# Duul vs ChatMBTI

The clearest difference is update cadence: Duul at every 2 weeks against ChatMBTI's every 2 months. ChatMBTI's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Duul sells 6 one-off in-app purchases and ChatMBTI sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Duul ships an update every 2 weeks, ChatMBTI every 2 months. The most recent releases landed on September 9, 2026 and July 28, 2026 respectively.

## The numbers

| Metric | Duul | ChatMBTI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/duul/id1671490295/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 51 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bayarsaikhan Bayasgalan](https://appshunter.io/developer/1648419447) | [Mohammad Hisham](https://appshunter.io/developer/1835033943) |

## What reviewers say

### Duul

[App page](https://appshunter.io/ios/app/duul/id1671490295)

Access a vast library of Mongolian karaoke songs on your phone or tablet. Enjoy offline playback, original backing tracks, and support for artists. Sing along with lyrics in traditional Mongolian script.

**Highlights:** Extensive Mongolian song library, Offline playback available, Original backing tracks, Traditional Mongolian script lyrics, Artist revenue sharing, Control original vocals

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 day subscription | $0.99 | one-time |
| 1 month subscription | $1.99 | one-time |
| 7 days subscription | $2.99 | one-time |
| 1 month subscription | $6.99 | one-time |
| 3 month subscription | $12.99 | one-time |
| 6 month subscription | $19.99 | one-time |


### ChatMBTI

[App page](https://appshunter.io/ios/app/chatmbti/id6757331968)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatMBTI Pro | $2.99 | per 7 days |
| ChatMBTI Pro | $9.99 | per month |
| ChatMBTI Pro | $49.99 | per year |


## Frequently asked questions

### Is Duul free?

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

### Is ChatMBTI free?

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

### Do Duul or ChatMBTI have ads?

Neither Duul nor ChatMBTI shows ads.

### Which is updated more often, Duul or ChatMBTI?

Duul ships an update every 2 weeks, and ChatMBTI every 2 months. Most recently, Duul was updated on September 9, 2026 and ChatMBTI on July 28, 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.*