# RSD Notes vs Sporlan Tech Check

The clearest difference is rating: RSD Notes at 5.0 against Sporlan Tech Check's 4.6. RSD Notes also leads on update cadence (monthly vs every 3 months). Sporlan Tech Check's advantage is ratings volume (10 vs 3). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

RSD Notes holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 3 and 10 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

RSD Notes ships an update monthly, Sporlan Tech Check every 3 months. The most recent releases landed on June 6, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | RSD Notes | Sporlan Tech Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rsd-notes/id639483216/reviews)** | [4.6 (10 ratings)](https://appshunter.io/ios/app/sporlan-tech-check/id1267386360/reviews) |
| Number of ratings | 3 | **10** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 54 MB | 293 MB |
| Requires iOS | **13.4** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Refrigeration Supplies Distributor](https://appshunter.io/developer/639483219) | [Rodrigo Miranda](https://appshunter.io/developer/1742641426) |

## What reviewers say

### RSD Notes

[App page](https://appshunter.io/ios/app/rsd-notes/id639483216)

Organize your job-related information with this app. Create notes, attach media, and easily find store locations. Access a built-in refrigerant pressure-temperature chart for quick reference.

**Highlights:** Create and store notes, Attach photos, videos, and voice recordings, Find RSD store locations with GPS, Built-in refrigerant PT chart, Email notes to RSD employee, Corporate contact information

**Features:** macOS Compatibility

**In-app purchases:** none


### Sporlan Tech Check

[App page](https://appshunter.io/ios/app/sporlan-tech-check/id1267386360)

This app allows users to interface with the Sporlan S3C Case controller solution. It enables viewing case parameters, process values, graphing sensors, and temporarily overriding EEVs, EEPRs, and solenoids for easy troubleshooting.

**Highlights:** View current operation values, Graph selected sensors, Temporary override of EEVs, EEPRs, and solenoids, Export controller data to CSV, Troubleshoot refrigeration cases remotely

**In-app purchases:** none


## Frequently asked questions

### Is RSD Notes free?

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

### Is Sporlan Tech Check free?

Sporlan Tech Check is free to download, with no in-app purchases.

### Which has better reviews, RSD Notes or Sporlan Tech Check?

RSD Notes is rated higher. RSD Notes averages 5.0 out of 5 from 3 ratings, while Sporlan Tech Check averages 4.6 from 10 ratings.

### Do RSD Notes or Sporlan Tech Check have ads?

Neither RSD Notes nor Sporlan Tech Check shows ads.

### Which is updated more often, RSD Notes or Sporlan Tech Check?

RSD Notes ships an update monthly, and Sporlan Tech Check every 3 months. Most recently, RSD Notes was updated on June 6, 2026 and Sporlan Tech Check on June 1, 2026.

---

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