Comparison

imOS CRX plus vs Smart Reef

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

imOS CRX plus

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
Read full description

Illumagic imOS CRX plus is a light controlling interface which allows you to program and control the LEDs within the ComboRay series G2 and X series via Bluetooth of your mobile devices. You can define the intensities of LEDs within three channels at various time points that you can also define by yourself. You can let the light settings of two adjacent time points to change gradually or instantly according to your need. There are also various lighting modes to be programmed and selected so you can change the light settings according to your favors.

About

Smart Reef

Manage your marine aquarium with this app. It provides device management, alerts for issues, and detailed historical data. A central dashboard offers a clear overview of your aquarium's status and device operations.

Highlights
  • Device management
  • Aquarium alerts
  • Measurement history
  • Operational status dashboard
  • Planned job journal
  • Preset sharing
Features
Read full description

Functionality: • device management • alerts when any problems occur in the aquarium • presentation of measurements and the operational status of devices • device operation and measurements history • clear, collective dashboard with information on device operation • modern table of parameters measured in the aquarium • unique journal of planned jobs and aquarium task history integrated with devices Devices may be connected via a Wi-Fi network and your home router. Dashboard sharing, loading and sharing of presets with other users and many more useful features. Supported devices: • Thermo control - temperature controller • Thermo view - temperature monitor • TDS meter - reverse osmosis water monitor • Salinity guardian - salinity monitor • pH meter - pH monitor • Level sensor - water/liquid level meter • Level keeper - automatic water refill system • Smart pump - dosing pump • Power switcher - timing programmer / device switch • Reef flare - smart LED lamp • Smart roller • Smart tester • Dosing pumps • kH keeper

Screenshots

imOS CRX plus4 screens
Smart Reef4 screens

Verdict

The call

The clearest difference is rating: imOS CRX plus at 2.8 against Smart Reef's 1.6. imOS CRX plus also leads on in-app purchases (none vs 11) and review sentiment (17% vs 4%). Smart Reef's advantage is ratings volume (19 vs 6). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Smart Reef sells 8 one-off in-app purchases. imOS CRX plus asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

imOS CRX plus holds the better App Store score, 2.8 against 1.6. Both are backed by a comparable volume of ratings — 6 and 19 respectively. Written reviews point the same way: 17% of imOS CRX plus's written reviews are positive against 4% of Smart Reef's.

UpkeepUpdate frequency

imOS CRX plus ships an update every 5 months, Smart Reef every 3 months. The most recent releases landed on June 1, 2026 and June 11, 2026 respectively.

Scorecard5 real differences · 5 level
imOS CRX plus versus Smart Reef: the parameters behind the verdict, then further details
ParameterimOS CRX plusSmart Reef
PriceFreeFree
Rating2.8 (6 ratings) — better1.6 (19 ratings)
Positive reviews16.7% of reviews — better3.8% of reviews
Number of ratings619 — better
Update frequencyEvery 5 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.114.6 — better
Further details — not scored
Size7 MB4 MB
Age rating4+4+
DeveloperillumagicReef Factory sp. z o.o.

Customer experience

imOS CRX plus

All ratings6 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews12 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

Smart Reef

All ratings19 ratings
Positive10.5%
Neutral5.3%
Negative84.2%
Written reviews26 reviews
Positive3.8%
Neutral11.5%
Negative84.6%

In-app purchases

None

imOS CRX plus

No in-app purchases

8 purchases

Smart Reef

One-time8
  • Warranty 3 years$12.99
  • Warranty 3 years$17.99
  • Warranty 3 years$19.99
Show 5 more
  • Warranty 3 years2 variants$24.99
  • Warranty 3 years$29.99
  • Warranty 3 years2 variants$34.99
  • Warranty 3 years2 variants$39.99
  • Warranty 3 years$49.99

Questions

Is imOS CRX plus free?
imOS CRX plus is free to download, with no in-app purchases.
Is Smart Reef free?
Smart Reef is free to download, with in-app purchases available.
Which has better reviews, imOS CRX plus or Smart Reef?
imOS CRX plus is rated higher. imOS CRX plus averages 2.8 out of 5 from 6 ratings, while Smart Reef averages 1.6 from 19 ratings.
Do imOS CRX plus or Smart Reef have ads?
Neither imOS CRX plus nor Smart Reef shows ads.
Which is updated more often, imOS CRX plus or Smart Reef?
imOS CRX plus ships an update every 5 months, and Smart Reef every 3 months. Most recently, imOS CRX plus was updated on June 1, 2026 and Smart Reef on June 11, 2026.

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