Air~Select vs S4C
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Air~Select
This utility helps users select the appropriate air compressor based on critical technical specifications. It considers factors such as operating pressure and required airflow to guide your choice.
- Compressor selection tool
- Technical specification input
- Operating pressure consideration
- Airflow requirement calculation
- Guided selection process
Read full descriptionHide full description
The APP enables right compressor selection based on technical considerations like Operating Pressure, Air Flow required and so on
S4C
Read full descriptionHide full description
S4C-FS Service App is used by service people to check sensor readings, perform settings. It uses Bluetooth Low Energy (BLE) to communicate with sensors. Features: * Show Online values: - Flow - Velocity - Pressure - Temperature * Perform Settings: - Flow Settings - Units Settings - Reference Conditions - Factory Settings - Counter Settings - Output Settings
Screenshots
Verdict
The clearest difference is update cadence: S4C at monthly against Air~Select's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Air~Select ships an update every 6 months, S4C monthly. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.
| Parameter | Air~Select | S4C |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12 — better |
| Further details — not scored | ||
| Size | 31 MB | 35 MB |
| Age rating | 4+ | 17+ |
| Developer | Subodh Nair | SUTO iTEC (China) Co. Ltd |
In-app purchases
Air~Select
No in-app purchases
S4C
No in-app purchases
