q vs iEMS
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
q
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Log in with username and password you get from us. You can see the current queue time as well as how many are waiting under each queue type. Choose which register you manage and then call forward customers by clicking on your queue type. You also have the opportunity to take a digital ticket for your customer.
iEMS
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Intelligent Energy Management System (iEMS) - Focusing on the new energy fields of photovoltaic and energy storage, it takes efficient and stable monitoring and operation maintenance as the core. By virtue of real-time data analysis and fault prediction, it improves energy output and reduces costs. It provides customized solutions to adapt to multiple scenarios, and helps promote the sustainable prosperity and development of the green energy industry.
Screenshots
Verdict
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.
Scored on Price ¡ Rating ¡ Positive reviews ¡ Number of ratings ¡ Update frequency ¡ Ads ¡ In-app purchases ¡ Monetization ¡ Best chart rank ¡ Devices ¡ Requires iOS
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.
| Parameter | q | iEMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly â better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod â better | iPhone, iPod |
| Requires iOS | 15.1 | 13.0 â better |
| Further details â not scored | ||
| Size | 26 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Q-channel | Shenzhen ZTE Software Co., Ltd. |
In-app purchases
q
No in-app purchases
iEMS
No in-app purchases
