# Trombone Level vs READY73

The clearest difference is ads: READY73 at none against Trombone Level's shown. READY73 also leads on update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Trombone Level ships an update every 2 weeks, READY73 every 2 days. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Trombone Level | READY73 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (203 ratings)](https://appshunter.io/ios/app/ready73/id6758023504/reviews)** |
| Number of ratings | — | **203** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 40 MB | 4 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Nicolas Gullung](https://appshunter.io/developer/1870378252) |

## What reviewers say

### Trombone Level

[App page](https://appshunter.io/ios/app/trombone-level/id6748576970)

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

**In-app purchases:** none


### READY73

[App page](https://appshunter.io/ios/app/ready73/id6758023504)

Control your e-bike's ride modes, pedal assist, and lights remotely via Bluetooth. Features auto-sync, auto-light, and multi-bike support. Works offline and requires no account.

**Highlights:** Adjust ride modes and pedal assist, Remotely toggle headlights, Automatic light activation based on sunset/sunrise, Automatic bike configuration on approach, Manage multiple e-bikes, Offline functionality

**In-app purchases:** none


## Frequently asked questions

### Is Trombone Level free?

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

### Is READY73 free?

READY73 is free to download, with no in-app purchases.

### Do Trombone Level or READY73 have ads?

Trombone Level shows ads; READY73 does not.

### Which is updated more often, Trombone Level or READY73?

Trombone Level ships an update every 2 weeks, and READY73 every 2 days. Most recently, Trombone Level was updated on November 5, 2026 and READY73 on November 9, 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.*