Arken Optics vs Tankquil
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arken Optics
This utility app connects to Arken Optics devices via WiFi, allowing real-time screen viewing, file management, and device function adjustments. It also offers video editing capabilities like cropping and slow-motion, alongside reticle calibration and software updates.
- Real-time device screen mirroring
- View, download, and share device files
- Device function menu settings
- Reticle zero calibration
- Online device software upgrades
- Video editing (cropping, synthesis, slow-motion)
Read full descriptionHide full description
Arken Optics APP is a free mobile application, and can connect to all devices under the Arken Optics brand through WiFi. After the connection is successful, you can perform the following operations through the Arken Optics APP: 1. You can see the screen of the device synchronously in real time 2. You can view the video files of the device online, and you can download the device files to the mobile phone and share them to other platforms 3. You can set the device function menu 4. You can quickly perform reticle zero calibration on the APP 5. Online device software upgrades can be performed through the APP 6. Video editing functions can be performed on the APP: video cropping, video synthesis, video slow motion
Tankquil
Read full descriptionHide full description
Keep your marine aquarium’s tests, dosing plans, and maintenance in one place. Tankquil supports Mixed Reef, SPS Dominant, LPS Dominant, Soft Coral, FOWLR (fish only with live rock), Fish Only, Nano Reef, Frag Tank, and other marine setups. • Log water test results and review charts, reading history, and adjustable target ranges. • Follow guided testing steps and use reaction timers with sound and vibration options. • Work through guided dosing tools for essential elements, nutrient management, and supported complete dosing systems, with product preparation checks and limits. • Record doses, organize dosing schedules, and review guidance based on test trends and dosing history. • Plan maintenance with reminders, record completed work and aquarium events, and keep equipment records. • Explore fish, coral, and invertebrate profiles, photo credits, and compatibility planning. • Learn with Aquarium 101 and revisit the app walkthrough when you need help. Tankquil provides planning and reference guidance. Always verify current product labels and manufacturer instructions, use accurate water volume and fresh test results, and follow product-specific limits. Tankquil does not control or verify physical dosing equipment. Species and compatibility guidance is not a guarantee.
Screenshots
Verdict
The clearest difference is price: Arken Optics at Free against Tankquil's $0.99. Arken Optics also leads on iOS requirement (10.0 vs 17.0). On 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
Arken Optics is free to download; Tankquil costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Arken Optics | Tankquil |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.7 (6 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 22 MB | 57 MB |
| Age rating | 17+ | 4+ |
| Developer | Hunan Pangu Optical Instruments Manufacturing Co., Ltd. | Avrian Zajac |
In-app purchases
Arken Optics
No in-app purchases
Tankquil
No in-app purchases









