# TrueEntropy vs Ear Spy Apps

The clearest difference is in-app purchases: TrueEntropy at none against Ear Spy Apps's 4. TrueEntropy also leads on iOS requirement (12.0 vs 14.0). Ear Spy Apps's advantage is update cadence (every 5 weeks vs every 41 months) and ratings volume (1.3K vs 11). On price, rating, ads and device support there is nothing between them.

Both are free to download. Ear Spy Apps sells 4 in-app purchases, starting at $5.99 per 7 days. TrueEntropy asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for TrueEntropy against 4.4 for Ear Spy Apps. That said, the two scores are not equally well evidenced: Ear Spy Apps has 1.3K ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 67% of TrueEntropy's written reviews are positive against 80% of Ear Spy Apps's.

TrueEntropy ships an update every 41 months, Ear Spy Apps every 5 weeks. The most recent releases landed on November 4, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | TrueEntropy | Ear Spy Apps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/trueentropy/id1299321174/reviews)** | [4.4 (1.3K ratings)](https://appshunter.io/ios/app/ear-spy-apps-super-hearing/id6468564704/reviews) |
| Number of ratings | 11 | **1.3K** |
| Positive reviews | 66.7% of reviews | **79.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 45 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vault12, Inc.](https://appshunter.io/developer/1073276506) | [Nino Gogoladze](https://appshunter.io/developer/1710106916) |

## What reviewers say

### TrueEntropy

[App page](https://appshunter.io/ios/app/trueentropy/id1299321174)

This app leverages your smartphone's camera to produce genuine random numbers by capturing thermal noise. It generates a high volume of entropy, suitable for cryptographic purposes, and can output data locally or remotely.

**Highlights:** Generate true random numbers from thermal noise, Utilizes smartphone camera sensor, High volume entropy generation, Output binary files locally, Send entropy via cryptographic relays, Continuous generation mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Ear Spy Apps

[App page](https://appshunter.io/ios/app/ear-spy-apps-super-hearing/id6468564704)

Securely hide private photos, videos, and files in a password-protected vault. Capture high-quality audio with advanced recording features, including long-range directional microphones and night vision. Enhance audio clarity and customize sound with EQ adjustments for professional-grade results.

**Highlights:** Secure private vault, Advanced audio recording, Long-range directional microphone, Night vision recording, Password protection, EQ adjustments

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access - Weekly | $5.99 | per 7 days |
| Hearing Amplifier, SpyFall | $9.99 | per month |
| Hearing Amplifier - Ear Spy | $19.99 | per 3 months |
| Tape Recorder, SpyTec | $34.99 | per year |

**What reviewers like**

- 👍 Clear audio quality
- 🚀 Awesome app
- 👍 User-friendly
- 👍 Great features
- 👍 Helpful for hard of hearing

**What reviewers complain about**

- 🐛 Can't open existing files
- 🔒 Lots of ads in free version
- 🐛 Won't restore itself after reinstall
- 🐛 Paywall nags interfere with usage
- 🐛 No sound recording in free version

**Reported bugs**

- Can't open existing files
- No sound recording in free version
- Won't restore itself after reinstall

**Requested features**

- Longer free trial period
- Restore full access after reinstall
- Reduce ad frequency in free version


## Frequently asked questions

### Is TrueEntropy free?

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

### Is Ear Spy Apps free?

Ear Spy Apps is free to download, with in-app purchases available.

### Which has better reviews, TrueEntropy or Ear Spy Apps?

TrueEntropy is rated higher. TrueEntropy averages 4.5 out of 5 from 11 ratings, while Ear Spy Apps averages 4.4 from 1.3K ratings.

### Do TrueEntropy or Ear Spy Apps have ads?

Neither TrueEntropy nor Ear Spy Apps shows ads.

### Which is updated more often, TrueEntropy or Ear Spy Apps?

TrueEntropy ships an update every 41 months, and Ear Spy Apps every 5 weeks. Most recently, TrueEntropy was updated on November 4, 2026 and Ear Spy Apps on November 12, 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.*