# Omni Relprev vs 台铃智能

The clearest difference is update cadence: 台铃智能 at monthly against Omni Relprev's every 3 months. Omni Relprev's advantage is iOS requirement (9.0 vs 13.0). 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.

Omni Relprev ships an update every 3 months, 台铃智能 monthly. The most recent releases landed on October 22, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Omni Relprev | 台铃智能 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (3.5K ratings)](https://appshunter.io/ios/app/id1597230423/reviews)** |
| Number of ratings | — | **3.5K** |
| Positive reviews | — | 32.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 25 MB | 642 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [VILAAPPS DESENVOLVIMENTO DE SISTEMAS LTDA](https://appshunter.io/developer/1594697114) | [Tailing Technology Co., Ltd](https://appshunter.io/developer/1597230425) |

## What reviewers say

### Omni Relprev

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 台铃智能

[App page](https://appshunter.io/ios/app/id1597230423)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Omni Relprev free?

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

### Is 台铃智能 free?

台铃智能 is free to download, with no in-app purchases.

### Do Omni Relprev or 台铃智能 have ads?

Neither Omni Relprev nor 台铃智能 shows ads.

### Which is updated more often, Omni Relprev or 台铃智能?

Omni Relprev ships an update every 3 months, and 台铃智能 monthly. Most recently, Omni Relprev was updated on October 22, 2026 and 台铃智能 on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*