# NSTracker vs Tags CrystalSound

The clearest difference is update cadence: NSTracker at every 2 months against Tags CrystalSound's every 21 months. Tags CrystalSound's advantage is iOS requirement (13.0 vs 15.1). 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.

NSTracker ships an update every 2 months, Tags CrystalSound every 21 months. The most recent releases landed on August 3, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | NSTracker | Tags CrystalSound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/nstracker/id516392828/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Monetization | Free | — |
| Size | 67 MB | 18 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nutrien AG Solutions, Inc.](https://appshunter.io/developer/516392831) | [Crystal Sound S.R.L.](https://appshunter.io/developer/1502775701) |

## What reviewers say

### NSTracker

[App page](https://appshunter.io/ios/app/nstracker/id516392828)

This app allows field samplers to submit lab samples for soil, tissue, and water. It supports adding growers, farms, and fields, with geospatial mapping and access to historical data. Users can also manage favorites and customize their experience.

**Highlights:** Lab sample submission (soil, tissue, water), Grower, farm, and field management, Geospatial boundary mapping, Sample history and report access, Quick resampling, Favorites and customization

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Tags CrystalSound

[App page](https://appshunter.io/ios/app/tags-crystalsound/id6502644633)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NSTracker free?

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

### Is Tags CrystalSound free?

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

### Do NSTracker or Tags CrystalSound have ads?

Neither NSTracker nor Tags CrystalSound shows ads.

### Which is updated more often, NSTracker or Tags CrystalSound?

NSTracker ships an update every 2 months, and Tags CrystalSound every 21 months. Most recently, NSTracker was updated on August 3, 2026 and Tags CrystalSound on September 8, 2026.

---

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