# ORTH vs ACA Vademécum

The clearest difference is price: ORTH at Free against ACA Vademécum's $9.99. ORTH also leads on update cadence (every 5 days vs every 3 weeks). ACA Vademécum's advantage is in-app purchases (none vs 6). On ads, device support and iOS requirement there is nothing between them.

ORTH is free to download; ACA Vademécum costs $9.99 up front. ORTH sells 6 in-app purchases, starting at $20.00 per month. ACA Vademécum asks for nothing beyond the download.

ORTH ships an update every 5 days, ACA Vademécum every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ORTH | ACA Vademécum |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/orth/id6754557886/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 55 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Aydi Technologies](https://appshunter.io/developer/1848853522) | [Ulises Campos](https://appshunter.io/developer/6797525704) |

## What reviewers say

### 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 |


### ACA Vademécum

[App page](https://appshunter.io/ios/app/aca-vademecum/id6797525702)

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

**In-app purchases:** none


## Frequently asked questions

### Is ORTH free?

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

### Is ACA Vademécum free?

ACA Vademécum costs $9.99, with no in-app purchases.

### Do ORTH or ACA Vademécum have ads?

Neither ORTH nor ACA Vademécum shows ads.

### Which is updated more often, ORTH or ACA Vademécum?

ORTH ships an update every 5 days, and ACA Vademécum every 3 weeks. Most recently, ORTH was updated on October 30, 2026 and ACA Vademécum on October 31, 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.*