# OptiListen vs JSON Tools

The clearest difference is rating: OptiListen at 5.0 against JSON Tools's 2.7. OptiListen also leads on ads (none vs shown) and monetization model (free vs ad-supported). JSON Tools's advantage is ratings volume (12 vs 3). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

OptiListen holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 3 and 12 respectively.

## The numbers

| Metric | OptiListen | JSON Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/optilisten/id1593948410/reviews)** | [2.7 (12 ratings)](https://appshunter.io/ios/app/json-tools-xlsx-csv-to-json/id6737545066/reviews) |
| Number of ratings | 3 | **12** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | — |
| Monetization | **Free** | Ad-supported |
| Size | 19 MB | 39 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christian Crumlish](https://appshunter.io/developer/1593948412) | [Muhammad Awais Younas](https://appshunter.io/developer/1771187232) |

## What reviewers say

### OptiListen

[App page](https://appshunter.io/ios/app/optilisten/id1593948410)

Enhance your listening abilities with this straightforward application. Track your progress during audio or video calls and build your skills over time. It's designed for anyone looking to improve their active listening.

**Highlights:** Set listening goals, Track session results, Build listening skills, Use with audio/video calls, Local data storage

**Features:** macOS Compatibility

**In-app purchases:** none


### JSON Tools

[App page](https://appshunter.io/ios/app/json-tools-xlsx-csv-to-json/id6737545066)

This app transforms data between various formats like XLSX, CSV, XML, and JSON. It offers conversion, validation, viewing, and optimization tools for efficient data management.

**Highlights:** XLSX to JSON conversion, CSV to JSON conversion, XML to JSON conversion, JSON to CSV, XML, XLSX conversion, JSON validation, JSON minification, JSON viewing

**In-app purchases:** none


## Frequently asked questions

### Is OptiListen free?

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

### Is JSON Tools free?

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

### Which has better reviews, OptiListen or JSON Tools?

OptiListen is rated higher. OptiListen averages 5.0 out of 5 from 3 ratings, while JSON Tools averages 2.7 from 12 ratings.

### Do OptiListen or JSON Tools have ads?

JSON Tools shows ads; OptiListen does not.

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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.*