# Vow Prep vs Chatch

The clearest difference is update cadence: Chatch at every 3 days against Vow Prep's every 3 weeks. Chatch also leads on iOS requirement (16.4 vs 18.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Vow Prep sells 1 one-off in-app purchase and Chatch sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Vow Prep against 5.0 for Chatch. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Vow Prep ships an update every 3 weeks, Chatch every 3 days. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Vow Prep | Chatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/vow-prep-before-you-commit/id6793473280/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/chatch-ai-reply-keyboard/id6797310266/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 85 MB | 85 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Thanh My DUONG](https://appshunter.io/developer/1882647935) | [Louis Derrien](https://appshunter.io/developer/1801757721) |

## What reviewers say

### Vow Prep

[App page](https://appshunter.io/ios/app/vow-prep-before-you-commit/id6793473280)

This app helps couples about to commit to a life together have essential conversations about their future. It offers guided discussions across various life topics, allowing partners to answer privately and then compare responses to foster open communication.

**Highlights:** Guided conversation cards, 9 topic decks, Private answering, Side-by-side answer comparison, One-time purchase, No subscription required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vow Prep Premium | $6.99 | one-time |


### Chatch

[App page](https://appshunter.io/ios/app/chatch-ai-reply-keyboard/id6797310266)

This AI-powered keyboard helps you craft natural and engaging replies for your conversations. Get suggestions for playful questions, funny twists, or flirty messages to keep the chat flowing. Choose your desired tone and get AI-driven advice for various social situations.

**Highlights:** AI-generated reply suggestions, Context-aware responses, Customizable tone (funny, flirty, confident), AI wingman for conversation advice, Multi-language support, Keyboard integration

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chatch Pro - Weekly | $4.99 | per 7 days |
| Chatch Pro - Weekly | $8.99 | per 7 days |
| Chatch Pro - Monthly | $17.99 | per month |
| Chatch Pro - Monthly | $22.99 | per month |
| Chatch Pro - 6 Months | $44.99 | per 6 months |


## Frequently asked questions

### Is Vow Prep free?

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

### Is Chatch free?

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

### Which has better reviews, Vow Prep or Chatch?

Vow Prep and Chatch are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Vow Prep or Chatch have ads?

Neither Vow Prep nor Chatch shows ads.

### Which is updated more often, Vow Prep or Chatch?

Vow Prep ships an update every 3 weeks, and Chatch every 3 days. Most recently, Vow Prep was updated on October 31, 2026 and Chatch on November 10, 2026.

---

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