# Trombone Sight Reading vs Pubbo

The clearest difference is price: Pubbo at Free against Trombone Sight Reading's $12.99. Pubbo also leads on update cadence (every 2 weeks vs every 5 months). Trombone Sight Reading's advantage is iOS requirement (11.0 vs 15). On ads, in-app purchases and device support there is nothing between them.

Pubbo is free to download; Trombone Sight Reading costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trombone Sight Reading ships an update every 5 months, Pubbo every 2 weeks. The most recent releases landed on September 14, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Trombone Sight Reading | Pubbo |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/pubbo/id6747014876/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 94 MB | 139 MB |
| Requires iOS | **11.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Sokolov](https://appshunter.io/developer/1628122395) | [WhalesBot Technology (Shanghai) Co., Ltd.](https://appshunter.io/developer/1440552300) |

## What reviewers say

### Trombone Sight Reading

[App page](https://appshunter.io/ios/app/trombone-sight-reading/id6447474021)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pubbo

[App page](https://appshunter.io/ios/app/pubbo/id6747014876)

This app offers a playful environment for children to explore robots and coding through interactive challenges and drag-and-drop programming. It features engaging video courses, competitive online contests, and reward systems to encourage learning and skill development.

**Highlights:** Robot command and control, Interactive challenges and puzzles, Step-by-step video coding courses, Drag-and-drop coding interface, Online robot contests, Digital badges and rewards, Lucky spin for prizes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trombone Sight Reading free?

Trombone Sight Reading costs $12.99, with no in-app purchases.

### Is Pubbo free?

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

### Do Trombone Sight Reading or Pubbo have ads?

Neither Trombone Sight Reading nor Pubbo shows ads.

### Which is updated more often, Trombone Sight Reading or Pubbo?

Trombone Sight Reading ships an update every 5 months, and Pubbo every 2 weeks. Most recently, Trombone Sight Reading was updated on September 14, 2026 and Pubbo on September 16, 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.*