# Sing vs NLogSynth PRO

The clearest difference is rating: NLogSynth PRO at 4.6 against Sing's 3.0. NLogSynth PRO also leads on review sentiment (83% vs 63%) and ratings volume (33 vs 2). Sing's advantage is price ($4.99 vs $8.99) and device support (3 vs 1). On ads, in-app purchases and monetization model there is nothing between them.

Sing costs $4.99 and NLogSynth PRO $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NLogSynth PRO holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: NLogSynth PRO has 33 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 63% of Sing's written reviews are positive against 83% of NLogSynth PRO's.

Sing ships an update every 6 months, NLogSynth PRO every 2 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Sing | NLogSynth PRO |
| --- | --- | --- |
| Price | **$4.99** | $8.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/sing-intuna/id294767812/reviews) | **[4.6 (33 ratings)](https://appshunter.io/ios/app/nlogsynth-pro/id393879841/reviews)** |
| Number of ratings | 2 | **33** |
| Positive reviews | 62.5% of reviews | **83.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 2 MB | 25 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [HotPaw Productions](https://appshunter.io/developer/285074853) | [tempo rubato](https://appshunter.io/developer/293530910) |

## What reviewers say

### Sing

[App page](https://appshunter.io/ios/app/sing-intuna/id294767812)

Visualize your singing or instrument playing pitch with a color-coded graph. This app analyzes audio input to show if you are on, sharp, or flat, helping you train your ear for accurate intonation.

**Highlights:** Color-coded pitch graph, Real-time audio analysis, Visualizes pitch accuracy, Supports singing and instruments, Pitch frequency spectrum display, Monophonic pitch detection

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

**In-app purchases:** none


### NLogSynth PRO

[App page](https://appshunter.io/ios/app/nlogsynth-pro/id393879841)

This app is a professional virtual analog synthesizer for iOS, offering a low-latency sound engine with extensive editing capabilities. It supports various inter-app audio and MIDI protocols, allowing for integration with DAWs and external controllers. Create and export custom sounds and recordings with studio-quality audio.

**Highlights:** Virtual analog low-latency sound engine, Extensive sound editing with over 150 parameters, Support for AudioUnit v3, AudioBus 3, Inter-App Audio, Full MIDI implementation and Core MIDI compatibility, Studio quality 44.1 kHz Stereo CD quality audio, 224 factory sounds and user banks, Multi-effect section with delay, chorus, reverb, and more

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sing free?

Sing costs $4.99, with no in-app purchases.

### Is NLogSynth PRO free?

NLogSynth PRO costs $8.99, with no in-app purchases.

### Which has better reviews, Sing or NLogSynth PRO?

NLogSynth PRO is rated higher. Sing averages 3.0 out of 5 from 2 ratings, while NLogSynth PRO averages 4.6 from 33 ratings.

### Do Sing or NLogSynth PRO have ads?

Neither Sing nor NLogSynth PRO shows ads.

### Which is updated more often, Sing or NLogSynth PRO?

Sing ships an update every 6 months, and NLogSynth PRO every 2 months. Most recently, Sing was updated on October 8, 2026 and NLogSynth PRO on October 1, 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.*