# ChatLink vs Smart Drain Pro

The clearest difference is in-app purchases: Smart Drain Pro at none against ChatLink's 3. Smart Drain Pro also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). ChatLink's advantage is update cadence (monthly vs every 5 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. ChatLink sells 3 in-app purchases, starting at $0.99 per month. Smart Drain Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ChatLink against 5.0 for Smart Drain Pro. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

ChatLink ships an update monthly, Smart Drain Pro every 5 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ChatLink | Smart Drain Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/chatlink-direct-chat/id6584749785/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/smart-drain-pro/id6739188395/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 23 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Touch 4 Feel](https://appshunter.io/developer/530960372) | [David Sims](https://appshunter.io/developer/1709824648) |

## What reviewers say

### ChatLink

[App page](https://appshunter.io/ios/app/chatlink-direct-chat/id6584749785)

Initiate conversations on various messaging platforms without saving contacts. This tool streamlines communication for personal and business use, offering efficient customer service and sales outreach.

**Highlights:** One-Click Chats, Multiple Messaging Platforms, No Contact Saving Required, Efficient Customer Service, Streamlined Sales Communication, Privacy-Focused

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Weekly | $0.99 | per 7 days |
| Yearly | $4.95 | per year |


### Smart Drain Pro

[App page](https://appshunter.io/ios/app/smart-drain-pro/id6739188395)

Automate water heater valve operations with this Bluetooth-enabled scheduler. Set custom times and days for efficient residue removal and device management in residential and industrial settings.

**Highlights:** Bluetooth device control, Automated scheduling, Customizable day and time programming, Residue removal management, Remote device operation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChatLink free?

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

### Is Smart Drain Pro free?

Smart Drain Pro is free to download, with no in-app purchases.

### Which has better reviews, ChatLink or Smart Drain Pro?

ChatLink and Smart Drain Pro are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do ChatLink or Smart Drain Pro have ads?

Neither ChatLink nor Smart Drain Pro shows ads.

### Which is updated more often, ChatLink or Smart Drain Pro?

ChatLink ships an update monthly, and Smart Drain Pro every 5 months. Most recently, ChatLink was updated on October 14, 2026 and Smart Drain Pro on October 3, 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.*