# SAGUA Barcode Reader vs i Sound Level Meter

The clearest difference is ads: SAGUA Barcode Reader at none against i Sound Level Meter's shown. i Sound Level Meter's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SAGUA Barcode Reader ships an update every 4 weeks, i Sound Level Meter monthly. The most recent releases landed on September 4, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | SAGUA Barcode Reader | i Sound Level Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (37 ratings)](https://appshunter.io/ios/app/i-sound-level-meter/id912170360/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | — | 22.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | — | Ad-supported |
| Size | 20 MB | 7 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Xu](https://appshunter.io/developer/618399303) | [EONSOFT](https://appshunter.io/developer/899851112) |

## What reviewers say

### SAGUA Barcode Reader

[App page](https://appshunter.io/ios/app/sagua-barcode-reader/id618399300)

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

**In-app purchases:** none


### i Sound Level Meter

[App page](https://appshunter.io/ios/app/i-sound-level-meter/id912170360)

Measure the noise levels around you with this sound meter. Track maximum and minimum decibel values during your measurements. For the most accurate readings, consider using a high-performance noise meter.

**Highlights:** Measures ambient noise levels, Tracks maximum noise values, Tracks minimum noise values, Displays noise measurements

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SAGUA Barcode Reader free?

SAGUA Barcode Reader is free to download, with no in-app purchases.

### Is i Sound Level Meter free?

i Sound Level Meter is free to download, with no in-app purchases.

### Do SAGUA Barcode Reader or i Sound Level Meter have ads?

i Sound Level Meter shows ads; SAGUA Barcode Reader does not.

### Which is updated more often, SAGUA Barcode Reader or i Sound Level Meter?

SAGUA Barcode Reader ships an update every 4 weeks, and i Sound Level Meter monthly. Most recently, SAGUA Barcode Reader was updated on September 4, 2026 and i Sound Level Meter on September 26, 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.*