# Xtranslator vs Spectrum Analyzer+ Audio FFT

The clearest difference is ads: Xtranslator at none against Spectrum Analyzer+ Audio FFT's shown. Xtranslator also leads on monetization model (free vs ad-supported) and iOS requirement (9.0 vs 17.0). Spectrum Analyzer+ Audio FFT's advantage is update cadence (weekly vs every 3 weeks). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 2.3 for Xtranslator against 2.3 for Spectrum Analyzer+ Audio FFT. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Xtranslator ships an update every 3 weeks, Spectrum Analyzer+ Audio FFT weekly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Xtranslator | Spectrum Analyzer+ Audio FFT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/xtranslator/id1431449687/reviews) | [2.3 (3 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-plus-audio-fft/id6760830858/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 80 MB | 69 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [iTing Technology(Shenzhen) Co., Ltd](https://appshunter.io/developer/1645069867) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### Xtranslator

[App page](https://appshunter.io/ios/app/xtranslator/id1431449687)

This real-time translation app assists travelers, those communicating with international friends, and language learners. It offers one-tap voice translation, supports 40 languages, and includes common phrases for learning. Enjoy extended battery life and global server access.

**Highlights:** One-tap voice translation, Supports 40 languages, Common phrase learning, Long battery life, Global server network

**Features:** macOS Compatibility

**In-app purchases:** none


### Spectrum Analyzer+ Audio FFT

[App page](https://appshunter.io/ios/app/spectrum-analyzer-plus-audio-fft/id6760830858)

This utility transforms your device into a real-time audio frequency analyzer. It visualizes sound frequencies from 20 Hz to 20 kHz using the microphone, displaying amplitude and peak frequencies. It's designed for musicians, audio engineers, and sound enthusiasts.

**Highlights:** Real-time FFT audio spectrum visualization, Frequency range 20 Hz to 20 kHz, Peak frequency detection, Average dB level per band, Adjustable dB range, Dark theme

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

**In-app purchases:** none


## Frequently asked questions

### Is Xtranslator free?

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

### Is Spectrum Analyzer+ Audio FFT free?

Spectrum Analyzer+ Audio FFT is free to download, with no in-app purchases.

### Which has better reviews, Xtranslator or Spectrum Analyzer+ Audio FFT?

Xtranslator and Spectrum Analyzer+ Audio FFT are both rated 2.3 out of 5 on the App Store, from 3 and 3 ratings respectively.

### Do Xtranslator or Spectrum Analyzer+ Audio FFT have ads?

Spectrum Analyzer+ Audio FFT shows ads; Xtranslator does not.

### Which is updated more often, Xtranslator or Spectrum Analyzer+ Audio FFT?

Xtranslator ships an update every 3 weeks, and Spectrum Analyzer+ Audio FFT weekly. Most recently, Xtranslator was updated on October 20, 2026 and Spectrum Analyzer+ Audio FFT 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.*