# SONO USG vs CHISON Pilot

SONO USG and CHISON Pilot are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SONO USG ships an update every 4 weeks, CHISON Pilot every 5 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SONO USG | CHISON Pilot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chison-pilot/id6746540282/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | — | Free |
| Size | 276 MB | 191 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Leltek](https://appshunter.io/developer/1329395835) | [CHISON MEDICAL TECHNOLOGIES CO., LTD.](https://appshunter.io/developer/1474562039) |

## What reviewers say

### SONO USG

[App page](https://appshunter.io/ios/app/sono-usg/id1671961635)

**Features:** macOS Compatibility

**In-app purchases:** none


### CHISON Pilot

[App page](https://appshunter.io/ios/app/chison-pilot/id6746540282)

This AI-powered platform provides healthcare professionals and distributors with rapid access to product specifications, clinical data, and market insights. It streamlines client engagement with instant sharing of tailored materials and offers on-demand tutorials for faster product mastery.

**Highlights:** Instant access to ultrasound specs and clinical data, One-click client engagement with tailored materials, Multilingual support for global teams, On-demand product tutorials, Market insights and compliance documents

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

**In-app purchases:** none


## Frequently asked questions

### Is SONO USG free?

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

### Is CHISON Pilot free?

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

### Do SONO USG or CHISON Pilot have ads?

Neither SONO USG nor CHISON Pilot shows ads.

### Which is updated more often, SONO USG or CHISON Pilot?

SONO USG ships an update every 4 weeks, and CHISON Pilot every 5 weeks. Most recently, SONO USG was updated on October 9, 2026 and CHISON Pilot on October 8, 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.*