Comparison

SupportPay vs BestInterest for Coparents

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

Head to head
About

SupportPay

This app helps families manage shared expenses, bills, and payments. It facilitates transparent financial tracking, communication, and conflict resolution among co-parents, caregivers, and other family members. Securely store records for legal or tax purposes.

Highlights
  • Add multiple families
  • Add unlimited users
  • Bill pay and payment sending
  • Receipt scanning for expense entry
  • Import existing expenses
  • Conflict resolution tools
  • Secure payment options
  • Certified legal records
Features
Read full description

Today, families—caregivers, single, divorced, co-parents, step-parents, pet parents, and multi-generational families—are trying to manage money across multiple households using spreadsheets, texts, emails, and payment apps. It’s overwhelming, time-consuming, and often creates stress, confusion, and conflict. SupportPay changes that. SupportPay is a revolutionary app designed for families to split, track, share & manage expenses, bills, payments, reimbursements, and communication—all in one place. It brings clarity, transparency, and structure to family finances so you can reduce stress, build trust, and strengthen relationships. Trusted by tens of thousands of users, SupportPay is a highly secure platform built to support modern families of all structures—anytime money is shared across households. KEY FEATURES: ADD MULTIPLE FAMILIES Manage multiple relationships and households independently in one app. UNLIMITED FAMILY MEMBERS Add as many family members as needed to share financial responsibilities. MESSAGING & COMMUNICATION Keep all financial conversations in one place. Share updates, ask questions, and stay aligned without stressful texts, emails, or calls. CREDIT BOOST The more money you send and the more frequently you manage shared payments, the greater the opportunity to boost your credit score. All wage garnishments and payments made through SupportPay qualify as a positive credit activity. Opt in now and get free for 3 months. BILL PAY Upload bills and have each family member pay their share directly to the merchant—eliminating reimbursement confusion. EFFORTLESS EXPENSE MANAGEMENT Split, track, and store expenses, receipts, payments, and proof automatically with receipt scanning. IMPORT OLD EXPENSES Easily upload and migrate existing financial data to save time. STREAMLINED CONFLICT RESOLUTION Review, dispute, and resolve financial disagreements with transparency and a clear record. SECURE PAYMENT OPTIONS Send and receive payments via bank or PayPal, while tracking all transactions—including cash, checks, and cards. CUSTOMIZABLE EXPENSE TRACKING Organize expenses by family member, category, or merchant. CERTIFIED LEGAL RECORDS Store, export, and print legally admissible records for court, tax, or personal use. SEAMLESS TRACKING Use SupportPay individually or with other family members for full transparency and automation. ALL-IN-ONE PLATFORM Expenses, payments, messaging, and documents—everything in one place. BENEFITS OF USING SUPPORTPAY: Transparency & Fairness Easily track who owes what and where money is going. Streamlined Communication Centralize financial conversations and reduce misunderstandings. Save Time & Reduce Stress Automate manual tracking, payments, and coordination. Stronger Relationships Reduce conflict and improve trust across households. Organizational Efficiency Keep everything organized in one secure, accessible platform. SupportPay is designed for modern families—whether you’re managing expenses for a loved one, sharing costs with family members, or coordinating finanical care. Download SupportPay today and take control of your family finances—without the stress, conflict, or confusion. DISCLAIMER: SupportPay is an independent application and is not associated with any state or government child support agency. For official child support inquiries, please visit your state agency website.

About

BestInterest for Coparents

This app uses AI to help parents in high-conflict divorce and custody situations de-escalate communication, set boundaries, and protect their peace. It filters messages, suggests calm responses, and provides a secure communication log and journal.

Highlights
  • AI Message Shield filters and neutralizes harmful messages
  • Tone Guardian ensures calm and court-ready outgoing messages
  • Coparent Journal for timestamped and geotagged documentation
  • AI Coparenting Coach for daily personalized guidance
  • Professional Access for lawyers, therapists, and mediators
  • Dedicated secure communication number
Features
Read full description

The co-parenting app for high-conflict divorce & custody. De-escalate conflict, set healthy boundaries, and protect your peace. Featured in WIRED. Endorsed by Dr. Ramani. Nominated for a 2026 Webby Award. "I've seen firsthand the devastating impact toxic communication can have on families. BestInterest is a valuable tool for anyone navigating these challenges." — Dr. Ramani Durvasula, Ph.D., Clinical Psychologist "For the first time in months, I feel at ease and protected. It feels like I have an AI Bodyguard who's got my back, keeping me safe from harassment." — R.S., mother "My ex is a narcissist... This app has saved me so much mental turmoil and stress." — L.Q., father Navigating high-conflict co-parenting and child custody is a source of constant stress, anxiety, and frustration. BestInterest gives you AI-powered tools to proactively stop conflict before it starts — filtering harmful messages before you see them, reviewing your messages before you send them, and keeping everything securely documented and court-ready. BestInterest works even if you're the only one using it. Solo Mode provides immediate relief by filtering all incoming communication through your own dedicated BestInterest number. No court order needed. No agreement from your co-parent. Just immediate protection, on your terms. Message Shield®: Your AI bodyguard. Filters and neutralizes harmful incoming messages before they reach you. Like a spam filter for co-parenting conflict. Tone Guardian®: Reviews every message you send to ensure it's calm, collected, and court-ready before you hit send. Video & voice calls Smart Silence™: Set notification boundaries so your co-parent can't reach you on their schedule. You choose when you're available. Co-Parent Journal: A private, timestamped, geotagged record of key interactions, including notes, images, and location data. Court-admissible Certified Records with a Certificate of Authenticity — verifiable by any attorney or judge via a web browser, no download required. Shared Calendar & Expense Tracking: Manage parenting schedules, custody exchanges, and shared expenses in one transparent, documented place. AI Co-Parenting Coach: Personalized guidance on any co-parenting issue, available 24/7. Free to start, no subscription required. BestInterest is for divorced parents navigating a relationship after divorce or separation — especially if you're dealing with a narcissistic ex, parental alienation, gaslighting, or ongoing legal conflict. BestInterest use a proven communication framework that supports parallel parenting, JADE, BIFF, and Grey Rock to help you set boundaries, minimize conflict, and protect your child's well-being. Whether you're just starting the divorce process, managing ongoing legal abuse, or simply trying to find a more peaceful path — BestInterest will help you get there. Co-parenting apps like OurFamilyWizard, TalkingParents, or AppClose rely on the threat of court reprimand to ensure good behavior, but this is often not enough when emotions run high. BestInterest is the modern solution for all co-parents navigating conflict. Reduce the conflict before court is even needed. BestInterest offers a free version as well as auto-renewing subscriptions. Subscriptions are offered as monthly or annual terms. The exact price and billing period are shown on the purchase screen before you confirm, in your local currency. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription in your Apple ID Account Settings after purchase. Any unused portion of a free trial is forfeited when you purchase a subscription. Terms of Use (EULA): https://bestinterest.app/tos/ Privacy Policy: https://bestinterest.app/privacy-policy/

Screenshots

SupportPay4 screens
BestInterest for Coparents4 screens

Verdict

The call

The clearest difference is rating: SupportPay at 5.0 against BestInterest for Coparents's 4.5. SupportPay also leads on in-app purchases (none vs 12) and review sentiment (77% vs 69%). BestInterest for Coparents's advantage is ratings volume (237 vs 9) and update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. BestInterest for Coparents sells 12 in-app purchases, starting at $9.99 per month. SupportPay asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SupportPay holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: BestInterest for Coparents has 237 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 77% of SupportPay's written reviews are positive against 69% of BestInterest for Coparents's.

UpkeepUpdate frequency

SupportPay ships an update every 3 weeks, BestInterest for Coparents every 10 days. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

Scorecard6 real differences · 4 level
SupportPay versus BestInterest for Coparents: the parameters behind the verdict, then further details
ParameterSupportPayBestInterest for Coparents
PriceFreeFree
Rating5.0 (9 ratings) — better4.5 (237 ratings)
Positive reviews77.0% of reviews — better68.6% of reviews
Number of ratings9237 — better
Update frequencyEvery 3 weeksEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size31 MB123 MB
Age rating4+4+
DeveloperSmart Family Tech, IncBestInterest

Customer experience

SupportPay

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews74 reviews
Positive77.0%
Neutral2.7%
Negative20.3%

BestInterest for Coparents

All ratings237 ratings
Positive86.5%
Neutral3.8%
Negative9.7%
Written reviews51 reviews
Positive68.6%
Neutral9.8%
Negative21.6%

Bugs and requests

SupportPay

Reported bugs

21 issues
  • App deleted all user info
  • No record of payments
  • Cannot see upcoming payments or ex's name
  • Recurring payments stopped working
  • Lost track of expenses
Show 16 more
  • Cannot see payment history
  • Login issues
  • App never loads
  • Non-responsive app
  • Stuck on initial screen
  • Login fail
  • Sales force login loop
  • App doesn't load
  • Cannot upgrade to all features
  • Cannot transfer funds
  • Credit card rejections during signup/upgrade
  • App doesn't recognize paid user status
  • Registration errors
  • Duplicate entry errors
  • Password reset not working
  • Canada zip code issue

Requested features

5 requests
  • Ability to opt out of data sharing
  • Calendar for communicating about upcoming events for children
  • Dark mode option
  • More intuitive UI for certain users
  • Better support for international users

BestInterest for Coparents

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SupportPay

No in-app purchases

12 purchases

BestInterest for Coparents

Subscriptions12
  • Connect14 Days trial$9.991 Month
  • Protect14 Days trial$14.991 Month
  • Protect Plus14 Days trial$29.991 Month
Show 9 more
  • BestInterest Annual$59.991 Year
  • Connect1 Month trial$89.991 Year
  • Connect14 Days trial$99.991 Year
  • Annual Unlimited14 Days trial$129.991 Year
  • Protect1 Month trial$139.991 Year
  • Protect14 Days trial$149.991 Year
  • Annual Family Unlimited$189.991 Year
  • Protect Plus1 Month trial$269.991 Year
  • Protect Plus14 Days trial$299.991 Year

Questions

Is SupportPay free?
SupportPay is free to download, with no in-app purchases.
Is BestInterest for Coparents free?
BestInterest for Coparents is free to download, with in-app purchases available.
Which has better reviews, SupportPay or BestInterest for Coparents?
SupportPay is rated higher. SupportPay averages 5.0 out of 5 from 9 ratings, while BestInterest for Coparents averages 4.5 from 237 ratings.
Do SupportPay or BestInterest for Coparents have ads?
Neither SupportPay nor BestInterest for Coparents shows ads.
Which is updated more often, SupportPay or BestInterest for Coparents?
SupportPay ships an update every 3 weeks, and BestInterest for Coparents every 10 days. Most recently, SupportPay was updated on October 17, 2026 and BestInterest for Coparents on October 18, 2026.

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