# KEEP by Lovebox vs Letteringo

The clearest difference is in-app purchases: KEEP by Lovebox at none against Letteringo's 5. KEEP by Lovebox also leads on update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Letteringo sells 5 one-off in-app purchases. KEEP by Lovebox asks for nothing beyond the download.

KEEP by Lovebox ships an update every 3 days, Letteringo every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | KEEP by Lovebox | Letteringo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/letteringo/id6762132403/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 168 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LOVEBOX.LOVE](https://appshunter.io/developer/1154499749) | [ENVER AMIL](https://appshunter.io/developer/1873968406) |

## What reviewers say

### KEEP by Lovebox

[App page](https://appshunter.io/ios/app/keep-by-lovebox/id6758367733)

Send heartfelt messages, drawings, or stickers to loved ones via a connected keychain. This app offers a simple, screen-free way to maintain emotional connections, even from afar. It's designed for thoughtful, personal communication without the distractions of social media feeds.

**Highlights:** Send notes, drawings, and stickers, Receive messages on a connected keychain, Group messaging to multiple keychains, Simple and intuitive interface, Emotional connection across distances, E-ink display for a paper-like look

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

**In-app purchases:** none


### Letteringo

[App page](https://appshunter.io/ios/app/letteringo/id6762132403)

Experience the joy of traditional letter writing in a digital format. Craft handwritten notes with customizable paper and ink, send them anonymously to strangers, or find pen pals to exchange messages with. Collect virtual stamps from around the world as you build your correspondence history.

**Highlights:** Handwritten letter writing with custom fonts and paper, Anonymous 'letter in a bottle' feature, Find and connect with pen pals, Collect virtual stamps from different countries, Personalize home screen and writing elements, Multi-language support with translation, Securely archive and re-read correspondence

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instant Delivery | $0.99 | one-time |
| 1 Extra Pickup | $0.99 | one-time |
| Extra Delivery | $0.99 | one-time |
| 5 Extra Pickups | $3.99 | one-time |
| 3 Extra Bottle Sends | $3.99 | one-time |


## Frequently asked questions

### Is KEEP by Lovebox free?

KEEP by Lovebox is free to download, with no in-app purchases.

### Is Letteringo free?

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

### Do KEEP by Lovebox or Letteringo have ads?

Neither KEEP by Lovebox nor Letteringo shows ads.

### Which is updated more often, KEEP by Lovebox or Letteringo?

KEEP by Lovebox ships an update every 3 days, and Letteringo every 3 weeks. Most recently, KEEP by Lovebox was updated on November 7, 2026 and Letteringo on November 5, 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.*