Comparison

HYDROS App vs Unplayed

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

Head to head
About

HYDROS App

Easily monitor and control your aquarium's vital parameters like temperature, pH, and salinity. Manage all your connected devices, including ATOs, lights, and pumps, with a user-friendly interface. Quick setup with preset configurations means no coding is required to get your system running.

Highlights
  • Monitor temperature, ORP, pH, salinity
  • Control ATO, lights, heaters, pumps
  • User-friendly interface
  • Quick setup with presets
  • Manage multiple devices and aquariums
  • Set schedules and create modes
Features
Read full description

Use the CoralVue HYDROS App to control and monitor HYDROS aquarium devices from your smartphone or tablet. The user-friendly interface allows you to easily monitor your aquarium's temperature, ORP, pH, alkalinity levels, salinity, and more. With just one tap, you can control your ATO, lights, heaters, pumps, skimmer, calcium reactor, RO/DI units, etc. Setup is quick and easy! With 18+ different preset configurations and growing, it will take only minutes to get all of your equipment set up and running, with no coding required. SUPPORTED DEVICES: -HYDROS Control X2, X4, XS, XD, X3, X4, XP8, X10 -HYDROS Kraken -HYDROS Minnow -HYDROS Launch -HYDROS WaveEngine, WaveEngine LT -IceCap Gyre Dual Pump WiFi Controller DISCOVER MORE: -Intuitive interface features multiple view options such as tile, text, or graph -Adjust your view settings to light mode, dark mode, or auto, which will automatically adjust to your mobile device's settings -Ability to manage multiple HYDROS devices and aquariums from one single-screen -Monitor and control WiFi outlets -Set schedules and create modes -Archive controller settings STAY CONNECTED We welcome you to join our HYDROS community at forum.coralvuehydros.com where you can ask questions, learn more about your HYDROS devices, and connect with other aquatic hobbyists like yourself.

About

Unplayed

Features
Read full description

Unplayed keeps your Nintendo Switch collection organized. Track every game — what you've played, what's waiting, and what's next. MANAGE YOUR COLLECTION Add games with a quick search: cover art, description, and release date are filled in automatically. Import your purchase history from the Nintendo eShop as a CSV file. Or enter everything manually — it's up to you. STATUS AT A GLANCE Mark games as "Not Started", "Playing", or "Completed", or put them on your wishlist. Rate them with stars and instantly see what's still undiscovered in your library. JUST ASK SIRI "Do I own a game in Unplayed?" — Siri checks your collection and shows you the cover, Switch version, and format at a glance, on iPhone and Apple Watch. You'll find all Siri phrases in Settings. ON ALL YOUR DEVICES The Apple Watch app puts your collection on your wrist, and the Apple TV app brings it to the big screen. Changes stay in sync everywhere automatically via iCloud. STATISTICS Explore your collection with detailed statistics. See at a glance how your games break down by play status, console, ownership, and genre — displayed in appealing charts. Track your ratings, keep an eye on your completion rate, and watch your collection grow over time with an interactive growth chart. FILTER & SORT Filter by genre, console, play status, ownership, or multiplayer support. Sort by title, rating, or release date. SWITCH & SWITCH 2 Unplayed supports both consoles. Separate physical and digital titles and keep your entire library in one place. GERMAN DESCRIPTIONS Game descriptions only available in English? No problem. With a single tap, Unplayed translates them right on your device — no internet connection needed, no data leaving your device. YOUR DATA IS YOURS Your collection lives on your device and syncs between your devices exclusively through your personal iCloud. No account required, no third-party servers, no tracking. Create a backup anytime and restore your collection on a new device. NOTE Game search uses the IGDB database (free Twitch account required). Optionally, RAWG can be set up as an additional source for cover art and descriptions.

Screenshots

HYDROS App3 screens
Unplayed4 screens

Verdict

The call

The clearest difference is update cadence: Unplayed at every 3 weeks against HYDROS App's every 3 months. HYDROS App's advantage is iOS requirement (15.6 vs 26.0). 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

HYDROS App ships an update every 3 months, Unplayed every 3 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
HYDROS App versus Unplayed: the parameters behind the verdict, then further details
ParameterHYDROS AppUnplayed
PriceFreeFree
Rating3.6 (23 ratings) — better—
Positive reviews62.3% of reviews—
Number of ratings23 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple TV, Apple Watch — better
Requires iOS15.6 — better26.0
Further details — not scored
Size70 MB6 MB
Age rating4+4+
DeveloperCoralvueNiko Klausnitzer

In-app purchases

None

HYDROS App

No in-app purchases

None

Unplayed

No in-app purchases

Questions

Is HYDROS App free?
HYDROS App is free to download, with no in-app purchases.
Is Unplayed free?
Unplayed is free to download, with no in-app purchases.
Do HYDROS App or Unplayed have ads?
Neither HYDROS App nor Unplayed shows ads.
Which is updated more often, HYDROS App or Unplayed?
HYDROS App ships an update every 3 months, and Unplayed every 3 weeks. Most recently, HYDROS App was updated on October 22, 2026 and Unplayed on October 24, 2026.

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