# Disp_Generator vs Smart iMeters

The clearest difference is update cadence: Disp_Generator at every 3 months against Smart iMeters's every 20 months. Disp_Generator also leads on iOS requirement (9.0 vs 15.0). 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 iMeters every 20 months. The most recent releases landed on September 13, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Disp_Generator | Smart iMeters |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 20 months |
| Size | 68 MB | 29 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Everfine Photo-e-info Co., Ltd.](https://appshunter.io/developer/1064412147) | [Changzhou Haoyi Technology Co.,Ltd.](https://appshunter.io/developer/6775329697) |

## 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 iMeters

[App page](https://appshunter.io/ios/app/smart-imeters/id6450159159)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Disp_Generator free?

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

### Is Smart iMeters free?

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

### Do Disp_Generator or Smart iMeters have ads?

Neither Disp_Generator nor Smart iMeters shows ads.

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

Disp_Generator ships an update every 3 months, and Smart iMeters every 20 months. Most recently, Disp_Generator was updated on September 13, 2026 and Smart iMeters on September 16, 2026.

---

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