# NS2 AIR MONITORS vs Midi Poly Grid

The clearest difference is review sentiment: Midi Poly Grid at 100% against NS2 AIR MONITORS's 17%. Midi Poly Grid also leads on rating (5.0 vs 2.0) and update cadence (every 11 days vs every 9 months). NS2 AIR MONITORS's advantage is price (Free vs $3.99) and iOS requirement (9.0 vs 15.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

NS2 AIR MONITORS is free to download; Midi Poly Grid costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Midi Poly Grid holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews point the same way: 17% of NS2 AIR MONITORS's written reviews are positive against 100% of Midi Poly Grid's.

NS2 AIR MONITORS ships an update every 9 months, Midi Poly Grid every 11 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NS2 AIR MONITORS | Midi Poly Grid |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/ns2-air-monitors/id670190671/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/midi-poly-grid/id1633882803/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | 16.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 11 days** |
| Monetization | **Free** | Paid |
| Size | 6 MB | 24 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Hansong(Nanjing) Technology Ltd.](https://appshunter.io/developer/565859963) | [Andreas Mueller](https://appshunter.io/developer/1633882805) |

## What reviewers say

### NS2 AIR MONITORS

[App page](https://appshunter.io/ios/app/ns2-air-monitors/id670190671)

This app facilitates the setup and management of NS2 v2 wireless speakers. It guides users through Wi-Fi connection for wireless music streaming and allows for speaker management, renaming, and firmware updates.

**Highlights:** Wi-Fi network connection, Wireless music streaming, Speaker management, Speaker renaming, Firmware updates

**In-app purchases:** none


### Midi Poly Grid

[App page](https://appshunter.io/ios/app/midi-poly-grid/id1633882803)

This app functions solely as a MIDI controller, requiring a host application or DAW to produce sound. It offers intuitive pad controls for melodies and finger drumming, with advanced modulation options like MPE and polyphonic aftertouch. Connect virtually or via USB/Bluetooth to other devices and DAWs.

**Highlights:** Size-adjustable grid of pads, MPE and polyphonic aftertouch modulation, Custom grid creation, Virtual MIDI connection, Preset saving, Multiple layouts and colors

**In-app purchases:** none


## Frequently asked questions

### Is NS2 AIR MONITORS free?

NS2 AIR MONITORS is free to download, with no in-app purchases.

### Is Midi Poly Grid free?

Midi Poly Grid costs $3.99, with no in-app purchases.

### Which has better reviews, NS2 AIR MONITORS or Midi Poly Grid?

Midi Poly Grid is rated higher. NS2 AIR MONITORS averages 2.0 out of 5 from 3 ratings, while Midi Poly Grid averages 5.0 from 8 ratings.

### Do NS2 AIR MONITORS or Midi Poly Grid have ads?

Neither NS2 AIR MONITORS nor Midi Poly Grid shows ads.

### Which is updated more often, NS2 AIR MONITORS or Midi Poly Grid?

NS2 AIR MONITORS ships an update every 9 months, and Midi Poly Grid every 11 days. Most recently, NS2 AIR MONITORS was updated on October 23, 2026 and Midi Poly Grid on October 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.*