Best Principal 401K Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

If you already know Principal®, this is the deeper bench. 250+ principal 401k apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Principal 401K Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Principal®Principal®Free4.8★ (236K)NoNoSep 2026
2Fidelity InvestmentsFidelity InvestmentsFree4.8★ (3.3M)NoNoSep 2026
3Principal® EventsPrincipal® EventsFree5.0★ (5)NoNoJun 2026
4NetBenefitsNetBenefitsFree4.6★ (29K)NoNoSep 2026
5Capital Group PlanPremier401kCapital Group PlanPremier401kFree4.8★ (11K)NoNoSep 2026
6VoyaVoyaFree4.7★ (188K)NoNoSep 2026
7Capital Group RKDirect 401kCapital Group RKDirect 401kFree4.7★ (11K)NoNoSep 2026
8T. Rowe Price Personal®T. Rowe Price Personal®Free4.6★ (23K)NoNoSep 2026

Top Picks for Principal 401K

Principal®#1

Principal® by Principal Financial Group

Retire on your terms.
Editor's Choice
💰 Finance
4.8😞(236K ratings)
Free
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Manage your retirement savings and financial goals from your mobile device. Track account balances, adjust contributions, and access educational resources to improve your financial confidence. Tools are available to help you assess your progress towards retirement.

What We Love

  • 🚀 Easy to use
  • 👍 Convenient mobile access
  • 💡 Helpful investment tools
  • 🔒 Secure login process

Room to Improve

  • 🐛 Frequent crashes and bugs
  • ⏱️ Slow and laggy performance
  • 📊 Lacking key account information
  • 🤔 Confusing navigation and UI
Fidelity Investments#2

Fidelity Investments by Fidelity Investments

Invest, save, plan in one app.
Strong Contender
💰 Finance
4.8😐(3.3M ratings)
Free
#13in Finance
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Invest in stocks, ETFs, and cryptocurrencies with professional insights and powerful tools. Manage cash, pay bills, and automate investments. Offers 24/7 support and robust account protection.

What We Love

  • 🚀 Efficient app with quick access to accounts
  • 🔒 Secure login process
  • 👍 Comprehensive research and data tools
  • 💡 Ability to link external accounts for full financial view
  • 👍 Reliable and trustworthy platform

Room to Improve

  • 🐛 Inaccurate account information and performance data
  • 🔍 Cluttered and unintuitive user interface
  • 🔍 Difficult to navigate and find desired features
  • 🔍 Lacking key features for active traders
  • 🐛 Buggy app with frequent crashes and performance issues

More Principal 401K apps to explore

FAQ about Principal 401K

What are the best principal 401k apps for iPhone?
Principal® tops our principal 401k apps ranking as of September 2026, with a 4.8-star average from 236K App Store ratings, and it's free to download.
Yes — 20 of the top principal 401k apps we rank are free to download, including Principal® and Fidelity Investments.
Principal® has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ principal 401k apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The app allows you to manage your retirement savings and financial goals. You can view account balances, make transactions like rolling over funds or changing contributions, and adjust your investments. It also provides financial education resources and tools like a Retirement Wellness Score to track your progress.
The app offers financial education to build confidence in areas such as budgeting, saving, and debt payoff. It also provides tools to help you track your progress towards retirement goals.