Blue Arch vs 9R KSA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blue Arch
Control Bluetooth-enabled scent diffusers with this app. Adjust scent intensity, frequency, and operating schedules. Manage multiple devices, name them, and secure them with custom passwords.
- Turn diffusers on and off
- Control scent frequency and intensity
- Set working hours and days
- Manage and name multiple diffusers
- Change diffuser passwords
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This App is a smart controlling system aimed at Doctor Aromas Bluetooth controlled diffusers. Enjoy the best home perfumes with a touch of your fingers! Easily control all of our Doctor Aromas Bluetooth diffusers! - Turn diffusers on and off . - Control frequency and intensity of the scent, and working hours (hours and days) . - Control and name all your diffusers . - Change the password for your diffusers .
9R KSA
Manage your fitness membership, subscribe to new packages, and access the club using a QR code. Track your visits, report issues, and find club locations with ease.
- Manage membership packages
- Subscribe to new packages
- QR code club entry
- Request membership freeze/extension
- Manage profile
- Report issues and track tickets
- Find clubs on map
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This MobileApp is enabling 9R Saudi Members to perform the functions using the Mobile for the better experience and satisfaction with the following features; - review your current subscribed membership packages - subscribe for new package/s using various payment methods - entering the CLUB with QR code - request Freeze and extend the validity of your subscription - manage your profile - report any issues and review the tickets with its update - switching to different clubs and enter with QR code - find clubs using maps with required details - view your visit history
Screenshots
Verdict
The clearest difference is rating: Blue Arch at 3.5 against 9R KSA's 2.3. Blue Arch also leads on iOS requirement (11.0 vs 14.0). 9R KSA's advantage is update cadence (every 3 weeks vs every 14 months) and ratings volume (12 vs 4). On price, review sentiment, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Blue Arch holds the better App Store score, 3.5 against 2.3. Both are backed by a comparable volume of ratings — 4 and 12 respectively. Written reviews point the same way: 30% of Blue Arch's written reviews are positive against 23% of 9R KSA's.
Blue Arch ships an update every 14 months, 9R KSA every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Blue Arch | 9R KSA |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (4 ratings) — better | 2.3 (12 ratings) |
| Positive reviews | 29.6% of reviews — better | 22.7% of reviews |
| Number of ratings | 4 | 12 — better |
| Update frequency | Every 14 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 3 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | MAJED ALSUBAIE | 9 Round Company Ltd. |
Customer experience
Blue Arch
9R KSA
In-app purchases
Blue Arch
No in-app purchases
9R KSA
No in-app purchases
