# 리드아이 GPS vs Just Lotto

The clearest difference is ads: 리드아이 GPS at none against Just Lotto's shown. 리드아이 GPS also leads on update cadence (every 3 days vs weekly) and iOS requirement (10.0 vs 15.0). On price, 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.

리드아이 GPS ships an update every 3 days, Just Lotto weekly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 리드아이 GPS | Just Lotto |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Size | 2 MB | 29 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hyosung Company Corporation](https://appshunter.io/developer/1515426253) | [Young Soo Park](https://appshunter.io/developer/1677257637) |

## What reviewers say

### 리드아이 GPS

[App page](https://appshunter.io/ios/app/gps/id1516999064)

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

**In-app purchases:** none


### Just Lotto

[App page](https://appshunter.io/ios/app/just-lotto/id6446807078)

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

**In-app purchases:** none


## Frequently asked questions

### Is 리드아이 GPS free?

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

### Is Just Lotto free?

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

### Do 리드아이 GPS or Just Lotto have ads?

Just Lotto shows ads; 리드아이 GPS does not.

### Which is updated more often, 리드아이 GPS or Just Lotto?

리드아이 GPS ships an update every 3 days, and Just Lotto weekly. Most recently, 리드아이 GPS was updated on October 10, 2026 and Just Lotto on October 25, 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.*