# Solid Line vs Letter Out

Solid Line and Letter Out are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Solid Line ships an update every 3 weeks, Letter Out fortnightly. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Solid Line | Letter Out |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/solid-line/id6759250904/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 190 MB | 199 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [DK Bilgi Teknolojileri](https://appshunter.io/developer/1510149782) | [Samet Ersan](https://appshunter.io/developer/1554084187) |

## What reviewers say

### Solid Line

[App page](https://appshunter.io/ios/app/solid-line/id6759250904)

Arrange cards by color and sequence to clear the game board. A simple yet engaging puzzle experience.

**Highlights:** Card stacking gameplay, Color matching, Sequence ordering, Board clearing mechanics, Puzzle solving

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

**In-app purchases:** none


### Letter Out

[App page](https://appshunter.io/ios/app/letter-out/id6762191704)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solid Line free?

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

### Is Letter Out free?

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

### Do Solid Line or Letter Out have ads?

Both Solid Line and Letter Out show ads.

### Which is updated more often, Solid Line or Letter Out?

Solid Line ships an update every 3 weeks, and Letter Out fortnightly. Most recently, Solid Line was updated on October 20, 2026 and Letter Out on October 6, 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.*