# RETENSERV vs Omie

The clearest difference is update cadence: Omie at every 4 days against RETENSERV's every 3 months. RETENSERV's advantage is iOS requirement (9.3 vs 17.6). 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.

RETENSERV ships an update every 3 months, Omie every 4 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RETENSERV | Omie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (2 ratings)](https://appshunter.io/ios/app/omie/id1608049734/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 20 MB | 86 MB |
| Requires iOS | **9.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Econet Editora Empresarial](https://appshunter.io/developer/978051921) | [Omie](https://appshunter.io/developer/1435825313) |

## What reviewers say

### RETENSERV

[App page](https://appshunter.io/ios/app/retenserv/id1153562065)

**Features:** macOS Compatibility

**In-app purchases:** none


### Omie

[App page](https://appshunter.io/ios/app/omie/id1608049734)

Manage your business finances, inventory, sales, and contracts from anywhere. This app provides real-time visibility into your business operations, including fiscal compliance reminders and executive dashboards. It offers secure access with biometric authentication and encryption.

**Highlights:** Financial management, Real-time invoice status, Efficient inventory control, Service and contract management, Fiscal and tax compliance, Managerial dashboards

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

**In-app purchases:** none


## Frequently asked questions

### Is RETENSERV free?

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

### Is Omie free?

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

### Do RETENSERV or Omie have ads?

Neither RETENSERV nor Omie shows ads.

### Which is updated more often, RETENSERV or Omie?

RETENSERV ships an update every 3 months, and Omie every 4 days. Most recently, RETENSERV was updated on October 21, 2026 and Omie on October 24, 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.*