# Smart Planter vs Decibel Meter

The clearest difference is in-app purchases: Smart Planter at none against Decibel Meter's 2. Smart Planter also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Decibel Meter sells 2 in-app purchases, starting at $4.99 per month. Smart Planter asks for nothing beyond the download.

Smart Planter ships an update fortnightly, Decibel Meter every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Smart Planter | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (10 ratings)](https://appshunter.io/ios/app/decibel-meter-sound-analyzer/id6482288270/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 82 MB | 32 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Agritix Sdn Bhd](https://appshunter.io/developer/1380163984) | [Bustgrow Ltd](https://appshunter.io/developer/1729557461) |

## What reviewers say

### Smart Planter

[App page](https://appshunter.io/ios/app/smart-planter/id1475213256)

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-sound-analyzer/id6482288270)

Measure and understand ambient noise levels with this intuitive tool. It provides instant decibel readings, logs historical data with notes, and offers visual and auditory representations of sound. Ideal for ensuring safety, monitoring environments, or protecting hearing.

**Highlights:** Instant dB readings, Historical data logging, Add personal notes to recordings, Simple and intuitive interface, Real-time audio analysis, Visual and auditory sound representation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $4.99 | per month |
| Premium Access | $39.99 | per year |


## Frequently asked questions

### Is Smart Planter free?

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

### Is Decibel Meter free?

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

### Do Smart Planter or Decibel Meter have ads?

Neither Smart Planter nor Decibel Meter shows ads.

### Which is updated more often, Smart Planter or Decibel Meter?

Smart Planter ships an update fortnightly, and Decibel Meter every 3 weeks. Most recently, Smart Planter was updated on November 3, 2026 and Decibel Meter on October 30, 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.*