# คำไวพจน์ vs UPBRAiN

The clearest difference is update cadence: UPBRAiN at monthly against คำไวพจน์'s every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

คำไวพจน์ ships an update every 8 months, UPBRAiN monthly. The most recent releases landed on May 17, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | คำไวพจน์ | UPBRAiN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Size | 38 MB | 220 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kittipong Intaboot](https://appshunter.io/developer/972195994) | [Jamorn Anantariyakul](https://appshunter.io/developer/1481815522) |

## What reviewers say

### คำไวพจน์

[App page](https://appshunter.io/ios/app/id978927670)

**Features:** macOS Compatibility

**In-app purchases:** none


### UPBRAiN

[App page](https://appshunter.io/ios/app/upbrain/id1604532613)

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

**In-app purchases:** none


## Frequently asked questions

### Is คำไวพจน์ free?

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

### Is UPBRAiN free?

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

### Do คำไวพจน์ or UPBRAiN have ads?

Neither คำไวพจน์ nor UPBRAiN shows ads.

### Which is updated more often, คำไวพจน์ or UPBRAiN?

คำไวพจน์ ships an update every 8 months, and UPBRAiN monthly. Most recently, คำไวพจน์ was updated on May 17, 2026 and UPBRAiN on August 23, 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.*