# SupportPay vs BestInterest for Coparents

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.

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.

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.

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.

## The numbers

| Metric | SupportPay | BestInterest for Coparents |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/supportpay-split-expenses/id808332758/reviews)** | [4.5 (237 ratings)](https://appshunter.io/ios/app/bestinterest-for-coparents/id6503981502/reviews) |
| Number of ratings | 9 | **237** |
| Positive reviews | **77.0% of reviews** | 68.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 123 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Family Tech, Inc](https://appshunter.io/developer/808332761) | [BestInterest](https://appshunter.io/developer/1750561807) |

## What reviewers say

### SupportPay

[App page](https://appshunter.io/ios/app/supportpay-split-expenses/id808332758)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and navigate
- 🤝 Reduces arguments and stress
- 🏠 Centralizes shared expenses
- 🚀 Credit score boost feature
- 👨‍👩‍👧‍👦 Great for co-parenting

**What reviewers complain about**

- 🐛 App deleted user info
- 🐛 No record of payments
- 🐛 Cannot see upcoming payments or ex's name
- 🐛 Poor support response
- 💰 Premium subscription needed for recurring payments

**Reported bugs**

- 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

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/bestinterest-for-coparents/id6503981502)

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:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Connect | $9.99 | per month |
| Protect | $14.99 | per month |
| Protect Plus | $29.99 | per month |
| BestInterest Annual | $59.99 | per year |
| Connect | $89.99 | per year |
| Connect | $99.99 | per year |
| Annual Unlimited | $129.99 | per year |
| Protect | $139.99 | per year |
| Protect | $149.99 | per year |
| Annual Family Unlimited | $189.99 | per year |
| Protect Plus | $269.99 | per year |
| Protect Plus | $299.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*