# Letter² vs Erudition

The clearest difference is rating: Erudition at 4.4 against Letter²'s 3.7. Erudition also leads on review sentiment (88% vs 58%) and update cadence (every 3 weeks vs every 2 months). Letter²'s advantage is device support (3 vs 1) and iOS requirement (8.0 vs 26.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Letter² costs $0.99 and Erudition $1.00 up front. Neither carries in-app purchases, so what you see is what you pay.

Erudition holds the better App Store score, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 18 and 8 respectively. Written reviews point the same way: 58% of Letter²'s written reviews are positive against 88% of Erudition's.

Letter² ships an update every 2 months, Erudition every 3 weeks. The most recent releases landed on October 14, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Letter² | Erudition |
| --- | --- | --- |
| Price | **$0.99** | $1.00 |
| Rating | [3.7 (18 ratings)](https://appshunter.io/ios/app/letter/id1282896869/reviews) | **[4.4 (8 ratings)](https://appshunter.io/ios/app/erudition/id1628895551/reviews)** |
| Number of ratings | **18** | 8 |
| Positive reviews | 57.9% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | **#95** | #187 |
| Size | 9 MB | 99 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Philipp Stollenmayer](https://appshunter.io/developer/580506869) | [Michael Hungate](https://appshunter.io/developer/1624423811) |

## What reviewers say

### Letter²

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

**Currently charting:** #95 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


### Erudition

[App page](https://appshunter.io/ios/app/erudition/id1628895551)

**Currently charting:** #187 Top Paid · Word (US App Store)

Daily word, number, and math equation puzzles to exercise your brain. Features multiple language options for word games and adjustable difficulty for number and math challenges. Play offline and track your progress.

**Highlights:** 27 daily word, number, and math games, Offline play supported, Multiple language word options, Hints and definitions provided, Tracks game statistics, Allows late completion of missed days

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Letter² free?

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

### Is Erudition free?

Erudition costs $1.00, with no in-app purchases.

### Which has better reviews, Letter² or Erudition?

Erudition is rated higher. Letter² averages 3.7 out of 5 from 18 ratings, while Erudition averages 4.4 from 8 ratings.

### Do Letter² or Erudition have ads?

Neither Letter² nor Erudition shows ads.

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

Letter² ships an update every 2 months, and Erudition every 3 weeks. Most recently, Letter² was updated on October 14, 2026 and Erudition on October 23, 2026.

### Which is more popular, Letter² or Erudition?

Letter² currently peaks at #95 in the App Store charts, and Erudition at #187. Chart position reflects recent download velocity rather than total install base.

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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.*