# Night Letter vs 아우라 Aura

The clearest difference is in-app purchases: 아우라 Aura at none against Night Letter's 6. 아우라 Aura also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). Night Letter's advantage is update cadence (every 3 days vs fortnightly). On price and device support there is nothing between them.

Both are free to download. Night Letter sells 6 in-app purchases, starting at $5.99 per month. 아우라 Aura asks for nothing beyond the download.

Night Letter ships an update every 3 days, 아우라 Aura fortnightly. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Night Letter | 아우라 Aura |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 63 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Isu Kim](https://appshunter.io/developer/1533043341) | [Won Gun Lee](https://appshunter.io/developer/1747289112) |

## What reviewers say

### Night Letter

[App page](https://appshunter.io/ios/app/night-letter/id6761368883)

Express unspoken words to those you miss. Receive comforting replies crafted from their remembered personality and shared memories. Experience the joy of analog waiting and a familiar voice delivering heartfelt messages.

**Highlights:** AI-generated replies based on personality, Incorporate personal memory keywords, Analog waiting experience (approx. 1 hour reply time), Voice playback of replies (Premium/Signature), Customizable recipient profiles

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | per month |
| Signature | $14.99 | per month |
| 2 Stamps | $1.00 | one-time |
| 5 Stamps | $2.99 | one-time |
| 12 Stamps | $4.99 | one-time |
| 40 Stamps | $39.99 | one-time |


### 아우라 Aura

[App page](https://appshunter.io/ios/app/aura/id6770964424)

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

**In-app purchases:** none


## Frequently asked questions

### Is Night Letter free?

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

### Is 아우라 Aura free?

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

### Do Night Letter or 아우라 Aura have ads?

Night Letter shows ads; 아우라 Aura does not.

### Which is updated more often, Night Letter or 아우라 Aura?

Night Letter ships an update every 3 days, and 아우라 Aura fortnightly. Most recently, Night Letter was updated on October 31, 2026 and 아우라 Aura on October 28, 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.*