# Limit Screen Time | Focus Lock vs Sound Amplifier | Volume Boost

The clearest difference is monetization model: Limit Screen Time | Focus Lock at free against Sound Amplifier | Volume Boost's freemium. Limit Screen Time | Focus Lock also leads on update cadence (every 6 weeks vs every 4 months). Sound Amplifier | Volume Boost's advantage is iOS requirement (14.0 vs 16.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Limit Screen Time | Focus Lock sells 2 in-app purchases, starting at $3.99 per 7 days and Sound Amplifier | Volume Boost sells 5 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Limit Screen Time | Focus Lock against 4.5 for Sound Amplifier | Volume Boost. Both are backed by a comparable volume of ratings — 1.7K and 2.3K respectively. Written reviews are what separate them: 85% of Limit Screen Time | Focus Lock's written reviews are positive against 84% of Sound Amplifier | Volume Boost's.

Limit Screen Time | Focus Lock ships an update every 6 weeks, Sound Amplifier | Volume Boost every 4 months. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Limit Screen Time | Focus Lock | Sound Amplifier | Volume Boost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (1.7K ratings)](https://appshunter.io/ios/app/limit-screen-time-focus-lock/id1368396053/reviews) | **[4.5 (2.3K ratings)](https://appshunter.io/ios/app/sound-amplifier-volume-boost/id1470850192/reviews)** |
| Number of ratings | 1.7K | **2.3K** |
| Positive reviews | **85.3% of reviews** | 84.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | **Free** | Freemium |
| Size | 133 MB | 34 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [My Media and Entertainment](https://appshunter.io/developer/1833250028) | [Irakli Tsuladze](https://appshunter.io/developer/1731800085) |

## What reviewers say

### Limit Screen Time | Focus Lock

[App page](https://appshunter.io/ios/app/limit-screen-time-focus-lock/id1368396053)

Take back control of your time and boost productivity with this app. Block distracting social media, games, and websites by schedule or location. Utilize focus sessions with background music to enhance concentration and achieve digital balance.

**Highlights:** Block social media, games, and websites, Schedule restrictions by time or location, Focus sessions with timer and background music, Detailed usage statistics, Automatic blocking based on rules, Customizable block types

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Monthly Access | $10.99 | per month |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and simple test
- 💡 Helpful for monitoring hearing health
- 🔍 Provides detailed results
- 📊 Compares to age group

**What reviewers complain about**

- 🐛 Inconsistent results compared to professional tests
- 🔊 Volume levels too high during test
- 🤔 Requires review before using
- 🔒 Accessibility issues for visually impaired users

**Reported bugs**

- Test freezes or doesn't respond when trying to retake
- Audiogram results display incorrectly (e.g. reversed dB scale)

**Requested features**

- Ability to save and track test results over time
- Option to test with device speakers, not just headphones
- More detailed instructions and guidance during the test


### Sound Amplifier | Volume Boost

[App page](https://appshunter.io/ios/app/sound-amplifier-volume-boost/id1470850192)

Amplify live headphone audio and enhance your listening experience. This app offers volume boosts, music enhancement, and even a hearing assessment. Record audio and review transcriptions to never miss a word.

**Highlights:** Volume boost presets, Music enhancement, Hearing assessment, Live audio recording, Real-time transcriptions, Personalized hearing profiles, Noise reduction

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $5.99 | per 7 days |
| Hearing Amplifier, Ear Spy | $11.99 | per month |
| 3-Month Sound Boost Access | $12.99 | per 3 months |
| Listening Device, Amp Me | $39.99 | per year |
| lifetime | $44.99 | one-time |

**What reviewers like**

- 👍 Clear audio quality
- 🚀 Effective sound amplification
- 💡 Useful hearing profile test
- 🔒 Secure and private
- 👍 Easy to use interface

**What reviewers complain about**

- 🔒 Requires subscription for full access
- 🐛 Occasional bugs and glitches
- 🔋 High battery consumption
- 🔒 Forced to leave review for access

**Reported bugs**

- Recording feature not working
- Delayed sound output
- Compatibility issues with older devices

**Requested features**

- Compatibility with more audio sources
- Background playback support
- Customizable sound profiles
- Volume boost for specific apps


## Frequently asked questions

### Is Limit Screen Time | Focus Lock free?

Limit Screen Time | Focus Lock is free to download, with in-app purchases available.

### Is Sound Amplifier | Volume Boost free?

Sound Amplifier | Volume Boost is free to download, with in-app purchases available.

### Which has better reviews, Limit Screen Time | Focus Lock or Sound Amplifier | Volume Boost?

Sound Amplifier | Volume Boost is rated higher. Limit Screen Time | Focus Lock averages 4.4 out of 5 from 1.7K ratings, while Sound Amplifier | Volume Boost averages 4.5 from 2.3K ratings.

### Do Limit Screen Time | Focus Lock or Sound Amplifier | Volume Boost have ads?

Neither Limit Screen Time | Focus Lock nor Sound Amplifier | Volume Boost shows ads.

### Which is updated more often, Limit Screen Time | Focus Lock or Sound Amplifier | Volume Boost?

Limit Screen Time | Focus Lock ships an update every 6 weeks, and Sound Amplifier | Volume Boost every 4 months. Most recently, Limit Screen Time | Focus Lock was updated on October 25, 2026 and Sound Amplifier | Volume Boost on October 29, 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.*