Aquadex vs Roost.
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Aquadex
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AquariumLog is a professional aquarium parameter management system designed for hobbyists who treat fishkeeping as a science. PARAMETER TRACKING β’ 6-parameter water test log: pH, NH3 (ammonia), NO2 (nitrite), NO3 (nitrate), temperature, salinity β’ Threshold-based status engine β automatic safe / warning / danger classification per parameter β’ Per-tank historical record with reverse-chronological access ANALYTICS β’ pH trend chart with ideal-line overlay (7.0 reference) β’ Nitrogen cycle chart β ammonia, nitrite, nitrate plotted together β’ Temperature chart with ideal range (78Β°F) β’ Days-running counter, test count, care log count, fish census CARE WORKFLOW 9 care types: water change (with gallons logged), feeding (with food type), filter cleaning, glass cleaning, gravel vacuum, equipment check, algae removal, plant trimming, other. TANK & LIVESTOCK MANAGEMENT β’ 7 tank type presets β freshwater, saltwater, brackish, planted, betta, goldfish, cichlid β’ Capacity tracking in gallons β’ Fish & invertebrate inventory with name, species, date added, alive/deceased status β’ Per-tank notes DATA OWNERSHIP β’ Built on SwiftData (Apple native persistence) β’ 100% on-device storage β no cloud sync, no account, no telemetry β’ One-tap JSON export of all tanks, tests, logs and livestock β’ Zero network calls, zero third-party SDKs PLATFORM β’ iOS 17+ / iPhone-only β’ Native SwiftUI, optimized for the latest iPhones β’ Built-in iOS Charts framework If you keep precise records, run controlled water changes, and want to see your nitrogen cycle in graphs β this is your tool.
Roost.
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Bedtime without the phone fight. Roost locks the apps that keep you β or your kids β up at night, on a schedule you set, behind a PIN that canβt be undone in a weak moment. Set it once and it runs automatically. Now with Roost +, you can also pause apps by location. HOW IT WORKS 1. Choose the apps. Pick the feeds, games, and chats that should pause. 2. Set the schedule. Match school nights and weekends to the way your family actually works. 3. Add locations with Roost +. Pause selected apps when the device arrives at places like school, tutoring, or afterschool care, then unlock them when it leaves. 4. Make it stick. A parent PIN and Apple Screen Time help keep settings from being switched off. When a schedule starts, your chosen apps are locked until the window ends. With Roost +, apps can also lock and unlock automatically based on saved locations. No nightly nagging, no manual on/off. ROOST + Roost + is an optional subscription add-on for location-based app blocking: - Create saved locations with custom names and radius controls. - Automatically pause apps when the device arrives. - Automatically unlock apps when the device leaves. - View location-based roosting status inside the app. FOR PARENTS Roost is built around routines instead of constant policing: - Parent PIN protects your settings and early wake-ups. - Recovery email lets you reset your PIN securely if you forget it. - Screen Time guide walks you through the iOS settings that keep Roost firmly in place. - Location-based blocking helps protect focus during school, tutoring, care programs, and other daily routines. FOR EVERYONE Not a parent? Roost works just as well for grown-ups who scroll past their own bedtime. Run it in self-managed mode and give yourself a gentle, automatic pause for the apps you canβt put down. PRIVATE BY DESIGN Roost is built to need as little of your data as possible: - Your PIN is hashed and stored only in your deviceβs secure Keychain. It never leaves your phone. - The apps and schedules you choose are represented by Appleβs private Screen Time tokens. We never see which apps you block or when. - Location-based blocking uses saved places to trigger Roost + on your device. - We donβt sell data or run ads. The only personal information Roost collects is an email address, used solely to send a PIN reset code if you ever forget your PIN. BUILT ON APPLE SCREEN TIME Roost uses Appleβs Family Controls, Screen Time, and Location Services frameworks to block apps reliably at the system level. Made for iPhone and iPad. Sleep first. Scroll later. Questions? Email support@useroost.app Privacy Policy: https://useroost.app/privacy.html Terms of Use: https://useroost.app/terms.html
Screenshots
Verdict
The clearest difference is in-app purchases: Aquadex at none against Roost.'s 2. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Roost. sells 2 in-app purchases, starting at $4.99 per month. Aquadex asks for nothing beyond the download.
| Parameter | Aquadex | Roost. |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.0 β better | 18.0 |
| Further details β not scored | ||
| Size | 1 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | ζ η | Merit Apps LLC |
In-app purchases
Aquadex
No in-app purchases
Roost.
- Roost+ Monthly$4.991 Month
- Roost+ Yearly$39.991 Year









