# q vs iEMS

The clearest difference is update cadence: q at monthly against iEMS's every 4 months. iEMS's advantage is iOS requirement (13.0 vs 15.1). 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.

q ships an update monthly, iEMS every 4 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | q | iEMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 26 MB | 41 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Q-channel](https://appshunter.io/developer/1005511622) | [Shenzhen ZTE Software Co., Ltd.](https://appshunter.io/developer/1863573894) |

## What reviewers say

### q

[App page](https://appshunter.io/ios/app/q-manager/id1449008534)

**In-app purchases:** none


### iEMS

[App page](https://appshunter.io/ios/app/iems/id6450133373)

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

**In-app purchases:** none


## Frequently asked questions

### Is q free?

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

### Is iEMS free?

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

### Do q or iEMS have ads?

Neither q nor iEMS shows ads.

### Which is updated more often, q or iEMS?

q ships an update monthly, and iEMS every 4 months. Most recently, q was updated on October 20, 2026 and iEMS on October 20, 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.*