# SmartPLL vs ImUp Alarm

The clearest difference is rating: SmartPLL at 5.0 against ImUp Alarm's 1.0. SmartPLL also leads on in-app purchases (none vs 2) and iOS requirement (13.1 vs 15.5.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. ImUp Alarm sells 2 in-app purchases, starting at $7.99 per month. SmartPLL asks for nothing beyond the download.

SmartPLL holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | SmartPLL | ImUp Alarm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartpll/id1623497556/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/imup-alarm/id1641721464/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 31 MB |
| Requires iOS | **13.1** | 15.5.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Z-Communications](https://appshunter.io/developer/1285508714) | [Abretto, LLC](https://appshunter.io/developer/1552639213) |

## What reviewers say

### SmartPLL

[App page](https://appshunter.io/ios/app/smartpll/id1623497556)

This application allows users to program and control Z-COMM SSG series Smart Phase Locked Loop (PLL) modules. Adjust frequency, sweep mode, step time, and power output via Bluetooth or USB. Features LED status indicators and a rugged enclosure for versatile use.

**Highlights:** Programmable frequency, sweep, and step settings, Bluetooth and USB connectivity, LED status indicators, Rugged enclosure for field use, Internal or external reference input, High performance RF tool

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

**In-app purchases:** none


### ImUp Alarm

[App page](https://appshunter.io/ios/app/imup-alarm/id1641721464)

This alarm clock app notifies your contacts when you wake up or turn off your alarm. It includes a word scramble challenge to ensure you're truly awake. A minimalist night light feature is also available.

**Highlights:** Notify contacts upon waking, Word scramble challenge to disable alarm, Minimalist night light, Customizable contact list, Alarm on/off notifications

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| Annual Subscription | $59.99 | per year |


## Frequently asked questions

### Is SmartPLL free?

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

### Is ImUp Alarm free?

ImUp Alarm is free to download, with in-app purchases available.

### Which has better reviews, SmartPLL or ImUp Alarm?

SmartPLL is rated higher. SmartPLL averages 5.0 out of 5 from 1 ratings, while ImUp Alarm averages 1.0 from 1 ratings.

### Do SmartPLL or ImUp Alarm have ads?

Neither SmartPLL nor ImUp Alarm shows ads.

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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.*