# MOD Ration Formulation Tool vs Aqua Siri

The clearest difference is in-app purchases: MOD Ration Formulation Tool at none against Aqua Siri's 1. MOD Ration Formulation Tool also leads on iOS requirement (12.0 vs 15.1). Aqua Siri's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Aqua Siri sells 1 one-off in-app purchase. MOD Ration Formulation Tool asks for nothing beyond the download.

MOD Ration Formulation Tool ships an update every 3 weeks, Aqua Siri every 3 days. The most recent releases landed on July 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | MOD Ration Formulation Tool | Aqua Siri |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mod-ration-formulation-tool/id1553098803/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 38 MB | 53 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gnanavel Subramaniam](https://appshunter.io/developer/1553098805) | [Manoj Chokkapu](https://appshunter.io/developer/1896699682) |

## What reviewers say

### MOD Ration Formulation Tool

[App page](https://appshunter.io/ios/app/mod-ration-formulation-tool/id1553098803)

This utility app helps dairy farmers in Sri Lanka create balanced and cost-effective feed rations for their animals. It utilizes readily available feed resources to ensure optimal nutrition.

**Highlights:** Formulate nutrient-adequate diets, Calculate least-cost rations, Utilize common feed resources, Support for dairy animals, Designed for Sri Lankan farmers

**Features:** macOS Compatibility

**In-app purchases:** none


### Aqua Siri

[App page](https://appshunter.io/ios/app/aqua-siri/id6769914508)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pond | $4.99 | one-time |


## Frequently asked questions

### Is MOD Ration Formulation Tool free?

MOD Ration Formulation Tool is free to download, with no in-app purchases.

### Is Aqua Siri free?

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

### Do MOD Ration Formulation Tool or Aqua Siri have ads?

Neither MOD Ration Formulation Tool nor Aqua Siri shows ads.

### Which is updated more often, MOD Ration Formulation Tool or Aqua Siri?

MOD Ration Formulation Tool ships an update every 3 weeks, and Aqua Siri every 3 days. Most recently, MOD Ration Formulation Tool was updated on July 6, 2026 and Aqua Siri on October 3, 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.*