# 競馬で100万円！ vs UMAI

The clearest difference is review sentiment: 競馬で100万円！ at 67% against UMAI's 33%. UMAI's advantage is update cadence (every 3 weeks vs every 8 months) and monetization model (ad-supported vs free with in-app purchases). 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.

競馬で100万円！ ships an update every 8 months, UMAI every 3 weeks. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 競馬で100万円！ | UMAI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 14 MB | 29 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [ROOTS LTD.](https://appshunter.io/developer/1710526388) | [Takeshi Watanabe](https://appshunter.io/developer/1602925258) |

## What reviewers say

### 競馬で100万円！

[App page](https://appshunter.io/ios/app/100/id1220334497)

This app provides curated horse racing information and predictions to help users profit. It features expert picks, race analysis, and user reviews to guide betting decisions. Ideal for both beginners and experienced bettors looking to increase their winnings.

**Highlights:** Curated horse racing information, Expert race predictions, User reviews and ratings, Analysis of major races (G1, G2, G3), Tips for beginners, Information on profitable betting sites

**Features:** macOS Compatibility

**In-app purchases:** none


### UMAI

[App page](https://appshunter.io/ios/app/umai-ai/id1602925256)

This app provides free AI-powered horse racing predictions for all central and local races. It features an improved UI for faster loading and displays AI confidence levels, key race indicators, and past results. Users can also access race entry information directly within the app.

**Highlights:** Free AI race predictions, Central and local race coverage, Improved UI/UX, AI confidence indicators, Race entry information, Latest winning information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 競馬で100万円！ free?

競馬で100万円！ is free to download, with no in-app purchases.

### Is UMAI free?

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

### Do 競馬で100万円！ or UMAI have ads?

Both 競馬で100万円！ and UMAI show ads.

### Which is updated more often, 競馬で100万円！ or UMAI?

競馬で100万円！ ships an update every 8 months, and UMAI every 3 weeks. Most recently, 競馬で100万円！ was updated on October 23, 2026 and UMAI on October 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*