# Preview vs Decibel Meter

The clearest difference is in-app purchases: Preview at none against Decibel Meter's 2. Preview also leads on iOS requirement (10.0 vs 13.0). Decibel Meter's advantage is review sentiment (100% vs 77%) and update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Preview against 4.8 for Decibel Meter. Both are backed by a comparable volume of ratings — 22 and 10 respectively. Written reviews are what separate them: 77% of Preview's written reviews are positive against 100% of Decibel Meter's.

Preview ships an update every 2 months, Decibel Meter every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Preview | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (22 ratings)](https://appshunter.io/ios/app/preview-tools-for-profile/id1487719064/reviews) | **[4.8 (10 ratings)](https://appshunter.io/ios/app/decibel-meter-sound-analyzer/id6482288270/reviews)** |
| Number of ratings | **22** | 10 |
| Positive reviews | 76.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 32 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ekaterina Ivanova](https://appshunter.io/developer/1487719063) | [Bustgrow Ltd](https://appshunter.io/developer/1729557461) |

## What reviewers say

### Preview

[App page](https://appshunter.io/ios/app/preview-tools-for-profile/id1487719064)

Plan and visualize your social media feed before posting. This tool helps you arrange photos, discover relevant hashtags, and save them for future use to maintain a professional online presence.

**Highlights:** Photo preview for Instagram, Post planning functionality, Hashtag search and discovery, Saving of used hashtags, Profile visualization

**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 Preview free?

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

### Is Decibel Meter free?

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

### Which has better reviews, Preview or Decibel Meter?

Decibel Meter is rated higher. Preview averages 4.7 out of 5 from 22 ratings, while Decibel Meter averages 4.8 from 10 ratings.

### Do Preview or Decibel Meter have ads?

Neither Preview nor Decibel Meter shows ads.

### Which is updated more often, Preview or Decibel Meter?

Preview ships an update every 2 months, and Decibel Meter every 3 weeks. Most recently, Preview was updated on October 25, 2026 and Decibel Meter on October 24, 2026.

---

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