# Uuu vs リアルタクシーメーター

The clearest difference is price: リアルタクシーメーター at Free against Uuu's $1.99. リアルタクシーメーター also leads on update cadence (every 3 weeks vs every 95 months). Uuu's advantage is iOS requirement (12.0 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

リアルタクシーメーター is free to download; Uuu costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Uuu ships an update every 95 months, リアルタクシーメーター every 3 weeks. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Uuu | リアルタクシーメーター |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 95 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 24 MB | 47 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kaji Takatsugu](https://appshunter.io/developer/465688467) | [Taxi-Board Studio](https://appshunter.io/developer/6783361635) |

## What reviewers say

### Uuu

[App page](https://appshunter.io/ios/app/uuu/id1154032477)

This app simulates Japanese patrol car sirens and lights. It features pre-recorded siren sounds, the ability to record and play back custom audio, and a flashing light effect. It does not include a siren amplifier function.

**Highlights:** Pre-recorded siren sounds, Custom audio recording and playback, Flashing light effect, Simulates patrol car sirens, Record up to 5 channels of audio

**Features:** macOS Compatibility

**In-app purchases:** none


### リアルタクシーメーター

[App page](https://appshunter.io/ios/app/id6797031117)

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

**In-app purchases:** none


## Frequently asked questions

### Is Uuu free?

Uuu costs $1.99, with no in-app purchases.

### Is リアルタクシーメーター free?

リアルタクシーメーター is free to download, with no in-app purchases.

### Do Uuu or リアルタクシーメーター have ads?

Neither Uuu nor リアルタクシーメーター shows ads.

### Which is updated more often, Uuu or リアルタクシーメーター?

Uuu ships an update every 95 months, and リアルタクシーメーター every 3 weeks. Most recently, Uuu was updated on November 11, 2026 and リアルタクシーメーター on October 31, 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.*