# FUKUDA vs Luckysmart Sonar

The clearest difference is update cadence: Luckysmart Sonar at every 15 months against FUKUDA's every 38 months. FUKUDA's advantage is iOS requirement (9.0 vs 13.0). 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.

FUKUDA ships an update every 38 months, Luckysmart Sonar every 15 months. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | FUKUDA | Luckysmart Sonar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 15 months** |
| Size | 5 MB | 51 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国强 张](https://appshunter.io/developer/1151273698) | [天喜 胡](https://appshunter.io/developer/1535746096) |

## What reviewers say

### FUKUDA

[App page](https://appshunter.io/ios/app/fukuda/id1438868551)

**Features:** macOS Compatibility

**In-app purchases:** none


### Luckysmart Sonar

[App page](https://appshunter.io/ios/app/luckysmart-sonar/id1564200878)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FUKUDA free?

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

### Is Luckysmart Sonar free?

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

### Do FUKUDA or Luckysmart Sonar have ads?

Neither FUKUDA nor Luckysmart Sonar shows ads.

### Which is updated more often, FUKUDA or Luckysmart Sonar?

FUKUDA ships an update every 38 months, and Luckysmart Sonar every 15 months. Most recently, FUKUDA was updated on October 11, 2026 and Luckysmart Sonar on October 15, 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.*