Comparison

CDOUBLES vs Arbo3

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

Head to head
About

CDOUBLES

Features
Read full description

CDOUBLES is compatible with iOS 7.0 and above. It can support live view, remote playback, PTZ control, local playback, snapshot and push notifications etc. from DVR and NVR via 3G or WIFI.

About

Arbo3

Read full description

Arbo3 System One is the ultimate solution for those seeking clean and healthy living. In this detailed summary, we explore the full range of features and capabilities that Arbo3 System One offers. This innovative IoT smart device utilizes a network of cloud-connected Ozone (O3) generators and sensors, all managed through an intuitive smartphone app. With the ability to customize your preferences, you can tailor your Arbo3 System One to suit your needs perfectly. The user-defined web portal provides complete visibility and control over all Arbo3 devices in your network, along with valuable analytics data. The cloud service leverages the latest protocols and tools from AWS, ensuring top-notch performance. Arbo3 System One includes two hardware components, Oscar and Rose, each designed to enhance your indoor air quality. The mobile app keeps track of your devices, schedules, and modes, ensuring you have worry-free, clean air. With modes like Routine, Manual, Turbo, and Mobile, you have the flexibility to choose how your Arbo3 System One operates. The app provides remote control and real-time notifications, putting you in charge of your environment's ozone levels. Whether you prefer scheduled operation, sensor-based control, intense cleaning, or mobile use, Arbo3 System One has you covered. For each mode, make sure to activate the ON/OFF button for seamless device operation. Arbo3 empowers you to enjoy clean and healthy air wherever you go. Stay informed with insights into your ozone level data, from past to present, and take control of the quality of air you deserve. With Arbo3 System One, clean and healthy living is just a tap away!

Screenshots

CDOUBLES4 screens
Arbo32 screens

Verdict

The call

The clearest difference is update cadence: Arbo3 at every 6 weeks against CDOUBLES's every 4 months. CDOUBLES's advantage is iOS requirement (7.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CDOUBLES ships an update every 4 months, Arbo3 every 6 weeks. The most recent releases landed on September 6, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 4 level
CDOUBLES versus Arbo3: the parameters behind the verdict, then further details
ParameterCDOUBLESArbo3
PriceFreeFree
Update frequencyEvery 4 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS7.0 — better15.0
Further details — not scored
Size32 MB34 MB
Age rating4+4+
DeveloperCHUNG YI HUNGArbo3 Inc.

In-app purchases

None

CDOUBLES

No in-app purchases

None

Arbo3

No in-app purchases

Questions

Is CDOUBLES free?
CDOUBLES is free to download, with no in-app purchases.
Is Arbo3 free?
Arbo3 is free to download, with no in-app purchases.
Do CDOUBLES or Arbo3 have ads?
Neither CDOUBLES nor Arbo3 shows ads.
Which is updated more often, CDOUBLES or Arbo3?
CDOUBLES ships an update every 4 months, and Arbo3 every 6 weeks. Most recently, CDOUBLES was updated on September 6, 2026 and Arbo3 on September 11, 2026.

Other comparisons