# Vitare Calc vs ORTH

The clearest difference is rating: ORTH at 5.0 against Vitare Calc's 3.0. ORTH also leads on update cadence (every 5 days vs every 6 weeks). Vitare Calc's advantage is in-app purchases (none vs 6) and iOS requirement (8.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. ORTH sells 6 in-app purchases, starting at $20.00 per month. Vitare Calc asks for nothing beyond the download.

ORTH holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Vitare Calc ships an update every 6 weeks, ORTH every 5 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Vitare Calc | ORTH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/vitare-calc/id1475500524/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/orth/id6754557886/reviews)** |
| Number of ratings | 3 | 3 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 63 MB | 110 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Vital Fertilizers LLC](https://appshunter.io/developer/1055205234) | [Aydi Technologies](https://appshunter.io/developer/1848853522) |

## What reviewers say

### Vitare Calc

[App page](https://appshunter.io/ios/app/vitare-calc/id1475500524)

This app helps hydroponic growers precisely calculate nutrient dosages and balance for various crops and growth stages. It offers pre-designed recipes and allows for custom adjustments to fit specific greenhouse needs.

**Highlights:** Precise nutrient dosage calculation, Nutritional balance for crops, Crop phenological stage support, Predesigned nutrient recipes, Customizable nutrient levels, Greenhouse operation adaptation

**In-app purchases:** none


### ORTH

[App page](https://appshunter.io/ios/app/orth/id6754557886)

This AI-powered assistant provides real-time, context-aware agronomy advice for growers. Get instant answers to farming questions, proactive risk alerts, and compliance support, all from your mobile device. Optimize your farm with intelligent recommendations tailored to your specific fields and crops.

**Highlights:** Real-time field-specific insights, Instant answers to agronomy questions, Proactive risk and pest alerts, Export compliance assistance, Continuous learning from farm data, Reduced input costs and increased yields

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orth Plus - Monthly | $20.00 | per month |
| Field Pro Monthly | $59.99 | per month |
| Orth Plus - Yearly | $200.00 | per year |
| Field Expert Monthly | $200.00 | per month |
| Field Pro Yearly | $600.00 | per year |
| Field Expert Yearly | $1000.00 | per year |


## Frequently asked questions

### Is Vitare Calc free?

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

### Is ORTH free?

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

### Which has better reviews, Vitare Calc or ORTH?

ORTH is rated higher. Vitare Calc averages 3.0 out of 5 from 3 ratings, while ORTH averages 5.0 from 3 ratings.

### Do Vitare Calc or ORTH have ads?

Neither Vitare Calc nor ORTH shows ads.

### Which is updated more often, Vitare Calc or ORTH?

Vitare Calc ships an update every 6 weeks, and ORTH every 5 days. Most recently, Vitare Calc was updated on November 3, 2026 and ORTH on October 30, 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.*