# DrainMaster Plus vs IsiChat

The clearest difference is in-app purchases: IsiChat at none against DrainMaster Plus's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DrainMaster Plus sells 5 in-app purchases, starting at $3.99 per month. IsiChat asks for nothing beyond the download.

DrainMaster Plus ships an update every 2 weeks, IsiChat weekly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | DrainMaster Plus | IsiChat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 82 MB | 61 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [kobosil.me Development](https://appshunter.io/developer/951054288) | [Klaus Gutsch](https://appshunter.io/developer/1525467984) |

## What reviewers say

### DrainMaster Plus

[App page](https://appshunter.io/ios/app/drainmaster-plus-ec-and-ph/id6752567739)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DrainMaster Cloud Monthly | $3.99 | per month |
| 50 Credits | $1.99 | one-time |
| 150 Coins | $3.99 | one-time |
| 400 Coins | $8.99 | one-time |
| 1000 Coins | $17.99 | one-time |


### IsiChat

[App page](https://appshunter.io/ios/app/isichat/id6753902574)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DrainMaster Plus free?

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

### Is IsiChat free?

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

### Do DrainMaster Plus or IsiChat have ads?

Neither DrainMaster Plus nor IsiChat shows ads.

### Which is updated more often, DrainMaster Plus or IsiChat?

DrainMaster Plus ships an update every 2 weeks, and IsiChat weekly. Most recently, DrainMaster Plus was updated on October 30, 2026 and IsiChat on November 9, 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.*