# Inventory Note vs Noise Meter

The clearest difference is device support: Inventory Note at 3 against Noise Meter's 1. Inventory Note also leads on iOS requirement (15.5 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Inventory Note sells 1 in-app purchase, starting at $4.99 per month and Noise Meter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Inventory Note ships an update weekly, Noise Meter every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Inventory Note | Noise Meter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 7 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MASATO ANDO](https://appshunter.io/developer/1643928286) | [Hiroyuki Kako](https://appshunter.io/developer/1581721316) |

## What reviewers say

### Inventory Note

[App page](https://appshunter.io/ios/app/inventory-note/id1643927984)

Easily track home and retail inventory with real-time sharing for multiple users. Manage stock, consumption, and shopping lists effortlessly. Ideal for families and individuals managing household or small business supplies.

**Highlights:** Real-time inventory sharing, Consumption tracking, Automated shopping list generation, Expiration date tracking, Product URL and memo storage, Purchase history log

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inventory Note Premium Plan | $4.99 | per month |


### Noise Meter

[App page](https://appshunter.io/ios/app/noise-meter-log-and-report/id6791053673)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $9.99 | one-time |


## Frequently asked questions

### Is Inventory Note free?

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

### Is Noise Meter free?

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

### Do Inventory Note or Noise Meter have ads?

Both Inventory Note and Noise Meter show ads.

### Which is updated more often, Inventory Note or Noise Meter?

Inventory Note ships an update weekly, and Noise Meter every 2 weeks. Most recently, Inventory Note was updated on October 30, 2026 and Noise Meter on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*