Comparison

Radium Payments vs Staax

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

Head to head
About

Radium Payments

This app enables anonymous mobile payments for gratuities using GPS technology. It offers a simple, user-friendly experience for both payers and recipients, allowing for customizable tips without sharing personal information or scanning QR codes.

Highlights
  • Anonymous mobile payments
  • Location-based transactions
  • Customizable tip amounts
  • Instant payment notifications
  • Direct payments to recipients
  • No QR code scanning
Features
Read full description

Welcome to Radium Payments, where we're revolutionizing the world of gratuities in the digital era. Our innovative and patented app leverages mobile GPS technology to enable seamless and anonymous mobile payments. The app is similar to traditional cash payments but without the hassle of scanning QR codes or the need to share personal information. Our commitment to reshaping mobile tipping extends beyond just the transaction process. We've crafted our app with simplicity and user-friendly interactions in mind, ensuring a seamless experience for both payers and recipients. Payers can effortlessly customize their tips while maintaining anonymity, while recipients receive instant notifications and real-time payment tracking. Key Features: **Complete Anonymity** Radium's patented technology ensures complete anonymity with every transaction. Only nearby users can view recipient profiles, while payer profiles remain entirely anonymous. **Generosity On-The-Go** Say goodbye to fumbling for cash or that awkward tipping moment. With Radium, users can easily tip their favorite service providers from anywhere, at any time. **Private Transactions** Never worry about your transactions being shown to other users. All transactions are completely private! **Service Worker Empowerment** Radium cuts out the middleman, ensuring payments go directly to the intended recipient, just like cash. **Instant Payment Notifications** Recipients are instantly notified once they receive a payment, keeping them updated on their financial activity in real-time. **No Monthly Fees** Radium Payments is free to download and use. Join us in expressing generosity effortlessly while on-the-go, whether it's for your favorite valet driver, barista, or street performer. Download Radium Payments today and experience the future of gratuity while maintaining your privacy.

About

Staax

This app allows you to pay and get paid in fractional shares of stock, integrating investing into everyday transactions. You can send friends small amounts of stock as reimbursements, build your portfolio socially, and engage with a community feed of transactions. It offers commission-free trading and fractional shares starting from $1.

Highlights
  • Pay and get paid in stock
  • Fractional share investing
  • Social investing feed
  • Commission-free trading
  • Embed investing into lifestyle
  • Friend portfolio insights
Features
Read full description

Staax lets you pay and get paid in fractional shares of stock for everyday transactions. We make investing in stocks social, and allow you to embed investing into your lifestyle. On Staax you can send your friends as little as $1 of stock for dinner last night, phone bill, or coffee! Start building your portfolio with friends today. INTRODUCING PAYMENTS IN STOCKS: Staax lets you build your portfolio just by getting paid back by your friends. Instead of getting paid back in cash for reimbursements, you can choose to get paid in any of your top five favorite stocks. You can change your mind and swap out for cash as well, if you prefer to receive a different stock or later invest it at a different date. We encourage everyone to focus on the long-term benefits of investing, and contributing to their portfolio in a diverse and frequent way. NO FEES: We take $0 commission on stock / ETF trading and payments. There will be no fees regardless of the dollar ($) amount transacted or invested. FRACTIONAL SHARES: Invest, send and receive as little as $1. Invest in the companies you believe in with fractional shares, without any pressure to buy whole shares of stock. BECOME SOCIAL: Receive access to a rolling feed of real-time transactions that are happening within your community, where you can engage in conversation by “liking” and “commenting”. Check out what stocks people are sending, receiving, and investing in. Follow your friends, and gain insight on their favorite stocks. Directly invest in your friends every time you pay them back, and contribute to their long-term portfolio. Learn to invest in a social environment! EXPLORE: Search for friends, stocks, and ETFs on the explore page. Check out what’s trending, and keep up to date on current events by getting access to in-app news article links. SAFE AND SECURE: At Staax, we’ve got your back, and we hold privacy and security to the highest standards. We use bank-level security, SSL and 256-bit encryption to ensure your information is fully protected. We use Plaid to link your bank accounts, which is a safe and secure way to transfer your funds into Staax. Our brokerage partner Alpaca is a member of FINRA and SIPC, and your account is protected up to $500,000.

Screenshots

Radium Payments4 screens
Staax4 screens

Verdict

The call

The clearest difference is update cadence: Staax at every 8 days against Radium Payments's every 2 months. Staax also leads on iOS requirement (11.0 vs 13.0). Radium Payments's advantage is rating (4.9 vs 4.6) and review sentiment (100% vs 88%). On price, ratings volume, ads 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

Radium Payments holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 9 and 21 respectively. Written reviews point the same way: 100% of Radium Payments's written reviews are positive against 88% of Staax's.

UpkeepUpdate frequency

Radium Payments ships an update every 2 months, Staax every 8 days. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Radium Payments versus Staax: the parameters behind the verdict, then further details
ParameterRadium PaymentsStaax
PriceFreeFree
Rating4.9 (9 ratings) — better4.6 (21 ratings)
Positive reviews100.0% of reviews — better87.5% of reviews
Number of ratings921 — better
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size36 MB59 MB
Age rating17+4+
Developer423 Enterprises LLCParrot Finance, Inc.

Customer experience

Radium Payments

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Staax

All ratings21 ratings
Positive90.5%
Neutral0.0%
Negative9.5%
Written reviews8 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

In-app purchases

None

Radium Payments

No in-app purchases

None

Staax

No in-app purchases

Questions

Is Radium Payments free?
Radium Payments is free to download, with no in-app purchases.
Is Staax free?
Staax is free to download, with no in-app purchases.
Which has better reviews, Radium Payments or Staax?
Radium Payments is rated higher. Radium Payments averages 4.9 out of 5 from 9 ratings, while Staax averages 4.6 from 21 ratings.
Do Radium Payments or Staax have ads?
Neither Radium Payments nor Staax shows ads.
Which is updated more often, Radium Payments or Staax?
Radium Payments ships an update every 2 months, and Staax every 8 days. Most recently, Radium Payments was updated on October 4, 2026 and Staax on October 24, 2026.

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