# Tonegraph vs SSTV+

The clearest difference is iOS requirement: Tonegraph at 12.1 against SSTV+'s 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Tonegraph | SSTV+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 15 MB | 4 MB |
| Requires iOS | **12.1** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shinichi Takemura](https://appshunter.io/developer/1441889523) | [永升 李](https://appshunter.io/developer/6802489303) |

## What reviewers say

### Tonegraph

[App page](https://appshunter.io/ios/app/tonegraph-instrument-tuner/id1441889524)

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

**In-app purchases:** none


### SSTV+

[App page](https://appshunter.io/ios/app/sstv-plus/id6802925865)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tonegraph free?

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

### Is SSTV+ free?

SSTV+ is free to download, with no in-app purchases.

### Do Tonegraph or SSTV+ have ads?

Neither Tonegraph nor SSTV+ shows ads.

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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.*