Comparison

CARL app vs QuattroHub

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

Head to head
About

CARL app

Access sophisticated hedge fund investment strategies previously unavailable to the general public. Build, test, and invest in your own quant hedge fund portfolios with customizable risk and return objectives. Offers real-time performance updates and flexible liquidity.

Highlights
  • Hedge fund investment strategies
  • Quant hedge fund portfolio building
  • Customizable risk and return
  • Technology and data-driven strategies
  • Low minimum investments
  • Real-time performance updates
  • Monthly liquidity
Features
Read full description

Grow your wealth with investment strategies not available anywhere else. For the first time, CARL is making Hedge Fund Investment Strategies available to millions who have never before had access to these types of sophisticated investment options. Invest in top performing quant hedge funds previously only available to high net worth individuals and institutional investors. Build, test, and invest in your own quant hedge fund portfolio. Select your level of risk, return objective, and allocate your capital on the strategies that you are most comfortable with. CARL features: Technology & data-driven investment strategies 5 minute sign-up Low minimums Portfolio tools Risk-adjusted investment strategies Real-time performance updates Start and stop whenever you want with monthly liquidity Comprehensive safety and security features Ready to invest? Learn more at investwithcarl.com Questions? Contact us at info@investwithcarl.com. DISCLAIMER Due to SEC regulations, CARL, Inc. funds are available only to accredited investors. CARL, Inc. is providing this application for informational purposes only. Nothing contained in this application is intended to constitute, or should be deemed to be, an offer to sell or solicitation of an offer to buy any security or investment, financial advisory, legal, tax, accounting or other professional advice to you or any other party, or be an opinion of the appropriateness or suitability of any investment. This application and its content is intended for general informational purposes only and should not be acted upon without first obtaining financial advisory, legal, tax, accounting or other professional advice from your consultant or other professional with respect to your own personal investment objectives, financial circumstances, and needs. Neither historical simulations nor past return performance are necessarily indicative of future returns.

About

QuattroHub

Manage your cards and digital wallet with features for adding funds, sending and requesting money, and accessing program benefits. Supports multiple currencies and provides transaction monitoring.

Highlights
  • Add and manage physical/virtual cards
  • Digital wallet with multi-currency support
  • Send and request funds
  • Access program benefits
  • Transaction monitoring
  • Monthly statement generation
Features
Read full description

Providing cardholders with an industry leading experience. App includes onboarding, adding and managing cards, wallet management, sending and requesting funds to anyone in the program, accessing benefits, and stay on-top of notifications. Includes multi-language support. Specific Features: Cards – Get new physical or virtual cards, add cards to a digital wallet, load cards with funds from the wallet, view card details, freeze cards, see transactions, and more. Wallet – Single and multi-currency support with currency exchange and pockets for each currency, load cards, transaction monitoring, and monthly statement generation. Transfer – Move funds between wallet and cards, send and request money from anyone in the program. Optional IBAN or bank account direct deposits and transfers. Benefits – View and add program benefits and access them directly in the app.

Screenshots

CARL app4 screens
QuattroHub4 screens

Verdict

The call

The clearest difference is rating: QuattroHub at 5.0 against CARL app's 4.2. QuattroHub also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (12.0 vs 15.6). CARL app's advantage is ratings volume (15 vs 1). 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

QuattroHub holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: CARL app has 15 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

CARL app ships an update every 6 weeks, QuattroHub fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
CARL app versus QuattroHub: the parameters behind the verdict, then further details
ParameterCARL appQuattroHub
PriceFreeFree
Rating4.2 (15 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings15 — better1
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size29 MB41 MB
Age rating4+17+
DeveloperCARL, Inc.Via Carte Inc

Customer experience

CARL app

All ratings15 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

QuattroHub

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

In-app purchases

None

CARL app

No in-app purchases

None

QuattroHub

No in-app purchases

Questions

Is CARL app free?
CARL app is free to download, with no in-app purchases.
Is QuattroHub free?
QuattroHub is free to download, with no in-app purchases.
Which has better reviews, CARL app or QuattroHub?
QuattroHub is rated higher. CARL app averages 4.2 out of 5 from 15 ratings, while QuattroHub averages 5.0 from 1 ratings.
Do CARL app or QuattroHub have ads?
Neither CARL app nor QuattroHub shows ads.
Which is updated more often, CARL app or QuattroHub?
CARL app ships an update every 6 weeks, and QuattroHub fortnightly. Most recently, CARL app was updated on November 3, 2026 and QuattroHub on November 4, 2026.

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