# Volumetric Method Simulator vs LuvNotes

The clearest difference is price: LuvNotes at Free against Volumetric Method Simulator's $19.99. LuvNotes also leads on update cadence (every 6 months vs every 26 months). Volumetric Method Simulator's advantage is iOS requirement (12.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

LuvNotes is free to download; Volumetric Method Simulator costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Volumetric Method Simulator ships an update every 26 months, LuvNotes every 6 months. The most recent releases landed on September 4, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Volumetric Method Simulator | LuvNotes |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[5.0 (542 ratings)](https://appshunter.io/ios/app/luvnotes/id6535649414/reviews)** |
| Number of ratings | — | **542** |
| Positive reviews | — | 61.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 20 MB | 137 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Moura](https://appshunter.io/developer/407501202) | [Little Sunshine's Playhouse and Preschool, inc](https://appshunter.io/developer/1597162345) |

## What reviewers say

### Volumetric Method Simulator

[App page](https://appshunter.io/ios/app/volumetric-method-simulator/id1475024726)

**Features:** Vision Pro support

**In-app purchases:** none


### LuvNotes

[App page](https://appshunter.io/ios/app/luvnotes/id6535649414)

This app facilitates daily communication between parents and preschools. Parents can view personalized reports, receive classroom updates, and see photos and videos of their children. It also offers features like convenient check-in and document management.

**Highlights:** Daily reports, Classroom updates, Photo and video sharing, Convenient check-in, School announcements, Document and payment management

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

**In-app purchases:** none


## Frequently asked questions

### Is Volumetric Method Simulator free?

Volumetric Method Simulator costs $19.99, with no in-app purchases.

### Is LuvNotes free?

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

### Do Volumetric Method Simulator or LuvNotes have ads?

Neither Volumetric Method Simulator nor LuvNotes shows ads.

### Which is updated more often, Volumetric Method Simulator or LuvNotes?

Volumetric Method Simulator ships an update every 26 months, and LuvNotes every 6 months. Most recently, Volumetric Method Simulator was updated on September 4, 2026 and LuvNotes on September 23, 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.*