# WELT vs ChatModel

The clearest difference is in-app purchases: WELT at none against ChatModel's 3. ChatModel's advantage is update cadence (monthly vs every 17 months) and iOS requirement (14.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. ChatModel sells 3 in-app purchases, starting at $3.99 per 7 days. WELT asks for nothing beyond the download.

WELT ships an update every 17 months, ChatModel monthly. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | WELT | ChatModel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Monthly** |
| Size | 1 MB | 15 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Nikolay Nikitin](https://appshunter.io/developer/1519639177) | [Qijie Information](https://appshunter.io/developer/1717060398) |

## What reviewers say

### WELT

[App page](https://appshunter.io/ios/app/welt-010/id1519638845)

**In-app purchases:** none


### ChatModel

[App page](https://appshunter.io/ios/app/chatmodel-multiple-models/id6479516706)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plus | $3.99 | per 7 days |
| Monthly Plus | $12.99 | per month |
| Annual Plus | $119.00 | per year |


## Frequently asked questions

### Is WELT free?

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

### Is ChatModel free?

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

### Do WELT or ChatModel have ads?

Neither WELT nor ChatModel shows ads.

### Which is updated more often, WELT or ChatModel?

WELT ships an update every 17 months, and ChatModel monthly. Most recently, WELT was updated on October 9, 2026 and ChatModel on October 11, 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.*