# RoboTone. vs Do

The clearest difference is in-app purchases: RoboTone. at none against Do's 1. Do's advantage is ads (none vs shown) and update cadence (every 5 days vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Do sells 1 one-off in-app purchase. RoboTone. asks for nothing beyond the download.

RoboTone. ships an update every 4 months, Do every 5 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RoboTone. | Do |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/robotone/id560491646/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 64 MB | 25 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MASAHIRO MIZUTANI](https://appshunter.io/developer/368158224) | [sayaka miyamori](https://appshunter.io/developer/1888092980) |

## What reviewers say

### RoboTone.

[App page](https://appshunter.io/ios/app/robotone/id560491646)

This app helps children develop absolute listening skills through interactive musical challenges. Players learn to identify tones by playing a virtual piano and then compete against a "robo" by selecting the correct notes. Settings allow customization of tones and instruments.

**Highlights:** Absolute listening skill development, Interactive musical challenges, Virtual piano gameplay, Tone identification battles, Customizable tones and instruments

**Features:** Vision Pro support

**In-app purchases:** none


### Do

[App page](https://appshunter.io/ios/app/do-re-mi-piano-sushi-notes/id6761980993)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $3.99 | one-time |


## Frequently asked questions

### Is RoboTone. free?

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

### Is Do free?

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

### Do RoboTone. or Do have ads?

RoboTone. shows ads; Do does not.

### Which is updated more often, RoboTone. or Do?

RoboTone. ships an update every 4 months, and Do every 5 days. Most recently, RoboTone. was updated on October 29, 2026 and Do on October 25, 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.*