# Listen vs Infinite Shells

The clearest difference is ads: Listen at none against Infinite Shells's shown. Listen also leads on iOS requirement (12.0 vs 15.6). On price, update cadence, 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.

Listen ships an update every 6 weeks, Infinite Shells every 3 weeks. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Listen | Infinite Shells |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (12 ratings)](https://appshunter.io/ios/app/listen-auditory-training/id1031353626/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 129 MB | 30 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Northeastern University Information Services](https://appshunter.io/developer/455790172) | [Ranjel Pineda](https://appshunter.io/developer/1892548858) |

## What reviewers say

### Listen

[App page](https://appshunter.io/ios/app/listen-auditory-training/id1031353626)

This game trains your hearing by presenting sound cues that you must respond to correctly to navigate obstacles and absorb energy. It uses adaptive algorithms to adjust difficulty to your individual performance level, based on principles of perceptual learning and auditory neuroscience.

**Highlights:** Auditory training game, Perceptual learning principles, Reward-based framework, Adaptive difficulty algorithms, Sound cue response, Brain fitness

**Features:** macOS Compatibility

**In-app purchases:** none


### Infinite Shells

[App page](https://appshunter.io/ios/app/infinite-shells/id6762028424)

**In-app purchases:** none


## Frequently asked questions

### Is Listen free?

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

### Is Infinite Shells free?

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

### Do Listen or Infinite Shells have ads?

Infinite Shells shows ads; Listen does not.

### Which is updated more often, Listen or Infinite Shells?

Listen ships an update every 6 weeks, and Infinite Shells every 3 weeks. Most recently, Listen was updated on October 2, 2026 and Infinite Shells on October 10, 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.*