# 海付PLUS vs Tomi dB

The clearest difference is price: 海付PLUS at Free against Tomi dB's $0.29. 海付PLUS also leads on update cadence (monthly vs every 14 months) and iOS requirement (11.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

海付PLUS is free to download; Tomi dB costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

海付PLUS ships an update monthly, Tomi dB every 14 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 海付PLUS | Tomi dB |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 14 months |
| Monetization | — | Paid |
| Size | 136 MB | 5 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rongtong Info&Tech Co., Ltd](https://appshunter.io/developer/621877572) | [翔宇 孟](https://appshunter.io/developer/1666443091) |

## What reviewers say

### 海付PLUS

[App page](https://appshunter.io/ios/app/plus/id1596058610)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tomi dB

[App page](https://appshunter.io/ios/app/tomi-dbsound-decibel-meter/id6445875391)

This app visualizes sound levels with a cute, animated character that reacts to noise. It logs high-decibel events and provides historical analytics to help monitor and manage noise disturbances in various settings.

**Highlights:** Real-time cartoon feedback, Noise event tracker, Automatic logging of high-decibel events, Noise pattern identification, Historical noise analytics, Voice recording for noise control

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

**In-app purchases:** none


## Frequently asked questions

### Is 海付PLUS free?

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

### Is Tomi dB free?

Tomi dB costs $0.29, with no in-app purchases.

### Do 海付PLUS or Tomi dB have ads?

Neither 海付PLUS nor Tomi dB shows ads.

### Which is updated more often, 海付PLUS or Tomi dB?

海付PLUS ships an update monthly, and Tomi dB every 14 months. Most recently, 海付PLUS was updated on September 17, 2026 and Tomi dB on September 16, 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.*