# OmniTools vs 四级单词达人

The clearest difference is in-app purchases: OmniTools at none against 四级单词达人's 1. OmniTools also leads on update cadence (every 9 days vs every 3 months). 四级单词达人's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 四级单词达人 sells 1 one-off in-app purchase. OmniTools asks for nothing beyond the download.

OmniTools ships an update every 9 days, 四级单词达人 every 3 months. The most recent releases landed on September 14, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | OmniTools | 四级单词达人 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/omnitools/id1672839585/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 46 MB | 11 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [一峰 赵](https://appshunter.io/developer/906417962) | [摇摇 章](https://appshunter.io/developer/1570032236) |

## What reviewers say

### OmniTools

[App page](https://appshunter.io/ios/app/omnitools/id1672839585)

This versatile app offers a comprehensive suite of tools for file management, media creation, and utility functions. It includes features for photo cleanup, intelligent compression, PDF manipulation, QR code scanning and generation, and various text and unit conversions.

**Highlights:** Photo cleanup and intelligent compression, Address book optimization, Hardware detection and device information, Image to PDF conversion and PDF signing, QR code/barcode scanning and generation, File compression and extraction (zip, rar, 7z), File transfer over local network

**Features:** macOS Compatibility

**In-app purchases:** none


### 四级单词达人

[App page](https://appshunter.io/ios/app/ai/id6484273453)

This app simplifies vocabulary learning for the CET-4 exam. It uses AI to recommend words and track your memory, creating personalized study plans. A daily word widget keeps you on track.

**Highlights:** AI-powered word recommendations, Latest CET-4 vocabulary list, Daily word widget, Memory tracking, Personalized study plans

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 大学英语四级单词达人vip会员 | $0.99 | one-time |


## Frequently asked questions

### Is OmniTools free?

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

### Is 四级单词达人 free?

四级单词达人 is free to download, with in-app purchases available.

### Do OmniTools or 四级单词达人 have ads?

OmniTools shows ads; 四级单词达人 does not.

### Which is updated more often, OmniTools or 四级单词达人?

OmniTools ships an update every 9 days, and 四级单词达人 every 3 months. Most recently, OmniTools was updated on September 14, 2026 and 四级单词达人 on August 22, 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.*