# Precision AIM vs UMEOX Aliens

The clearest difference is update cadence: UMEOX Aliens at every 5 months against Precision AIM's every 64 months. UMEOX Aliens also leads on iOS requirement (10.0 vs 18.2). On price, ads, 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.

Precision AIM ships an update every 64 months, UMEOX Aliens every 5 months. The most recent releases landed on September 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Precision AIM | UMEOX Aliens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/precision-aim/id1538468592/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 64 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 1 MB | 171 MB |
| Requires iOS | 18.2 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SDC Insights, LLC](https://appshunter.io/developer/1456386191) | [UMEOX Innovations Co., Ltd.](https://appshunter.io/developer/1104117218) |

## What reviewers say

### Precision AIM

[App page](https://appshunter.io/ios/app/precision-aim/id1538468592)

This app delivers randomized motivational messages throughout the day to encourage increased physical activity. Participants log in with a research-provided username and must enable notifications and location services to receive messages. The app's primary function is to facilitate a research study on message-based motivation.

**Highlights:** Randomized motivational messages, Physical activity encouragement, Research study participation, Notification and location services required, Simple home screen interface

**Features:** macOS Compatibility

**In-app purchases:** none


### UMEOX Aliens

[App page](https://appshunter.io/ios/app/umeox-aliens/id1595522965)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Precision AIM free?

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

### Is UMEOX Aliens free?

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

### Do Precision AIM or UMEOX Aliens have ads?

Neither Precision AIM nor UMEOX Aliens shows ads.

### Which is updated more often, Precision AIM or UMEOX Aliens?

Precision AIM ships an update every 64 months, and UMEOX Aliens every 5 months. Most recently, Precision AIM was updated on September 24, 2026 and UMEOX Aliens on October 27, 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.*