# iSmart Printer vs dB Logger

The clearest difference is in-app purchases: iSmart Printer at none against dB Logger's 2. iSmart Printer also leads on ads (none vs shown) and iOS requirement (12 vs 15.0). dB Logger's advantage is update cadence (daily vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. dB Logger sells 2 one-off in-app purchases. iSmart Printer asks for nothing beyond the download.

iSmart Printer ships an update every 2 weeks, dB Logger daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | iSmart Printer | dB Logger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/db-logger-sound-level-meter/id6778236281/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 107 MB | 142 MB |
| Requires iOS | **12** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [俊柯 张](https://appshunter.io/developer/1803504156) | [BEK Service LTD](https://appshunter.io/developer/1865488235) |

## What reviewers say

### iSmart Printer

[App page](https://appshunter.io/ios/app/ismart-printer/id6754624213)

**Features:** macOS Compatibility

**In-app purchases:** none


### dB Logger

[App page](https://appshunter.io/ios/app/db-logger-sound-level-meter/id6778236281)

Transform your device into a professional sound level meter and analyzer. Capture raw audio, log noise levels over time, and generate detailed reports. Ideal for assessing noise exposure, troubleshooting sound systems, or documenting noise complaints.

**Highlights:** Raw, unprocessed audio capture, Real-time dB-A, dB-C, dB-Z measurements, Frequency analysis (FFT spectrum), Noise logging and reporting (CSV, PDF), External microphone support, NR and NC room ratings, Noise-source identification

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |
| Full Version | $29.00 | one-time |


## Frequently asked questions

### Is iSmart Printer free?

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

### Is dB Logger free?

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

### Do iSmart Printer or dB Logger have ads?

dB Logger shows ads; iSmart Printer does not.

### Which is updated more often, iSmart Printer or dB Logger?

iSmart Printer ships an update every 2 weeks, and dB Logger daily. Most recently, iSmart Printer was updated on October 30, 2026 and dB Logger on October 31, 2026.

---

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