# RSD Notes vs DS

The clearest difference is update cadence: RSD Notes at monthly against DS's every 28 months. DS's advantage is iOS requirement (11.0 vs 13.4). 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.

RSD Notes ships an update monthly, DS every 28 months. The most recent releases landed on June 6, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | RSD Notes | DS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rsd-notes/id639483216/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 28 months |
| Monetization | Free | — |
| Size | 54 MB | 34 MB |
| Requires iOS | 13.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Refrigeration Supplies Distributor](https://appshunter.io/developer/639483219) | [JB Industries, Inc.](https://appshunter.io/developer/977734857) |

## 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


### DS

[App page](https://appshunter.io/ios/app/ds-250/id1509336200)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RSD Notes free?

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

### Is DS free?

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

### Do RSD Notes or DS have ads?

Neither RSD Notes nor DS shows ads.

### Which is updated more often, RSD Notes or DS?

RSD Notes ships an update monthly, and DS every 28 months. Most recently, RSD Notes was updated on June 6, 2026 and DS on September 16, 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.*