# ExTOPE Connect vs S4C

The clearest difference is update cadence: S4C at monthly against ExTOPE Connect's every 2 months. 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.

ExTOPE Connect ships an update every 2 months, S4C monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ExTOPE Connect | S4C |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 23 MB | 35 MB |
| Requires iOS | 13.0 | **12** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hitachi High-Tech Analytical Science Finland Oy](https://appshunter.io/developer/1346046526) | [SUTO iTEC (China) Co. Ltd](https://appshunter.io/developer/1511502112) |

## What reviewers say

### ExTOPE Connect

[App page](https://appshunter.io/ios/app/extope-connect/id1346652791)

Easily view and share analysis results from Hitachi High-Tech analyzers. Capture photos, attach them to measurements, and share instantly via messaging or email. Print reports or sync results to the cloud.

**Highlights:** View analyzer results locally or via cloud, Capture and attach photos to results, Instant sharing via messaging and email, Print reports to AirPrint printers, Upload and sync results to cloud

**Features:** macOS Compatibility

**In-app purchases:** none


### S4C

[App page](https://appshunter.io/ios/app/s4c-fs/id1619076144)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ExTOPE Connect free?

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

### Is S4C free?

S4C is free to download, with no in-app purchases.

### Do ExTOPE Connect or S4C have ads?

Neither ExTOPE Connect nor S4C shows ads.

### Which is updated more often, ExTOPE Connect or S4C?

ExTOPE Connect ships an update every 2 months, and S4C monthly. Most recently, ExTOPE Connect was updated on November 6, 2026 and S4C on November 3, 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.*