# Tru vs Sprayer Calibrator

The clearest difference is update cadence: Tru at every 2 months against Sprayer Calibrator's every 37 months. Tru also leads on iOS requirement (8.0 vs 11.0). Sprayer Calibrator's advantage is review sentiment (33% vs 20%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Tru ships an update every 2 months, Sprayer Calibrator every 37 months. The most recent releases landed on June 9, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Tru | Sprayer Calibrator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/tru-test-data-link/id893033296/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 20.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 37 months |
| Monetization | Free | Free |
| Size | 166 MB | 3 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Datamars SA](https://appshunter.io/developer/899066582) | [Rento UAB](https://appshunter.io/developer/1061524591) |

## What reviewers say

### Tru

[App page](https://appshunter.io/ios/app/tru-test-data-link/id893033296)

Easily transfer session files from your Tru-Test device to your phone. Upload data to livestock management platforms, share via email, or send to national traceability programs. Manage device settings and record sessions remotely.

**Highlights:** Download session files, Upload to Datamars Livestock, Share via email, Send to traceability programs, Change device settings, Record sessions, Share GPS location

**Features:** macOS Compatibility

**In-app purchases:** none


### Sprayer Calibrator

[App page](https://appshunter.io/ios/app/sprayer-calibrator/id1382685677)

This app assists farmers in selecting the correct pesticide nozzle and calibrating sprayer settings. It helps ensure accurate spraying rates, pressure, and tractor speed, with real-time tracking for precise application in the field.

**Highlights:** Pesticide nozzle selection, Sprayer value calibration, Real-time flow rate tracking, Tractor speed and pressure setup, Distance between nozzles setup, Spraying rate per minute/hectare

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tru free?

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

### Is Sprayer Calibrator free?

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

### Do Tru or Sprayer Calibrator have ads?

Neither Tru nor Sprayer Calibrator shows ads.

### Which is updated more often, Tru or Sprayer Calibrator?

Tru ships an update every 2 months, and Sprayer Calibrator every 37 months. Most recently, Tru was updated on June 9, 2026 and Sprayer Calibrator on September 6, 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.*