# Citeck ECOS vs EOS Mobile

The clearest difference is update cadence: EOS Mobile at every 4 months against Citeck ECOS's every 13 months. Citeck ECOS's advantage is iOS requirement (12.4 vs 15.0). 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.

Citeck ECOS ships an update every 13 months, EOS Mobile every 4 months. The most recent releases landed on June 10, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Citeck ECOS | EOS Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eos-mobile/id1533870588/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 10 MB | 114 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Citeck LLC](https://appshunter.io/developer/1473148859) | [Extended Office Solutions Inc.](https://appshunter.io/developer/1533870590) |

## What reviewers say

### Citeck ECOS

[App page](https://appshunter.io/ios/app/citeck-ecos/id1473148860)

**Features:** macOS Compatibility

**In-app purchases:** none


### EOS Mobile

[App page](https://appshunter.io/ios/app/eos-mobile/id1533870588)

Stay connected with your office communications from anywhere. This app allows you to make and receive calls with your business identity, manage contacts, voicemail, and call history seamlessly on your mobile device.

**Highlights:** Unified communications, Mobile call management, Contact management, Voicemail access, Call history, Answering rules and greetings

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is Citeck ECOS free?

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

### Is EOS Mobile free?

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

### Do Citeck ECOS or EOS Mobile have ads?

Neither Citeck ECOS nor EOS Mobile shows ads.

### Which is updated more often, Citeck ECOS or EOS Mobile?

Citeck ECOS ships an update every 13 months, and EOS Mobile every 4 months. Most recently, Citeck ECOS was updated on June 10, 2026 and EOS Mobile on September 10, 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.*