# Lettie vs Gravity by Code Academy

The clearest difference is in-app purchases: Gravity by Code Academy at none against Lettie's 8. Gravity by Code Academy also leads on ads (none vs shown). Lettie's advantage is update cadence (daily vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lettie sells 8 in-app purchases, starting at $6.99 per month. Gravity by Code Academy asks for nothing beyond the download.

Lettie ships an update daily, Gravity by Code Academy fortnightly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Lettie | Gravity by Code Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lettie-penpals-and-letters/id6746454876/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 112 MB | 79 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [junhyeong kim](https://appshunter.io/developer/1773995986) | [CODE LLC](https://appshunter.io/developer/1307431848) |

## What reviewers say

### Lettie

[App page](https://appshunter.io/ios/app/lettie-penpals-and-letters/id6746454876)

Connect with people worldwide through a unique pen pal experience. Write letters that travel across the globe, with delivery times based on distance. Discover new friends, translate messages, and collect virtual stamps from different countries.

**Highlights:** Letters travel based on real-world distance, Discover and connect with new pen pals, In-app translation for over 70 languages, Customizable pixel character profiles, Collect virtual stamps from visited countries, Turn-based letter writing to encourage thoughtful replies

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lettie Plus Monthly | $6.99 | per month |
| Lettie Plus Yearly | $49.99 | per year |
| 30-gem | $1.99 | one-time |
| 60-gem | $3.99 | one-time |
| 100-gem | $5.99 | one-time |
| 200-gem | $11.99 | one-time |
| 500-gem | $24.99 | one-time |
| Lettie Plus Lifetime | $59.99 | one-time |


### Gravity by Code Academy

[App page](https://appshunter.io/ios/app/gravity-by-code-academy/id6755009331)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lettie free?

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

### Is Gravity by Code Academy free?

Gravity by Code Academy is free to download, with no in-app purchases.

### Do Lettie or Gravity by Code Academy have ads?

Lettie shows ads; Gravity by Code Academy does not.

### Which is updated more often, Lettie or Gravity by Code Academy?

Lettie ships an update daily, and Gravity by Code Academy fortnightly. Most recently, Lettie was updated on November 8, 2026 and Gravity by Code Academy on October 30, 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.*