# 大通移动CRM vs 图片压缩

The clearest difference is in-app purchases: 大通移动CRM at none against 图片压缩's 1. 图片压缩's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 图片压缩 sells 1 in-app purchase, starting at $4.49 per year. 大通移动CRM asks for nothing beyond the download.

大通移动CRM ships an update every 6 weeks, 图片压缩 every 5 weeks. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 大通移动CRM | 图片压缩 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1591004380/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 98.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | — | Freemium |
| Size | 45 MB | 5 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DATON SECURITIES CO., LTD.](https://appshunter.io/developer/424777914) | [阳理 江](https://appshunter.io/developer/1645314423) |

## What reviewers say

### 大通移动CRM

[App page](https://appshunter.io/ios/app/crm/id1449925751)

**Features:** macOS Compatibility

**In-app purchases:** none


### 图片压缩

[App page](https://appshunter.io/ios/app/id1591004380)

This app efficiently reduces image file sizes by up to 90% while preserving high quality. It supports various formats, batch processing, and custom resolution adjustments, all processed locally for security and speed.

**Highlights:** High-quality image compression (up to 90% reduction), Supports JPG, PNG, HEIC formats, Customizable resolution and size, Real-time preview and comparison, Batch compression, iCloud integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员 | $4.49 | per year |


## Frequently asked questions

### Is 大通移动CRM free?

大通移动CRM is free to download, with no in-app purchases.

### Is 图片压缩 free?

图片压缩 is free to download, with in-app purchases available.

### Do 大通移动CRM or 图片压缩 have ads?

Neither 大通移动CRM nor 图片压缩 shows ads.

### Which is updated more often, 大通移动CRM or 图片压缩?

大通移动CRM ships an update every 6 weeks, and 图片压缩 every 5 weeks. Most recently, 大通移动CRM was updated on October 9, 2026 and 图片压缩 on October 14, 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.*