# Disp_Generator vs Smart

The clearest difference is update cadence: Disp_Generator at every 3 months against Smart's every 7 months. Disp_Generator also leads on 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.

Disp_Generator ships an update every 3 months, Smart every 7 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Disp_Generator | Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Size | 68 MB | 40 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou Everfine Photo-e-info Co., Ltd.](https://appshunter.io/developer/1064412147) | [Shantou Institute of Ultrasonic Inst. Co., Ltd.](https://appshunter.io/developer/406261738) |

## What reviewers say

### Disp_Generator

[App page](https://appshunter.io/ios/app/disp-generator/id1445375372)

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

**In-app purchases:** none


### Smart

[App page](https://appshunter.io/ios/app/smart-x-vet/id6443614663)

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

**In-app purchases:** none


## Frequently asked questions

### Is Disp_Generator free?

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

### Is Smart free?

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

### Do Disp_Generator or Smart have ads?

Neither Disp_Generator nor Smart shows ads.

### Which is updated more often, Disp_Generator or Smart?

Disp_Generator ships an update every 3 months, and Smart every 7 months. Most recently, Disp_Generator was updated on November 2, 2026 and Smart on October 27, 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.*