# Speaker Tools vs Plotly

The clearest difference is update cadence: Plotly at every 3 days against Speaker Tools's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Speaker Tools sells 2 in-app purchases, starting at $4.99 per month and Plotly sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Speaker Tools ships an update every 2 months, Plotly every 3 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Speaker Tools | Plotly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/speaker-tools-audio-test/id6759132052/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Subscription | — |
| Size | 7 MB | 1 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [家宝 戴](https://appshunter.io/developer/1826395838) | [Jhomar Maravillas](https://appshunter.io/developer/6783703541) |

## What reviewers say

### Speaker Tools

[App page](https://appshunter.io/ios/app/speaker-tools-audio-test/id6759132052)

This audio utility generates tones and explores sound frequencies using your device's speakers. It offers low-frequency playback, a wide frequency generator, and stereo channel signals for listening and basic audio testing.

**Highlights:** Low-frequency tone playback, Frequency generator (20 Hz – 20 kHz), Stereo speaker channel playback, Reference sound level meter, On-device audio signal generation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpeakerTools Pro Monthly | $4.99 | per month |
| SpeakerTools Pro Monthly | $29.99 | per year |


### Plotly

[App page](https://appshunter.io/ios/app/plotly-stage-plot-maker/id6792488544)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is Speaker Tools free?

Speaker Tools is free to download, with in-app purchases available.

### Is Plotly free?

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

### Do Speaker Tools or Plotly have ads?

Neither Speaker Tools nor Plotly shows ads.

### Which is updated more often, Speaker Tools or Plotly?

Speaker Tools ships an update every 2 months, and Plotly every 3 days. Most recently, Speaker Tools was updated on November 9, 2026 and Plotly 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.*