# imOS CRX plus vs X1 Pump

The clearest difference is rating: imOS CRX plus at 2.8 against X1 Pump's 2.4. X1 Pump's advantage is update cadence (every 6 weeks vs every 5 months) and review sentiment (28% vs 17%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

imOS CRX plus holds the better App Store score, 2.8 against 2.4. Both are backed by a comparable volume of ratings — 6 and 20 respectively. Written reviews complicate that: 17% of imOS CRX plus's written reviews are positive against 28% of X1 Pump's, so the app with the better star average is not the one people write more warmly about.

imOS CRX plus ships an update every 5 months, X1 Pump every 6 weeks. The most recent releases landed on June 1, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | imOS CRX plus | X1 Pump |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (6 ratings)](https://appshunter.io/ios/app/imos-crx-plus/id1287312949/reviews)** | [2.4 (20 ratings)](https://appshunter.io/ios/app/x1-pump/id1400671862/reviews) |
| Number of ratings | 6 | **20** |
| Positive reviews | 16.7% of reviews | **27.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 7 MB | 21 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [illumagic](https://appshunter.io/developer/1139644730) | [Kamoer Fluild Tech (shanghai) Co., Ltd.](https://appshunter.io/developer/1080922922) |

## What reviewers say

### imOS CRX plus

[App page](https://appshunter.io/ios/app/imos-crx-plus/id1287312949)

This app allows you to program and control LED lights on compatible devices via Bluetooth. You can define LED intensities at specific time points, choose gradual or instant transitions, and select from various lighting modes to customize your light settings.

**Highlights:** Bluetooth LED control, Program light intensities, Define time points for settings, Gradual or instant transitions, Multiple lighting modes, Customize light settings

**Features:** macOS Compatibility

**In-app purchases:** none


### X1 Pump

[App page](https://appshunter.io/ios/app/x1-pump/id1400671862)

Control a Bluetooth-enabled titration pump for manual or scheduled dosing. Set up regular titration plans based on days or weeks for automated liquid dispensing.

**Highlights:** Bluetooth pump control, Manual titration, Scheduled titration plans, Cycle titration by days, Weekly titration setup

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is imOS CRX plus free?

imOS CRX plus is free to download, with no in-app purchases.

### Is X1 Pump free?

X1 Pump is free to download, with no in-app purchases.

### Which has better reviews, imOS CRX plus or X1 Pump?

imOS CRX plus is rated higher. imOS CRX plus averages 2.8 out of 5 from 6 ratings, while X1 Pump averages 2.4 from 20 ratings.

### Do imOS CRX plus or X1 Pump have ads?

Neither imOS CRX plus nor X1 Pump shows ads.

### Which is updated more often, imOS CRX plus or X1 Pump?

imOS CRX plus ships an update every 5 months, and X1 Pump every 6 weeks. Most recently, imOS CRX plus was updated on June 1, 2026 and X1 Pump on September 21, 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.*