Comparison

Collective2 vs Composer by SoFi

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

Head to head
About

Collective2

Monitor your automated trading performance and positions in real-time. Research and test trading strategies for free directly from your mobile device. Available in multiple languages.

Highlights
  • Real-time performance monitoring
  • View live positions
  • Research trading strategies
  • Test trading strategies
  • Multi-language support
Read full description

Collective2 Mobile is a free app that lets you view your Collective2 Autotrading results in real-time. Monitor your live Autotrading results and positions, research strategies, and test drive trading strategies for free. The app is available in English, Spanish and French.

About

Composer by SoFi

Automate your stock and ETF trading with AI. Generate custom strategies from plain English requests, backtest performance, and execute trades automatically with as little as $50. Offers both automated and direct trading options with robust security features.

Highlights
  • AI-powered strategy discovery
  • Automated trade execution
  • Backtesting with historical data
  • Direct trading for stocks, ETFs, options
  • Customizable trading rules
  • Portfolio management
Features
Read full description

Join thousands using AI to automate their trading. With Composer, AI curates or creates automated trading strategies for you from a few simple clicks or a request in plain English—no coding required. Backtest, customize, and automate in minutes. AI-POWERED STRATEGY DISCOVERY - Tell AI your trading ideas and preferences and it creates custom strategies, instantly - AI surfaces the best performing picks from 2000+ community-built trading strategies - Works with stocks and ETFs BACKTEST BEFORE YOU INVEST - See how strategies would have performed using historical data - Compare performance against benchmarks like the S&P 500 - Understand risk metrics before committing real money FULLY AUTOMATED TRADE EXECUTION - Start trading with as little as $50 - Your strategies trade automatically based on the rules you set - Get alerts when trades execute - Pause, edit, or liquidate anytime—you're always in control START TRADING AND UPGRADE WHEN YOU'RE READY - No subscription fee to automate your first strategy - Go Advanced ($10/month) to run a portfolio of up to 5 strategies - Go Pro ($40/month or $384/year) for up to 500 strategies, priority trade timing, and API access BEST-IN-CLASS SECURITY - Two-factor authentication - Bank-level encryption - Composer Securities is a member of SIPC, which protects securities customers of its members up to $500,000 (including $250,000 for claims for cash). Explanatory brochure available upon request or at www.sipc.org. SIPC does not protect against market losses. Please see our Commissions and Fees: https://composer.trade/commissions-fees Online trading has inherent risk due to system response, execution price, speed, liquidity, market data and access times that may vary due to market conditions, system performance, market volatility, size and type of order and other factors. An investor should understand these and additional risks before trading. Past performance not representative of future results. Please read important legal disclosures: https://www.composer.trade/disclosures Securities products and brokerage services are offered by Composer Securities LLC, a broker-dealer registered with the SEC and member of FINRA / SIPC. Composer Securities LLC and Composer Technologies Inc. are separate but affiliated companies. Accounts are carried and securities execution, clearance and settlement services are provided by Alpaca Securities LLC, and Apex Clearing Corporation, SEC-registered broker-dealers and members of FINRA / SIPC. Alpaca Securities is a wholly-owned subsidiary of AlpacaDB, Inc. Apex Clearing Corporation, is a wholly-owned subsidiary of Apex Fintech Solutions Inc. Check the background of Composer Securities LLC, Alpaca Securities LLC, and Apex Clearing Corporation on FINRA BrokerCheck . This is not an offer, solicitation of an offer, or advice to buy or sell securities or open a brokerage account in any jurisdiction where Composer Securities is not registered. Securities products are: Not FDIC insured. Not bank guaranteed. May lose value. FINRA BrokerCheck reports for Composer Securities LLC: https://brokercheck.finra.org/ Trademarks and logos are the property of their respective owners and do not represent endorsements of any kind. Unless otherwise noted, Composer Technologies Inc. and its affiliates are not partners, affiliates, or licensees of these companies.

Screenshots

Collective23 screens
Composer by SoFi4 screens

Verdict

The call

The clearest difference is rating: Composer by SoFi at 4.4 against Collective2's 1.9. Composer by SoFi also leads on update cadence (weekly vs every 49 months) and ratings volume (716 vs 12). Collective2's advantage is monetization model (free vs subscription) and ads (none vs shown). On price and in-app purchases 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

Composer by SoFi holds the better App Store score, 4.4 against 1.9. That said, the two scores are not equally well evidenced: Composer by SoFi has 716 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 25% of Collective2's written reviews are positive against 37% of Composer by SoFi's.

UpkeepUpdate frequency

Collective2 ships an update every 49 months, Composer by SoFi weekly. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

Scorecard8 real differences · 2 level
Collective2 versus Composer by SoFi: the parameters behind the verdict, then further details
ParameterCollective2Composer by SoFi
PriceFreeFree
Rating1.9 (12 ratings)4.4 (716 ratings) — better
Positive reviews25.0% of reviews37.3% of reviews — better
Number of ratings12716 — better
Update frequencyEvery 49 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS9.3 — better17.0
Further details — not scored
Size98 MB100 MB
Age rating17+4+
DeveloperCollective2 LLCComposer Technologies Inc.

Customer experience

Collective2

All ratings10 ratings
Positive30.0%
Neutral0.0%
Negative70.0%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Composer by SoFi

All ratings704 ratings
Positive85.7%
Neutral2.8%
Negative11.5%
Written reviews59 reviews
Positive37.3%
Neutral1.7%
Negative61.0%

Bugs and requests

Collective2

Not enough reviews yet to summarise bugs or requests.

Composer by SoFi

Reported bugs

4 issues
  • App stopped working
  • Unable to set up 2-factor verification
  • Unable to login
  • Incompatible with location

Requested features

3 requests
  • Add iPad app support
  • Add widgets
  • Improve customer support

In-app purchases

None

Collective2

No in-app purchases

None

Composer by SoFi

No in-app purchases

Questions

Is Collective2 free?
Collective2 is free to download, with no in-app purchases.
Is Composer by SoFi free?
Composer by SoFi is free to download, with no in-app purchases.
Which has better reviews, Collective2 or Composer by SoFi?
Composer by SoFi is rated higher. Collective2 averages 1.9 out of 5 from 12 ratings, while Composer by SoFi averages 4.4 from 716 ratings.
Do Collective2 or Composer by SoFi have ads?
Composer by SoFi shows ads; Collective2 does not.
Which is updated more often, Collective2 or Composer by SoFi?
Collective2 ships an update every 49 months, and Composer by SoFi weekly. Most recently, Collective2 was updated on October 23, 2026 and Composer by SoFi on October 27, 2026.

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