Comparison

Carina vs Brick Keeper

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

Head to head
About

Carina

Monitor and control your Carina grid-interactive water heater remotely. View tank temperatures, hot water levels, and critical alarms. Track estimated energy usage and activate vacation mode for convenience.

Highlights
  • View tank temperatures
  • Monitor hot water remaining
  • Track estimated energy usage
  • Receive critical alarms
  • Activate vacation mode
Features
Read full description

Gain insight and control over your Carina grid-interactive water heater.  View current tank temperatures and hot water remaining, monitor critical alarms, track energy usage over time*, and remotely put your water heater into vacation mode. * The energy usage and energy costs displayed in this app are estimates. Thermostat icon designed by Hirschwolf from Flaticon.

About

Brick Keeper

Manage your LEGO collection by tracking sets, their value, and progress within series. Record individual copies, their status, and purchase details. Easily find sets and organize your wishlist.

Highlights
  • Track collection value
  • Organize by theme and series
  • Manage individual set copies
  • Record purchase prices and dates
  • Quick set search
  • Wishlist management
Features
Read full description

Brick Keeper is a collection manager made for LEGO collectors. Record every set you own, see what your collection is worth, follow your series progress, and keep everything in order. YOUR COLLECTION AT A GLANCE · Collection value: worked out from US retail prices; sets without one count at what you paid · Theme view: your collection organized by theme, with series progress always in view · Set wall: browse your whole collection as a wall of images, with the total piece count · Sold records: sets you've sold are kept separately, with what you paid and what you sold for EVERY COPY, ITS OWN RECORD · Multiple copies: track each copy of the same set separately · Status: sealed, opened or built, easy to tell apart · Prices and dates: purchase price, currency, date acquired and date built · Gifts: mark sets you received as gifts SERIES COLLECTING · Every set in a series, by year: quickly see which ones you're still missing · New releases: a heads-up when a series you're collecting gets a new set ADD AND FIND SETS QUICKLY · Search by English or Chinese name, set number or theme, even with typos · Browse every set by theme WISHLIST · Group and sort by theme, and see your wishlist total · Move a set to your collection in one tap once it's yours PRIVACY · Export your collection data (CSV file) · Delete your account and all your data in the app at any time · Your data is never used for tracking Available in English and Chinese. Ideas or problems? Email support@fiaaatlux.com LEGO® is a trademark of the LEGO Group, which does not sponsor, authorize or endorse this app.

Screenshots

Carina3 screens
Brick Keeper4 screens

Verdict

The call

The clearest difference is rating: Brick Keeper at 5.0 against Carina's 4.0. Brick Keeper also leads on update cadence (every 3 weeks vs every 3 months). Carina's advantage is ratings volume (7 vs 2). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

Brick Keeper holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

UpkeepUpdate frequency

Carina ships an update every 3 months, Brick Keeper every 3 weeks. The most recent releases landed on October 15, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Carina versus Brick Keeper: the parameters behind the verdict, then further details
ParameterCarinaBrick Keeper
PriceFreeFree
Rating4.0 (7 ratings)5.0 (2 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings7 — better2
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size40 MB34 MB
Age rating4+4+
DeveloperCarina TechnologyYining Zhou

Customer experience

Carina

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Brick Keeper

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Carina

No in-app purchases

None

Brick Keeper

No in-app purchases

Questions

Is Carina free?
Carina is free to download, with no in-app purchases.
Is Brick Keeper free?
Brick Keeper is free to download, with no in-app purchases.
Which has better reviews, Carina or Brick Keeper?
Brick Keeper is rated higher. Carina averages 4.0 out of 5 from 7 ratings, while Brick Keeper averages 5.0 from 2 ratings.
Do Carina or Brick Keeper have ads?
Neither Carina nor Brick Keeper shows ads.
Which is updated more often, Carina or Brick Keeper?
Carina ships an update every 3 months, and Brick Keeper every 3 weeks. Most recently, Carina was updated on October 15, 2026 and Brick Keeper on October 31, 2026.

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