Overview

BestInterest is a co-parenting app for separated parents who want one place for communication, schedules, expenses and parenting records. It is particularly suited to parents navigating tense exchanges, and Solo Mode makes it usable even if the other parent will not join. Its strongest case is the combination of communication coaching and practical coordination; paid tiers matter if you need call time, reports or the more active message safeguards.

Key features

Communication and coaching

Message Shield filters harmful language before a recipient reads a message, while retaining the original; Tone Guardian offers a calmer rewrite of a draft before it is sent. Both are included in Protect and Protect Plus, not Connect. Free includes secure messaging and three coaching sessions per day, rising to six on Connect and unlimited coaching on Protect. That makes Free useful for occasional guidance, while frequent users or parents seeking the filtering tools need a paid tier.

In-app audio and video calling supports direct conversation, but outgoing minutes are tightly tiered below Protect Plus: Connect allows 45 minutes per month, capped at 15 minutes per call; Protect allows 200 minutes per month, capped at 60 minutes per call. Protect Plus removes the outgoing-minute allowance and adds voicemail, recording and transcription for supported calls. Recording is therefore a specific reason to choose the top plan, not a feature to assume comes with every call tier.

Coordination and records

A shared custody calendar, schedule changes, tasks, expense tracking and receipt handling bring routine logistics together. Free already includes the calendar, tasks and expense tracking, as well as data exports, so parents who mainly need organization can start without a subscription. Supported records can be exported as CSV; Connect and higher plans add structured PDF Verified Reports. A report does not guarantee admissibility: that depends on the facts and jurisdiction.

Solo Mode offers coaching, organization and documentation without requiring the other parent to participate, a meaningful distinction for a parent who cannot establish a shared workflow. Journal entries, Coach conversations and unsent drafts are private from the co-parent; sent or deliberately shared content is visible. The privacy policy describes administrative, technical and organizational safeguards but does not promise absolute security. It also says the service uses Google Analytics and Firebase Analytics; mobile users can disable usage-data collection in Privacy Options. Google and Meta advertising measurement services are also described.

Pricing

The Free plan costs 0.00 USD per free, with no expiration. It includes secure messaging, Solo Mode, three coaching sessions per day, inbound calls, the shared calendar, tasks, expense tracking, a private journal and data exports. It is the sensible starting point for one-parent use or basic coordination, but it lacks outgoing-call minutes and the paid tiers' report allowances.

Connect costs 9.99 USD per month or $99.99/year and includes a 2-week free trial. It raises coaching to six sessions per day, adds 45 outgoing call minutes monthly with a 15-minute per-call cap, up to 10 Verified Reports monthly, Boundary Line and uploads. Choose it when a modest call allowance and a limited set of structured reports are enough; it does not include Message Shield or Tone Guardian.

Protect costs 14.99 USD per month or $149.99/year, with a 2-week free trial. It adds Message Shield, Tone Guardian, Smart Silence and Emergency Detection, unlimited coaching, 200 outgoing call minutes monthly with a 60-minute per-call cap, and unlimited Verified Reports. For parents who need the message safeguards or regular reporting, the step up from Connect buys substantially more than additional call time.

Protect Plus costs 29.99 USD per month or $299.99/year, with a 2-week free trial. It includes unlimited outgoing calling, voicemail, call recording and transcription, and unlimited Verified Reports. It is for users who need those call features; otherwise, Protect retains unlimited coaching and reports at a lower price. Paid plans offer monthly and annual terms, so compare the annual commitment against the monthly rate before choosing.

Platforms

BestInterest is available on Android, iOS and the web, giving co-parents access across mobile and browser use. Support includes FAQs, help articles, contact support, troubleshooting and service status.

Who it's for

BestInterest is a strong fit for separated parents who want shared scheduling and expense records alongside tools intended to reduce friction in difficult messages. Solo Mode broadens its value to a parent organizing independently. It is less compelling for teams seeking a general-purpose family or project tool, or for users who only need basic scheduling and do not need the communication, records or call features.

Pros and cons

Pros: Solo Mode makes coaching and organization useful without the other parent joining.
Pros: The free tier includes core calendar, task, expense and export functions, not just a time-limited trial.
Pros: Protect combines message safeguards, unlimited coaching and unlimited Verified Reports, aligning its higher price with intensive use.
Cons: Free has no outgoing-call allowance, and Connect and Protect impose monthly and per-call caps.
Cons: Message Shield and Tone Guardian start at Protect, so the less expensive paid tier does not address those needs.
Cons: Verified Reports do not assure court admissibility, and the privacy policy disclaims absolute security.

Alternatives

Co-Parenting Apps is the broader category to compare if BestInterest's mix of coaching, calls and documentation is not the right fit.

AppClose is worth comparing if a fee-waiver account for financial hardship or domestic-violence survivors is important; it also has a free plan.
CoreParent is an alternative with a free plan and options for attorneys and mediators, as well as a free tier with capped expenses and court-related features.
Custody X Change offers a limited free version and supports Android, iOS, macOS, web and Windows, but has no free trial.
CustodyTrac is a free-forever option with all features for both parents and no per-parent fees.
Truece is another freemium option, with a free Basic plan and Android and iOS apps.
Family Focus has a free plan, a free trial and a 7.99 USD per month Premium plan for Android and iOS.
2houses may suit families preferring one annual subscription for the whole family; it costs 8.25 USD per month, billed $99.00 billed every 12 months.
CoParentTalk is a paid alternative at 6.99 USD per month per parent, with secure messaging, a shared calendar, basic expense logging and a 1 GB document vault.

Verdict

Choose BestInterest if co-parenting communication is as important as calendars and expenses, especially when one parent needs to start alone or messages need extra de-escalation support. Its free tier covers useful coordination basics, while Protect is the clearest fit for regular reports and message safeguards. Look elsewhere if you need guaranteed court acceptance, a different platform mix or do not want the paid call limits and tier distinctions.

	BestInterest	Harbor
Free plan	Yes	No
Free trial	Yes	Yes
Paid from	$9.99/mo	$4.17/mo
Open source	No	No
Platforms	Android, iOS, Web	Android, iOS, Web
Free plan	Yes	No
Paid from	9.99 /mo	—
Expense tracking	Yes	Yes
Document storage	Yes	Yes
Court reports	advanced	basic
Payment processing	Yes	No
Video calling	Yes	—
Calendar sync	—	Yes

BestInterest vs Harbor

BestInterest

Harbor