Comparison

Pai vs Relationship Diary

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

Head to head
About

Pai

This app offers a fun way to imagine what your pet is thinking by displaying real-time "subtitles" when you point your camera at them. You can then share these amusing captions with others. It's designed for entertainment and not as a substitute for professional pet advice.

Highlights
  • Real-time "subtitles" for pets
  • Camera-based interpretation
  • Share captions with friends
  • Cat and dog behavior focus
  • Entertainment purposes
Features
Read full description

Ever wondered what your pet might be thinking? Pai – Pet AI Translator brings a playful twist by adding real-time “subtitles” you can read and share with friends and family. ## How to Use Pai 1. Point your camera at your dog, cat, or any animal. 2. Watch live captions appear on screen. Please note: Pai is designed for entertainment purposes only and does not provide actual translations of animal communication. SUBSCRIPTION INFORMATION * THE CAMERA FEATURE REQUIRES A SUBSCRIPTION The subscription will automatically renew unless canceled at least 24 hours before the end of the current billing period. Manage your subscriptions and turn off auto-renewal in Apple Account Settings. DISCLAIMER: Pai is for entertainment purposes only and is not a substitute for professional veterinary advice. If you have any concerns about your pet’s health or behavior, please consult your veterinarian. Terms of Service – https://heypai.app/terms Privacy Policy – https://heypai.app/privacy Support – https://heypai.app/support Contact us – hello@heypai.app

About

Relationship Diary

Features
Read full description

Relationship Diary is the daily companion for couples who want to stay close, have fun, and actually understand each other. DAILY RELATIONSHIP SCORE Answer a few quick questions every day about how you're feeling and how things are going. See your weekly and monthly averages, your argument-free streak, and how your relationship trends over time — together with your partner. SPIN-THE-WHEEL DATE NIGHT Stuck on what to do together? Spin the wheel for a random couple activity, from a cozy movie night to a spontaneous adventure. Unlock the Extreme Wheel for bigger challenges. KNOW EACH OTHER BETTER Take the "How Well Do You Know Each Other?" quiz every week, discover your Love Language together, and compare your answers side by side. SHARED NOTEPAD & BUCKET LIST Leave each other quick notes throughout the day, and build a shared bucket list of trips, dates, and dreams you want to check off together. MEMORIES & CALENDAR Save your favorite moments with photos, track your anniversary and birthdays, and never miss a special day again — we'll remind you. AI-POWERED GIFT IDEAS & MONTHLY REPORT (Premium) Answer a few questions about your partner and get personalized, realistic gift suggestions. Premium members also get a monthly AI-generated relationship report based on their own data. ACHIEVEMENTS Unlock badges as your argument-free streak grows — a fun way to celebrate your progress together. Whether you've been together for a month or a decade, Relationship Diary helps you stay intentional, connected, and a little more playful — every single day.

Screenshots

Pai4 screens
Relationship Diary4 screens

Verdict

The call

The clearest difference is in-app purchases: Relationship Diary at none against Pai's 6. Pai's advantage is ads (none vs shown). On price, 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. Pai sells 6 in-app purchases, starting at $4.99 per 7 days. Relationship Diary asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Pai versus Relationship Diary: the parameters behind the verdict, then further details
ParameterPaiRelationship Diary
PriceFreeFree
Rating5.0 (34 ratings) — better—
Positive reviews94.4% of reviews—
Number of ratings34 — better—
Update frequencyEvery 6 days—
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.6 — better18.5
Further details — not scored
Size239 MB31 MB
Age rating4+17+
DeveloperYixin RenEMIR SULEYMANAGAOGLU

Bugs and requests

Pai

Reported bugs

1 issue
  • Clunky exporting process

Requested features

3 requests
  • Better visualization of text
  • Quick-share to friends
  • Easier exporting

Relationship Diary

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Pai

Subscriptions6
  • Weekly$4.997 Days
  • Pet Translator Weekly$6.997 Days
  • Pet Translator: Cat & Dog Talk$9.991 Month
Show 3 more
  • Pet Translator: Cat & Dog Talk$19.991 Year
  • Pet Translator: Dog & Cat Talk3 Days trial$34.991 Year
  • Pet Translator: Dog & Cat Talk$34.991 Year
None

Relationship Diary

No in-app purchases

Questions

Is Pai free?
Pai is free to download, with in-app purchases available.
Is Relationship Diary free?
Relationship Diary is free to download, with no in-app purchases.
Do Pai or Relationship Diary have ads?
Relationship Diary shows ads; Pai does not.

Other comparisons