# Spine Sonnet vs K101.9

The clearest difference is rating: K101.9 at 5.0 against Spine Sonnet's 4.2. K101.9 also leads on update cadence (every 2 months vs every 41 months). Spine Sonnet's advantage is iOS requirement (9.0 vs 16.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

K101.9 holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

Spine Sonnet ships an update every 41 months, K101.9 every 2 months. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Spine Sonnet | K101.9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (6 ratings)](https://appshunter.io/ios/app/spine-sonnet/id422871445/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/k1019/id1548978502/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 6 MB | 75 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [jody zellen](https://appshunter.io/developer/422871450) | [RadioFX](https://appshunter.io/developer/1164649564) |

## What reviewers say

### Spine Sonnet

[App page](https://appshunter.io/ios/app/spine-sonnet/id422871445)

This app automatically generates 14-line sonnets using titles from a large archive of art and architectural theory books. It creates unique poems in the style of found poetry.

**Highlights:** Automatic sonnet generation, Found poetry style, Archive of 2500+ book titles, Art and architectural theory focus, 14-line sonnets

**Features:** macOS Compatibility

**In-app purchases:** none


### K101.9

[App page](https://appshunter.io/ios/app/k1019/id1548978502)

Stream live radio content, including music, sports, and talk shows, from anywhere in the world. Engage in real-time conversations with DJs and fellow listeners, and stay updated on station events with interactive schedules and alerts.

**Highlights:** Worldwide live radio streaming, Real-time DJ and listener chat, Song information display, Social media feed access, Interactive event schedule with alerts

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

**In-app purchases:** none


## Frequently asked questions

### Is Spine Sonnet free?

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

### Is K101.9 free?

K101.9 is free to download, with no in-app purchases.

### Which has better reviews, Spine Sonnet or K101.9?

K101.9 is rated higher. Spine Sonnet averages 4.2 out of 5 from 6 ratings, while K101.9 averages 5.0 from 3 ratings.

### Do Spine Sonnet or K101.9 have ads?

Neither Spine Sonnet nor K101.9 shows ads.

### Which is updated more often, Spine Sonnet or K101.9?

Spine Sonnet ships an update every 41 months, and K101.9 every 2 months. Most recently, Spine Sonnet was updated on October 21, 2026 and K101.9 on October 20, 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.*