# Audio Tone Generator Plus vs Kestrel Sight

The clearest difference is update cadence: Kestrel Sight at weekly against Audio Tone Generator Plus's every 6 months. Kestrel Sight also leads on price ($1.99 vs $6.99) and iOS requirement (18.6 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Audio Tone Generator Plus costs $6.99 and Kestrel Sight $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Audio Tone Generator Plus ships an update every 6 months, Kestrel Sight weekly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Audio Tone Generator Plus | Kestrel Sight |
| --- | --- | --- |
| Price | $6.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Size | 1 MB | 2 MB |
| Requires iOS | 26.2 | **18.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Tracivex LLC](https://appshunter.io/developer/1858071600) |

## What reviewers say

### Audio Tone Generator Plus

[App page](https://appshunter.io/ios/app/audio-tone-generator-plus/id1619042820)

**In-app purchases:** none


### Kestrel Sight

[App page](https://appshunter.io/ios/app/kestrel-sight/id6756164484)

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

**In-app purchases:** none


## Frequently asked questions

### Is Audio Tone Generator Plus free?

Audio Tone Generator Plus costs $6.99, with no in-app purchases.

### Is Kestrel Sight free?

Kestrel Sight costs $1.99, with no in-app purchases.

### Do Audio Tone Generator Plus or Kestrel Sight have ads?

Neither Audio Tone Generator Plus nor Kestrel Sight shows ads.

### Which is updated more often, Audio Tone Generator Plus or Kestrel Sight?

Audio Tone Generator Plus ships an update every 6 months, and Kestrel Sight weekly. Most recently, Audio Tone Generator Plus was updated on November 7, 2026 and Kestrel Sight on November 5, 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.*