# MEMO Research vs Thai Character Random Trainer

The clearest difference is in-app purchases: MEMO Research at none against Thai Character Random Trainer's 1. MEMO Research also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Thai Character Random Trainer's advantage is update cadence (every 2 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Thai Character Random Trainer sells 1 one-off in-app purchase. MEMO Research asks for nothing beyond the download.

MEMO Research ships an update every 4 months, Thai Character Random Trainer every 2 weeks. The most recent releases landed on September 13, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MEMO Research | Thai Character Random Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 54 MB | 79 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TLD ENTERPRISES PTY LTD](https://appshunter.io/developer/1454733702) | [SHOHEI NATORI](https://appshunter.io/developer/1896016874) |

## What reviewers say

### MEMO Research

[App page](https://appshunter.io/ios/app/memo-research/id1561464034)

**In-app purchases:** none


### Thai Character Random Trainer

[App page](https://appshunter.io/ios/app/thai-character-random-trainer/id6765631591)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase Premium | $2.99 | one-time |


## Frequently asked questions

### Is MEMO Research free?

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

### Is Thai Character Random Trainer free?

Thai Character Random Trainer is free to download, with in-app purchases available.

### Do MEMO Research or Thai Character Random Trainer have ads?

Thai Character Random Trainer shows ads; MEMO Research does not.

### Which is updated more often, MEMO Research or Thai Character Random Trainer?

MEMO Research ships an update every 4 months, and Thai Character Random Trainer every 2 weeks. Most recently, MEMO Research was updated on September 13, 2026 and Thai Character Random Trainer on October 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.*