# Omni Relprev vs Ai舒尔康

The clearest difference is iOS requirement: Omni Relprev at 9.0 against Ai舒尔康's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Omni Relprev ships an update every 3 months, Ai舒尔康 every 2 months. The most recent releases landed on October 22, 2026 and May 20, 2026 respectively.

## The numbers

| Metric | Omni Relprev | Ai舒尔康 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 25 MB | 116 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [VILAAPPS DESENVOLVIMENTO DE SISTEMAS LTDA](https://appshunter.io/developer/1594697114) | [Keeson Technology Corporation Limited](https://appshunter.io/developer/1561275126) |

## What reviewers say

### Omni Relprev

[App page](https://appshunter.io/ios/app/omni-relprev/id1434690340)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ai舒尔康

[App page](https://appshunter.io/ios/app/ai/id1605069182)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Omni Relprev free?

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

### Is Ai舒尔康 free?

Ai舒尔康 is free to download, with no in-app purchases.

### Do Omni Relprev or Ai舒尔康 have ads?

Neither Omni Relprev nor Ai舒尔康 shows ads.

### Which is updated more often, Omni Relprev or Ai舒尔康?

Omni Relprev ships an update every 3 months, and Ai舒尔康 every 2 months. Most recently, Omni Relprev was updated on October 22, 2026 and Ai舒尔康 on May 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.*