How we make this list: we compare pricing pages, product documentation and public user reviews. Ratings come from G2, Capterra or Trustpilot, with the date we checked them.
Key takeaways
- Monitoring a partner phone without consent may break the law and app-store rules, and this article does not recommend spyware or secret surveillance.
- The honest path when trust breaks is conversation, transparency both partners agree to, and professional help, not secret tracking.
- Paired, Lasting, and Relish help couples talk through trust issues with guided exercises, while Life360 supports location sharing only when both partners consent.
- Honeydue adds financial transparency for couples who share money, and BetterHelp and Talkspace connect couples with licensed therapists.
- If you feel unsafe in a relationship, contact a local domestic violence helpline or a trusted professional rather than trying to gather evidence alone.
Quick comparison
| Tool | Best for | Starting price | Free plan |
|---|
 Paired | Daily couples exercises | See website | Yes |
 Lasting | Guided relationship therapy | See website | Yes |
 Relish | Personalized relationship coaching | See website | Yes |
 Life360 | Consensual location sharing | Free | Yes |
 Honeydue | Shared money transparency | Free | Yes |
 Gottman Card Decks | Conversation starters | Free | Yes |
 BetterHelp | Online couples therapy | See website | No |
 Talkspace | Online couples therapy | See website | No |
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The best app to catch a cheater
Starting priceSee website
Free planYes
Paired helps couples rebuild trust through daily questions, quizzes, and exercises that both partners complete together. When suspicion has damaged a relationship, structured daily conversation gives both people a safer way to talk about honesty, boundaries, and expectations than arguments that spiral.
Pricing varies by plan and region, so the starting price here is "See website". The key limit is willingness: exercises only help if both partners take part honestly. For couples who both want to rebuild trust, Paired is the best daily starting point.
What we like- Daily questions and exercises for couples
- Covers trust, communication, and intimacy
- Free tier for basic use
Watch out for- Pricing varies by plan and region, so check the app
- Exercises need both partners willing to take part
- Not a substitute for therapy
Starting priceSee website
Free planYes
Lasting offers guided relationship sessions built with relationship researchers, covering trust, conflict, communication, and intimacy in structured programs. For couples working through broken trust, a guided program gives direction that free-form arguing rarely provides.
Pricing varies by plan, so the starting price here is "See website". Results need consistent use over weeks, and Lasting is not a crisis service. For couples who want therapy-based guidance at home, Lasting is a strong pick.
What we like- Therapy-based sessions built with relationship researchers
- Covers trust and conflict
- Guided programs for couples
Watch out for- Pricing varies by plan, so check the app
- Needs consistent use over weeks
- Not a crisis service
Starting priceSee website
Free planYes
Relish pairs couples with a personalized coaching plan and messaging access to a coach, which suits partners who want human guidance without booking traditional therapy sessions. Plans adapt to the couple goals, including rebuilding trust after dishonesty.
Pricing varies by plan, so the starting price here is "See website". Coach quality varies, and both partners must stay engaged for coaching to work. For couples who want a coach in their pocket, Relish is the best coaching option.
What we like- Personalized coaching plans for each couple
- Messaging with a coach
- Covers trust rebuilding and communication
Watch out for- Pricing varies by plan, so check the app
- Coach quality varies
- Needs both partners engaged
Starting priceFree
Free planYes
Life360 is included here only for consensual use: family circles where every member agrees to share location, with arrival alerts and driving safety features. Some couples rebuilding trust agree to temporary, mutual location sharing as a transparency step, and Life360 supports that when both partners choose it freely.
Secretly installing tracking on a partner phone without consent is a different act entirely, and it may break the law and app-store rules. If location sharing becomes a tool of control rather than mutual agreement, it harms trust instead of rebuilding it. For consensual, mutual transparency, Life360 is the best-known option.
What we like- Location sharing only when all members consent
- Family circles with arrival alerts
- Driving safety features
Watch out for- Location sharing must be mutual and agreed, never secret
- Free tier limits some safety features
- Constant tracking can strain trust if used as control
Starting priceFree
Free planYes
Honeydue adds financial transparency for couples who share money, showing joint accounts, bills, and spending in one place. Hidden spending is a common trust issue, and agreed financial visibility can remove a whole category of suspicion without surveillance.
Bank connections vary by institution, and financial transparency only helps when both partners agree to it willingly. For couples whose trust issues involve money, Honeydue is the best transparency tool.
What we like- Shared money visibility for couples
- Joint budgeting and bill tracking
- Free core app
Watch out for- Bank connections vary by institution
- Financial transparency needs both partners willing
- Not a relationship therapy tool
Starting priceFree
Free planYes
Gottman Card Decks, from the Gottman Institute, offers free conversation decks with open-ended questions that help couples talk about trust, dreams, and daily life. When direct conversation feels too hard, a structured question gives both partners a safer starting point than an accusation.
There are no coaching or tracking features, and questions only help when both partners answer honestly. For free, research-based conversation help, Gottman Card Decks is the best no-cost starting point.
What we like- Free conversation decks from relationship researchers
- Open-ended questions for couples
- No account or subscription needed for basic decks
Watch out for- No coaching or tracking features
- Questions need honest answers to help
- Best as a complement to therapy, not a replacement
Starting priceSee website
Free planNo
BetterHelp connects couples with licensed therapists for online sessions by video, phone, or message, with flexible scheduling that suits busy partners. When trust has broken seriously, a licensed therapist can guide conversations that unguided apps cannot safely hold.
Pricing varies by plan and region, so the starting price here is "See website", and therapist fit varies, so couples should switch if the first match feels wrong. For professional help at home, BetterHelp is the largest online therapy option.
What we like- Large network of licensed therapists
- Couples therapy by video, phone, or message
- Flexible scheduling
Watch out for- Pricing varies by plan and region, so check the site
- Therapist fit varies
- Not a crisis service
Starting priceSee website
Free planNo
Talkspace offers couples therapy with licensed therapists through message-based and live sessions, with insurance coverage on some plans. That flexibility suits couples who prefer writing over talking, or who need sessions outside office hours.
Pricing varies by plan and coverage, so the starting price here is "See website". Message therapy suits some couples better than others, so try a live session if messaging feels too slow. For online couples therapy with insurance options, Talkspace is a strong alternative to BetterHelp.
What we like- Licensed therapists for couples
- Message-based and live session options
- Insurance coverage in some plans
Watch out for- Pricing varies by plan and coverage, so check the site
- Message therapy suits some couples better than others
- Not a crisis service
How we chose
We started from a firm rule: this article lists only consensual tools, and it does not recommend spyware, secret phone monitoring, or any app that tracks a partner without their knowledge. Monitoring a partner phone without consent may break the law, including wiretapping and computer-misuse laws that vary by state and country, and it breaks app-store rules that ban secret surveillance apps. We compared relationship apps, transparency tools, and therapy platforms from vendor pages and current guides, and we favored tools that require both partners participation, protect privacy, and connect users with professional help. We left out every spyware and secret-monitoring product, however popular, because recommending them would put readers at legal risk and harm the relationships they hope to save. Prices here come from vendor pages and guides, and they vary by plan and region, so check the app before you pay.
How to handle broken trust safely
Start with safety, then honesty, then help. If you feel unsafe, skip the apps and contact a local domestic violence helpline or a trusted professional first, since gathering evidence alone can escalate danger.
Talk before you track
Tell your partner what you noticed and how it made you feel, using specific observations rather than accusations, and listen to their response before deciding anything. Secret tracking poisons the very trust you hope to rebuild, and evidence gathered secretly rarely fixes a relationship, since the method itself becomes a new betrayal.
Agree transparency together
If both partners want transparency, agree its scope and duration together: what is shared, for how long, and when it ends. Mutual location sharing, shared calendars, or joint money visibility can help when both partners choose them freely and can end them freely. Transparency imposed by one partner is control, not trust.
Get professional help early
Couples therapy helps most when it starts early, before patterns harden. A licensed therapist gives both partners a neutral space to discuss infidelity, dishonesty, or suspicion without the conversation collapsing into blame. If your partner refuses help and the relationship stays unsafe or dishonest, a therapist can also help you decide whether to stay or leave safely. Keep any notes you make in a private place only you can access, and avoid storing sensitive material on a shared device or shared account. If children are involved, a family lawyer or counselor can advise on custody and safety steps before any confrontation.
Frequently asked questions
Is there an app that catches a cheating partner?
No legitimate app secretly catches a partner without their knowledge, and apps that promise to do so are spyware. Secret phone monitoring may break the law and app-store rules, and it harms trust further. The tools in this article help couples rebuild honesty with consent, not spy on each other.
Is it legal to track my partner phone?
In most places, no, not without their consent. Secretly accessing someone phone, messages, or location may violate wiretapping, computer-misuse, and privacy laws that vary by state and country. This article is general information, not legal advice, and you should consult a lawyer before taking any monitoring step.
What should I do if I suspect cheating?
Talk to your partner about what you noticed, using specific observations rather than accusations, and consider couples therapy together. If you feel unsafe, contact a local domestic violence helpline or a trusted professional rather than trying to gather evidence alone.
Can couples apps rebuild trust after cheating?
They can help when both partners want to rebuild and take part honestly, especially alongside therapy. Daily exercises, guided programs, and agreed transparency give structure to hard conversations, but no app alone repairs trust without honest effort from both people.
What is the best free tool for couples trust issues?
Gottman Card Decks is free and research-based for conversation starters, while Paired, Lasting, and Relish offer free tiers for exercises and coaching. Life360 and Honeydue are free for consensual location and money transparency when both partners agree.
Sources we checked (8)
- https://www.paired.com
- https://www.getlasting.com
- https://hellorelish.com
- https://www.life360.com
- https://www.honeydue.com
- https://www.gottman.com
- https://www.betterhelp.com
- https://www.talkspace.com
Is your product missing or out of date?
We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
Shihab Mia · Founder, Rankite
Shihab has 5+ years in B2B and SaaS SEO. He writes Rankite's software buying guides from pricing pages, documentation and public user reviews. More about Shihab.