# DecimalChat vs Smooth

The clearest difference is in-app purchases: DecimalChat at none against Smooth's 3. DecimalChat also leads on update cadence (every 5 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Smooth sells 3 in-app purchases, starting at $7.99 per 7 days. DecimalChat asks for nothing beyond the download.

DecimalChat ships an update every 5 days, Smooth every 7 months. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DecimalChat | Smooth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/smooth-ai-texting-and-replies/id6759337426/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 7 months |
| Monetization | — | Freemium |
| Size | 8 MB | 84 MB |
| Requires iOS | 17.5 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [DecimalMath](https://appshunter.io/developer/1709688020) | [Marcel Cruz](https://appshunter.io/developer/1872132462) |

## What reviewers say

### DecimalChat

[App page](https://appshunter.io/ios/app/decimalchat/id6736860787)

**In-app purchases:** none


### Smooth

[App page](https://appshunter.io/ios/app/smooth-ai-texting-and-replies/id6759337426)

This app helps you craft the perfect text message reply by analyzing conversation screenshots. Choose a tone and objective, and receive three instant, ready-to-send responses. It works across various messaging and dating platforms.

**Highlights:** AI-generated text replies, Screenshot analysis, Multiple tones (Casual, Flirty, Sharp), Works with any chat app, Privacy-focused, no data storage, Share extension for seamless use

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smooth Pro Weekly | $7.99 | per 7 days |
| Smooth Pro Monthly | $9.99 | per month |
| Smooth Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is DecimalChat free?

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

### Is Smooth free?

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

### Do DecimalChat or Smooth have ads?

Neither DecimalChat nor Smooth shows ads.

### Which is updated more often, DecimalChat or Smooth?

DecimalChat ships an update every 5 days, and Smooth every 7 months. Most recently, DecimalChat was updated on October 3, 2026 and Smooth on October 24, 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.*