# i2DSP vs CAD手机看图

The clearest difference is in-app purchases: i2DSP at none against CAD手机看图's 4. CAD手机看图's advantage is update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CAD手机看图 sells 4 in-app purchases, starting at $4.99 per 7 days. i2DSP asks for nothing beyond the download.

i2DSP ships an update every 3 weeks, CAD手机看图 weekly. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | i2DSP | CAD手机看图 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 37 MB | 55 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEIKAKU](https://appshunter.io/developer/860317297) | [玉亮 马](https://appshunter.io/developer/1593361616) |

## What reviewers say

### i2DSP

[App page](https://appshunter.io/ios/app/i2dsp/id1484298898)

**Features:** macOS Compatibility

**In-app purchases:** none


### CAD手机看图

[App page](https://appshunter.io/ios/app/cad-autocad/id6670159968)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级版周会员 | $4.99 | per 7 days |
| 高级版周会员 | $6.99 | per 7 days |
| 高级版月会员 | $7.99 | per month |
| 高级版季会员 | $19.99 | per 3 months |


## Frequently asked questions

### Is i2DSP free?

i2DSP is free to download, with no in-app purchases.

### Is CAD手机看图 free?

CAD手机看图 is free to download, with in-app purchases available.

### Do i2DSP or CAD手机看图 have ads?

Neither i2DSP nor CAD手机看图 shows ads.

### Which is updated more often, i2DSP or CAD手机看图?

i2DSP ships an update every 3 weeks, and CAD手机看图 weekly. Most recently, i2DSP was updated on October 21, 2026 and CAD手机看图 on October 25, 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.*