# Replyce vs Letterly AI

The clearest difference is in-app purchases: Letterly AI at none against Replyce's 2. Replyce's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Replyce sells 2 in-app purchases, starting at $4.99 per month. Letterly AI asks for nothing beyond the download.

Replyce ships an update every 3 weeks, Letterly AI every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Replyce | Letterly AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 24 MB | 20 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arda Ersoy](https://appshunter.io/developer/1706494581) | [Ying Liu](https://appshunter.io/developer/6789572054) |

## What reviewers say

### Replyce

[App page](https://appshunter.io/ios/app/replyce-ai-reply-generator/id6762402236)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Replyce Pro Monthly | $4.99 | per month |
| Replyce Pro Yearly | $29.99 | per year |


### Letterly AI

[App page](https://appshunter.io/ios/app/letterly-ai/id6789572052)

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

**In-app purchases:** none


## Frequently asked questions

### Is Replyce free?

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

### Is Letterly AI free?

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

### Do Replyce or Letterly AI have ads?

Neither Replyce nor Letterly AI shows ads.

### Which is updated more often, Replyce or Letterly AI?

Replyce ships an update every 3 weeks, and Letterly AI every 2 months. Most recently, Replyce was updated on October 24, 2026 and Letterly AI on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*