# Smart Imager vs SonusQuest

The clearest difference is in-app purchases: Smart Imager at none against SonusQuest's 1. Smart Imager also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SonusQuest sells 1 in-app purchase, starting at $1.99 per month. Smart Imager asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Smart Imager | SonusQuest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 60 MB | 27 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [zhuhai jida huapu instrument co.,Ltd](https://appshunter.io/developer/1620346225) | [素兰 李](https://appshunter.io/developer/1613138789) |

## What reviewers say

### Smart Imager

[App page](https://appshunter.io/ios/app/smart-imager/id6755418060)

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

**In-app purchases:** none


### SonusQuest

[App page](https://appshunter.io/ios/app/sonusquest/id6760118561)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $1.99 | per month |


## Frequently asked questions

### Is Smart Imager free?

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

### Is SonusQuest free?

SonusQuest is free to download, with in-app purchases available.

### Do Smart Imager or SonusQuest have ads?

Neither Smart Imager nor SonusQuest shows ads.

### Which is updated more often, Smart Imager or SonusQuest?

Smart Imager ships an update every 3 weeks, and SonusQuest every 3 weeks. Most recently, Smart Imager was updated on October 15, 2026 and SonusQuest on October 24, 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.*