 201 MB | 176 MB |
| Requires iOS | **11** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [iDIERS GmbH](https://appshunter.io/developer/1483716096) | [EMS-LOUNGE GmbH](https://appshunter.io/developer/1828910234) |

## What reviewers say

### iDIERS

[App page](https://appshunter.io/ios/app/idiers/id1483717889)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iDIERS Pro 1 Month | $27.49 | per month |
| iDIERS Pro 1 Month | $26.99 | one-time |
| iDIERS Pro 3 Months | $79.99 | one-time |


### EMS

[App page](https://appshunter.io/ios/app/ems-lounge/id6749147361)

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

**In-app purchases:** none


## Frequently asked questions

### Is iDIERS free?

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

### Is EMS free?

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

### Do iDIERS or EMS have ads?

Neither iDIERS nor EMS shows ads.

### Which is updated more often, iDIERS or EMS?

iDIERS ships an update every 2 months, and EMS daily. Most recently, iDIERS was updated on October 29, 2026 and EMS on October 31, 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.*