Mobius vs Stack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mobius
This app provides intelligent control for aquarium equipment, simplifying management of multiple tanks. Create custom scenes, schedules, and access quick status updates to maintain your aquatic environment with ease.
- Manage multiple tanks
- Create custom scenes
- Drag-and-drop scheduling
- Lighting control with templates
- Flow control for pumps
- Dosing automation and tracking
Read full descriptionHide full description
Mobius® is an innovative control platform for your EcoTech Marine products. A core rethinking of how products connect and function make Mobius one of the simplest and smartest control apps you'll ever use. Manage multiple tanks and get quick status updates from dashboard widgets. Easily create Scenes that are accessible to run from the dashboard. Scenes make repetitive tasks as simple as tapping a button. Creating schedules is a snap with Mobius's drag and drop interface. DASHBOARD - Run and create custom scenes using your equipment to make repetitive tasks easy. - Configure and organize your widgets so you can stay current with what is happening in your tank. - Quick access to your devices. LIGHTING - The lighting control interface makes creating a schedule easier than ever. - Proven templates make sure your tank gets off to a great start! - Use our coral acclimation mode to welcome your new livestock. - Save & share your customized templates. FLOW - Use our easy schedule editing interface to customize your Vectra & VorTech schedule. - Utilize all of our great pump modes like ReefCrest, Lagoon and Tidal Swell. - Initiate Feed mode to reduce the aquarium flow for spot-feeding. - Easily calibrate your Vectra with our simple walkthrough. DOSING - Auto Mode: Tell us the additive you're dosing and how much, we'll take care of when based on proven best practices. - Manual Mode: You're in control. Specify dosage and duration or rate. - Continuous Mode: Set a dosing rate, and your Versa will dose as long as it has power. - Easy Calibration - Keep track of how much additive is left in the containers, so you don't run out. - Need a one-time dose? Use Instant Dose to dose your tank quickly.
Stack
Read full descriptionHide full description
Stop losing receipts. Stop missing warranties. Stack is the personal purchase tracker that uses AI to scan your receipts, track your warranties, and show you exactly where your money goes — all in one app. SCAN RECEIPTS IN SECONDS Point your camera at any receipt and Stack's AI instantly extracts the store name, items, prices, and date. No manual entry. No tedious data input. Just snap and go. You can also capture receipts from other apps using the built-in Share Extension — forward email confirmations, screenshots, or photos directly into Stack. NEVER MISS A WARRANTY AGAIN Stack tracks every warranty expiration date and sends you notifications before coverage ends. No more digging through drawers for proof of purchase when something breaks. Your receipts and warranty details are always right where you need them. FIND PRODUCT MANUALS & WARRANTY LINKS Lost a product manual? Stack searches the web to find manuals, warranty registration pages, and support links for your purchases. Everything you need for a product, organized in one place. SEE WHERE YOUR MONEY GOES Your monthly spending dashboard breaks down purchases with clear, visual charts. See totals by store, category, or time period. Understand your spending patterns at a glance without connecting bank accounts or sharing financial data. ORGANIZE YOUR WAY Stack features a unique spatial canvas where you can arrange and group your purchases visually — like a digital mood board for everything you own. Drag, group, and organize items however makes sense to you. It is not just a list; it is your personal inventory, laid out your way. PRIVATE & SYNCED Your data stays yours. Stack syncs across all your Apple devices with iCloud — no account creation required, no third-party servers. Your purchase history, receipts, and warranty documents are encrypted and available wherever you are. BUILT FOR REAL LIFE Stack is designed for personal use, not business expense reports. Whether you are tracking a laptop warranty, organizing kitchen appliance receipts, or checking how much you spent on groceries this month, Stack keeps your purchase life simple and organized. KEY FEATURES - AI receipt scanning — camera or Share Extension - Automatic extraction of items, prices, stores, and dates - Warranty expiration tracking with push notifications - Monthly spending dashboard with visual charts - Spatial canvas for visual purchase organization - Online product manual and warranty link finder - iCloud sync across iPhone and iPad - No account required — just download and start scanning Whether you have five receipts or five hundred, Stack keeps everything organized, searchable, and always at your fingertips. Download Stack today and never lose another receipt or miss another warranty. IN-APP PURCHASE OPTIONS Unlock the full Stack experience with our Pro plan. We offer two subscription models: - $7.99 USD per week: For flexible use as you organize and track your purchases. - $129.99 USD per year: Enjoy an annual plan with 69% savings! Free users can store up to 5 items. Pro users get unlimited items, advanced receipt enrichment, and priority sync. Fair usage policies may apply to ensure a high-quality experience for all users. We reserve the right to change pricing, subscription terms, or in-app benefits. Any changes will be communicated via the app or website. For more details on our policies, please visit: Terms of Service: https://hanifsgy.github.io/things-site/terms Privacy Policy: https://hanifsgy.github.io/things-site/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Mobius at none against Stack's 2. Mobius also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18). Stack's advantage is update cadence (every 10 days vs every 2 months). On price and ads 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. Stack sells 2 in-app purchases, starting at $7.99 per 7 days. Mobius asks for nothing beyond the download.
Mobius ships an update every 2 months, Stack every 10 days. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.
| Parameter | Mobius | Stack |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (328 ratings) — better | — |
| Positive reviews | 27.5% of reviews | — |
| Number of ratings | 328 — better | — |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 18 |
| Further details — not scored | ||
| Size | 95 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | C2 Development, LLC | Muhammad Hanif Sugiyanto |
Bugs and requests
Mobius
Reported bugs
5 issues- Constant disconnections
- Inability to add/connect devices
- Lighting schedule not working as expected
- Time/date resets randomly
- Crashes and freezes
Requested features
6 requests- Remote access and control
- Improved lighting schedule customization
- Pump/device off option
- Sync settings across devices
- Better documentation and tutorials
Show 1 moreShow fewer
- Wi-Fi connectivity
Stack
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mobius
No in-app purchases
Stack
- Stack Pro 1 Week$7.997 Days
- Stack Pro 1 Year$129.991 Year









