# MP3 Converter vs Case Tracker for USCISㅤ

The clearest difference is review sentiment: MP3 Converter at 60% against Case Tracker for USCISㅤ's 17%. MP3 Converter also leads on monetization model (freemium vs subscription) and ads (none vs shown). Case Tracker for USCISㅤ's advantage is rating (4.7 vs 4.4) and update cadence (every 10 days vs monthly). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. MP3 Converter sells 4 in-app purchases, starting at $5.99 per 7 days and Case Tracker for USCISㅤ sells 10 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Case Tracker for USCISㅤ holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 1.3K and 1.4K respectively. Written reviews complicate that: 60% of MP3 Converter's written reviews are positive against 17% of Case Tracker for USCISㅤ's, so the app with the better star average is not the one people write more warmly about.

MP3 Converter ships an update monthly, Case Tracker for USCISㅤ every 10 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | MP3 Converter | Case Tracker for USCISㅤ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (1.3K ratings)](https://appshunter.io/ios/app/mp3-converter-convert-to-mp3/id6469779530/reviews) | **[4.7 (1.4K ratings)](https://appshunter.io/ios/app/case-tracker-for-uscis/id6670608043/reviews)** |
| Number of ratings | 1.3K | **1.4K** |
| Positive reviews | **60.4% of reviews** | 17.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | **Freemium** | Subscription |
| Size | 33 MB | 196 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Francis Kouame](https://appshunter.io/developer/1677461200) | [Techno GYM Inc.](https://appshunter.io/developer/1791434895) |

## What reviewers say

### MP3 Converter

[App page](https://appshunter.io/ios/app/mp3-converter-convert-to-mp3/id6469779530)

Easily convert media files to a wide range of audio formats. Extract audio from videos and transfer files wirelessly. Offers advanced settings for audio customization.

**Highlights:** Convert to any audio format, Extract audio from video, Transfer audios via Wi-Fi, Import multiple files, Advanced audio settings

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $5.99 | per 7 days |
| Weekly Plan | $6.99 | per 7 days |
| Audio Converter Pro | $12.99 | per month |
| Forever Pro | $24.99 | one-time |


### Case Tracker for USCISㅤ

[App page](https://appshunter.io/ios/app/case-tracker-for-uscis/id6670608043)

This platform assists users with their immigration journey by tracking case statuses, providing visa and migration rule updates, and offering tools like a fee calculator and citizenship exam preparation. It also guides on I-94 forms and helps locate necessary offices.

**Highlights:** Track USCIS case status, Visa and migration rule updates, Fee calculator, Citizenship exam practice tests, I-94 form information, Find visa offices and medical centers

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Weekly | $5.99 | per 7 days |
| Weekly | $5.99 | per 7 days |
| Weekly | $6.99 | per 7 days |
| Monthly | $14.99 | per month |
| Yearly | $24.99 | per year |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |

**What reviewers like**

- 💖 Great app organization and updates
- 🙏 Helpful and useful application

**What reviewers complain about**

- 🚫 Doesn't work, unable to add cases
- 🤥 Provides false/inaccurate information
- 🚫 Doesn't support NVC cases
- 🤬 Dishonest and unethical practices

**Reported bugs**

- App resets fields without error messages
- Forced trial and rating before use

**Requested features**

- Support for NVC cases
- Accurate case status information


## Frequently asked questions

### Is MP3 Converter free?

MP3 Converter is free to download, with in-app purchases available.

### Is Case Tracker for USCISㅤ free?

Case Tracker for USCISㅤ is free to download, with in-app purchases available.

### Which has better reviews, MP3 Converter or Case Tracker for USCISㅤ?

Case Tracker for USCISㅤ is rated higher. MP3 Converter averages 4.4 out of 5 from 1.3K ratings, while Case Tracker for USCISㅤ averages 4.7 from 1.4K ratings.

### Do MP3 Converter or Case Tracker for USCISㅤ have ads?

Case Tracker for USCISㅤ shows ads; MP3 Converter does not.

### Which is updated more often, MP3 Converter or Case Tracker for USCISㅤ?

MP3 Converter ships an update monthly, and Case Tracker for USCISㅤ every 10 days. Most recently, MP3 Converter was updated on October 30, 2026 and Case Tracker for USCISㅤ on October 30, 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.*