# Decibel Reader vs Orli

The clearest difference is rating: Orli at 5.0 against Decibel Reader's 4.5. Orli also leads on ads (none vs shown) and review sentiment (100% vs 80%). Decibel Reader's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (16.0 vs 18.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Decibel Reader sells 6 in-app purchases, starting at $3.99 per 7 days and Orli sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Orli holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 24 and 11 respectively. Written reviews point the same way: 80% of Decibel Reader's written reviews are positive against 100% of Orli's.

Decibel Reader ships an update every 2 weeks, Orli every 6 weeks. The most recent releases landed on September 18, 2026 and June 24, 2026 respectively.

## The numbers

| Metric | Decibel Reader | Orli |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (24 ratings)](https://appshunter.io/ios/app/decibel-reader/id6451411046/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/orli-future-messenger/id6747824250/reviews)** |
| Number of ratings | **24** | 11 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 12 MB | 23 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [Justin Toppins](https://appshunter.io/developer/1800937264) |

## What reviewers say

### Decibel Reader

[App page](https://appshunter.io/ios/app/decibel-reader/id6451411046)

Measure ambient noise levels with real-time readings, tracking minimum, average, and maximum decibels. Offers calibration for accuracy and a dark mode for comfortable viewing. This tool helps you understand your sound environment.

**Highlights:** Real-time decibel measurement, Calibration for accuracy, Track min, average, and max noise levels, Dark mode for low-light use, Simple and intuitive interface

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Meter Pro - 1 Week | $3.99 | per 7 days |
| Decibel Meter Pro - 1 Month | $7.99 | per month |
| Sound Level Meter - 6 Months | $19.99 | per 6 months |
| Noise Level Meter - 1 Year | $29.99 | per year |
| Decibel Meter Pro - 1Y 2 | $29.99 | per year |
| dB Meter Pro | $49.99 | one-time |


### Orli

[App page](https://appshunter.io/ios/app/orli-future-messenger/id6747824250)

Schedule and send text, audio, or video messages for future delivery via email or SMS. Perfect for reminders, special occasions, or thoughtful notes to loved ones, ensuring your messages arrive exactly when intended.

**Highlights:** Schedule future messages, Send text, audio, and video, Delivery via email or SMS, Set reminders for special occasions, Stay connected remotely

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

**In-app purchases (2)**

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


## Frequently asked questions

### Is Decibel Reader free?

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

### Is Orli free?

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

### Which has better reviews, Decibel Reader or Orli?

Orli is rated higher. Decibel Reader averages 4.5 out of 5 from 24 ratings, while Orli averages 5.0 from 11 ratings.

### Do Decibel Reader or Orli have ads?

Decibel Reader shows ads; Orli does not.

### Which is updated more often, Decibel Reader or Orli?

Decibel Reader ships an update every 2 weeks, and Orli every 6 weeks. Most recently, Decibel Reader was updated on September 18, 2026 and Orli on June 24, 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.*