# Panels vs Letter²

The clearest difference is price: Panels at Free against Letter²'s $0.99. Panels also leads on review sentiment (75% vs 58%). Letter²'s advantage is ads (none vs shown) and update cadence (every 2 months vs every 20 months). On in-app purchases and device support there is nothing between them.

Panels is free to download; Letter² costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Panels ships an update every 20 months, Letter² every 2 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Panels | Letter² |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[3.7 (18 ratings)](https://appshunter.io/ios/app/letter/id1282896869/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | **75.0% of reviews** | 57.9% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | **Ad-supported** | Paid |
| Best chart rank | — | **#101** |
| Size | 5 MB | 9 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TATSUYA MONOI](https://appshunter.io/developer/1079433667) | [Philipp Stollenmayer](https://appshunter.io/developer/580506869) |

## What reviewers say

### Panels

[App page](https://appshunter.io/ios/app/panels/id1079433668)

Test your memory with this colorful and cute game. Memorize the sequence of illuminated panels and then tap them in the correct order to advance through stages featuring animal motifs. See if you can master all the levels.

**Highlights:** Memorize panel order, Tap correct panels, Colorful animal stages, Progressive difficulty, Cute visual design

**Features:** macOS Compatibility

**In-app purchases:** none


### Letter²

[App page](https://appshunter.io/ios/app/letter/id1282896869)

**Currently charting:** #101 Top Paid · Word (US App Store)

A word puzzle game where players place letters to form words and clear the game field. Compete with others globally and unlock new content as you play.

**Highlights:** Place letters to form words, Clear the game field, Multiplayer mode, Global rankings, Unlockable content

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

**In-app purchases:** none


## Frequently asked questions

### Is Panels free?

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

### Is Letter² free?

Letter² costs $0.99, with no in-app purchases.

### Do Panels or Letter² have ads?

Panels shows ads; Letter² does not.

### Which is updated more often, Panels or Letter²?

Panels ships an update every 20 months, and Letter² every 2 months. Most recently, Panels was updated on October 15, 2026 and Letter² on October 14, 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.*