# Keep Screen On vs SmartMTR for FlexRadio

The clearest difference is review sentiment: SmartMTR for FlexRadio at 100% against Keep Screen On's 40%. SmartMTR for FlexRadio also leads on price (Free vs $0.99) and rating (4.0 vs 2.0). Keep Screen On's advantage is in-app purchases (none vs 1) and ratings volume (12 vs 1). On ads and device support there is nothing between them.

SmartMTR for FlexRadio is free to download; Keep Screen On costs $0.99 up front. SmartMTR for FlexRadio sells 1 in-app purchase, starting at $2.99 per month. Keep Screen On asks for nothing beyond the download.

SmartMTR for FlexRadio holds the better App Store score, 4.0 against 2.0. That said, the two scores are not equally well evidenced: Keep Screen On has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 40% of Keep Screen On's written reviews are positive against 100% of SmartMTR for FlexRadio's.

Keep Screen On ships an update every 5 months, SmartMTR for FlexRadio every 5 weeks. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Keep Screen On | SmartMTR for FlexRadio |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (12 ratings)](https://appshunter.io/ios/app/keep-screen-on/id1453969337/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/smartmtr-for-flexradio/id6758765008/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 3 MB |
| Requires iOS | **12.0** | 26.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Duy Nguyen](https://appshunter.io/developer/1444869106) | [Dariusz Socha](https://appshunter.io/developer/1084171708) |

## What reviewers say

### Keep Screen On

[App page](https://appshunter.io/ios/app/keep-screen-on/id1453969337)

This utility prevents your device from entering sleep mode while running specific tasks, such as waiting for code builds to finish. It offers customizable timeout settings and an alarm notification upon completion.

**Highlights:** Prevents device sleep mode, Useful for code builds, Customizable timeout, Alarm notification, Runs in background

**In-app purchases:** none


### SmartMTR for FlexRadio

[App page](https://appshunter.io/ios/app/smartmtr-for-flexradio/id6758765008)

Transform your iOS device into a precise S-meter and control panel for FlexRadio transceivers. Monitor signal levels, adjust DSP filters, and control radio functions with intuitive gestures. Includes a demo mode for exploration.

**Highlights:** Precision S-meter with arc-band indicator, Dual-slice display for simultaneous monitoring, TX meters for RF Power, SWR, and Compression, Intuitive swipe gestures for radio control, Comprehensive DSP filter adjustments, Demo mode for exploration

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartMTR | $2.99 | per month |


## Frequently asked questions

### Is Keep Screen On free?

Keep Screen On costs $0.99, with no in-app purchases.

### Is SmartMTR for FlexRadio free?

SmartMTR for FlexRadio is free to download, with in-app purchases available.

### Which has better reviews, Keep Screen On or SmartMTR for FlexRadio?

SmartMTR for FlexRadio is rated higher. Keep Screen On averages 2.0 out of 5 from 12 ratings, while SmartMTR for FlexRadio averages 4.0 from 1 ratings.

### Do Keep Screen On or SmartMTR for FlexRadio have ads?

Neither Keep Screen On nor SmartMTR for FlexRadio shows ads.

### Which is updated more often, Keep Screen On or SmartMTR for FlexRadio?

Keep Screen On ships an update every 5 months, and SmartMTR for FlexRadio every 5 weeks. Most recently, Keep Screen On was updated on October 7, 2026 and SmartMTR for FlexRadio on October 1, 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.*