# SDS vs NA Tuner

The clearest difference is in-app purchases: NA Tuner at none against SDS's 3. SDS's advantage is update cadence (every 3 months vs every 17 months) and review sentiment (90% vs 67%). On price, rating, ads and device support there is nothing between them.

Both are free to download. SDS sells 3 in-app purchases, starting at $0.99 per month. NA Tuner asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for SDS against 4.7 for NA Tuner. Both are backed by a comparable volume of ratings — 67 and 18 respectively. Written reviews are what separate them: 90% of SDS's written reviews are positive against 67% of NA Tuner's.

SDS ships an update every 3 months, NA Tuner every 17 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | SDS | NA Tuner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (67 ratings)](https://appshunter.io/ios/app/sds-x-simple-drum-sampler/id1468026221/reviews)** | [4.7 (18 ratings)](https://appshunter.io/ios/app/na-tuner/id1613197835/reviews) |
| Number of ratings | **67** | 18 |
| Positive reviews | **90.4% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 17 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 54 MB | 23 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryan Robinson](https://appshunter.io/developer/1270890717) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## What reviewers say

### SDS

[App page](https://appshunter.io/ios/app/sds-x-simple-drum-sampler/id1468026221)

Create beats and play drum samples with this feature-rich drum machine app. It offers an intuitive sequencer, extensive sample manipulation, and professional audio output options. Suitable for beginners and experienced musicians alike.

**Highlights:** 30+ factory kits, Intuitive 16-step sequencer, Nearly 200 factory samples, Drag and drop sample loading, Mixer with FX, AUv3 plugin support, MIDI and Ableton Link support

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features Monthly | $0.99 | per month |
| Pro Features Yearly | $4.99 | per year |
| Pro Features | $12.99 | one-time |


### NA Tuner

[App page](https://appshunter.io/ios/app/na-tuner/id1613197835)

This music app offers fast and accurate chromatic tuning with a clear, full-color LED display. It supports various tuning standards, drop/capo modes, and provides ultra-precise ±0.01 cent accuracy for musicians on the go.

**Highlights:** Full color LED display, Accurate tuning anytime, anywhere, Calibration to any pitch standard, Drop/Capo mode with auto-transpose, Ultra-precise ±0.01 cent accuracy, Standalone app and AudioUnit v3 effect

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SDS free?

SDS is free to download, with in-app purchases available.

### Is NA Tuner free?

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

### Which has better reviews, SDS or NA Tuner?

SDS is rated higher. SDS averages 4.9 out of 5 from 67 ratings, while NA Tuner averages 4.7 from 18 ratings.

### Do SDS or NA Tuner have ads?

Neither SDS nor NA Tuner shows ads.

### Which is updated more often, SDS or NA Tuner?

SDS ships an update every 3 months, and NA Tuner every 17 months. Most recently, SDS was updated on October 24, 2026 and NA Tuner on October 24, 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.*