# Spy Hearing vs NDR Hosts

The clearest difference is in-app purchases: NDR Hosts at none against Spy Hearing's 2. NDR Hosts also leads on iOS requirement (15.0 vs 17.0). Spy Hearing's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Spy Hearing sells 2 in-app purchases, starting at $4.99 per 7 days. NDR Hosts asks for nothing beyond the download.

Spy Hearing ships an update every 3 weeks, NDR Hosts every 2 weeks. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Spy Hearing | NDR Hosts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (64 ratings)](https://appshunter.io/ios/app/spy-hearing/id6766551476/reviews)** | — |
| Number of ratings | **64** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Subscription | — |
| Size | 4 MB | 44 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Ajmal](https://appshunter.io/developer/1370561935) | [DAEHONG MIN](https://appshunter.io/developer/6787942588) |

## What reviewers say

### Spy Hearing

[App page](https://appshunter.io/ios/app/spy-hearing/id6766551476)

Amplify distant sounds and record audio with your phone. This tool offers enhanced listening capabilities with various EQ presets and acoustic space options. It processes audio on-device for privacy and works with multiple headphone types.

**Highlights:** Up to 16x audio amplification, 5 tuned EQ presets, 9 acoustic space settings, Background recording, Noise cancellation, 8-band parametric EQ

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Lifetime | $14.99 | one-time |


### NDR Hosts

[App page](https://appshunter.io/ios/app/ndr-hosts/id6788332542)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spy Hearing free?

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

### Is NDR Hosts free?

NDR Hosts is free to download, with no in-app purchases.

### Do Spy Hearing or NDR Hosts have ads?

NDR Hosts shows ads; Spy Hearing does not.

### Which is updated more often, Spy Hearing or NDR Hosts?

Spy Hearing ships an update every 3 weeks, and NDR Hosts every 2 weeks. Most recently, Spy Hearing was updated on October 31, 2026 and NDR Hosts on October 28, 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.*