# Symbolic Method vs Irrigation Calculator Pro

The clearest difference is iOS requirement: Symbolic Method at 16.6 against Irrigation Calculator Pro's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Symbolic Method sells 2 in-app purchases, starting at $2.99 per 3 months and Irrigation Calculator Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Symbolic Method ships an update monthly, Irrigation Calculator Pro every 6 weeks. The most recent releases landed on October 26, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Symbolic Method | Irrigation Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 4 MB | 3 MB |
| Requires iOS | **16.6** | 18.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ralph Cos](https://appshunter.io/developer/573505028) | [Cederic Schmid](https://appshunter.io/developer/1833020611) |

## What reviewers say

### Symbolic Method

[App page](https://appshunter.io/ios/app/symbolic-method/id781671010)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Months Subscription | $2.99 | per 3 months |
| Annual Subscription | $4.99 | per year |


### Irrigation Calculator Pro

[App page](https://appshunter.io/ios/app/irrigation-calculator-pro/id6751106220)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $3.99 | one-time |


## Frequently asked questions

### Is Symbolic Method free?

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

### Is Irrigation Calculator Pro free?

Irrigation Calculator Pro is free to download, with in-app purchases available.

### Do Symbolic Method or Irrigation Calculator Pro have ads?

Neither Symbolic Method nor Irrigation Calculator Pro shows ads.

### Which is updated more often, Symbolic Method or Irrigation Calculator Pro?

Symbolic Method ships an update monthly, and Irrigation Calculator Pro every 6 weeks. Most recently, Symbolic Method was updated on October 26, 2026 and Irrigation Calculator Pro on October 11, 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.*