# Heard It All vs Key Lens

The clearest difference is update cadence: Heard It All at every 8 days against Key Lens's every 6 weeks. Key Lens's advantage is iOS requirement (16.4 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Heard It All sells 1 one-off in-app purchase and Key Lens sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Heard It All ships an update every 8 days, Key Lens every 6 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Heard It All | Key Lens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (21 ratings)](https://appshunter.io/ios/app/heard-it-all/id6746056385/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 118 MB | 58 MB |
| Requires iOS | 18.2 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Brian Simmons](https://appshunter.io/developer/1810892390) | [Alex Amayo](https://appshunter.io/developer/1835625743) |

## What reviewers say

### Heard It All

[App page](https://appshunter.io/ios/app/heard-it-all/id6746056385)

Explore every Billboard Hot 100 #1 song from 1958 to the present. Discover detailed song information, artist images, and artwork. Listen to tracks on your preferred music platform and earn fun badges for your musical journey.

**Highlights:** Track all Billboard Hot 100 #1 songs, Detailed song information including artist/album art, Listen on Apple Music, Spotify, Amazon Music, YouTube, Earn unlockable badges and achievements, Random song discovery feature, Powerful search and filtering by decade, artist, genre

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Heard Marks | $4.99 | one-time |

**What reviewers like**

- 🎶 Great fun and informational
- 🕰️ Time machine jukebox
- 🎵 Fun way to test music knowledge
- 🎧 Amazing resource for music lovers
- 🎶 Surprisingly addictive


### Key Lens

[App page](https://appshunter.io/ios/app/key-lens/id6761850903)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Midi Output | $9.99 | one-time |


## Frequently asked questions

### Is Heard It All free?

Heard It All is free to download, with in-app purchases available.

### Is Key Lens free?

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

### Do Heard It All or Key Lens have ads?

Neither Heard It All nor Key Lens shows ads.

### Which is updated more often, Heard It All or Key Lens?

Heard It All ships an update every 8 days, and Key Lens every 6 weeks. Most recently, Heard It All was updated on November 8, 2026 and Key Lens 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.*