Comparison

PairDiary vs Otti

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

Head to head
About

PairDiary

This app provides a private shared journal for couples to document their relationship journey. It allows partners to write entries together, attach secret messages, and view their memories on a shared timeline. Designed for couples of all stages, it offers a secure space to preserve special moments.

Highlights
  • Private shared journal for two
  • Attach secret 'Whispers' to entries
  • Shared relationship timeline
  • Designed for long-distance couples
  • End-to-end private notes
Features
Read full description

PairDiary is the private shared diary for couples — write your relationship journal together, attach secret Whispers to each memory, and watch your love story unfold on a timeline made for two. Your relationship has a story worth keeping. PairDiary is the couple journal where you and your partner write it together, one entry, one whisper, one milestone at a time. SHARED DIARY, JUST FOR TWO One private journal you both write in. No social feed, no algorithm, no sharing buttons. What you put here stays between you and your partner — your own private couples diary. WHISPERS — NOTES BEHIND THE NOTES Attach a private message to any diary entry. A thought you didn't say out loud. Something only your boyfriend, girlfriend, husband, or wife would understand. Whispers turn an ordinary memory into something deeper. YOUR RELATIONSHIP TIMELINE Every entry lands on a shared timeline you can scroll back through together. Anniversaries, first dates, milestones — but also the random Wednesday that was somehow really good. BUILT FOR LONG DISTANCE TOO Across town or across continents, PairDiary keeps your relationship present. Long distance couples use the shared journal to stay close, celebrate anniversaries, and never miss a moment. PRIVATE BY DESIGN Two people. No one else. Your entries aren't analyzed, shared, or surfaced anywhere. End-to-end private notes, just for you and your partner. PERFECT FOR: - Dating couples building their first memories together - Engaged or married partners keeping a relationship journal - Long distance couples staying emotionally connected - Anyone who wants a private diary for two instead of social media WHY COUPLES CHOOSE PAIRDIARY: - Truly private — your shared diary stays between two - Built for partners, not the public - Whispers feature found nowhere else - Beautiful relationship timeline view - Works for new and long-term couples Download PairDiary and invite your partner today. Five years from now, you'll be glad you started writing your love story down. Terms of Use: https://couplespairdiary.web.app/terms Privacy Policy: https://couplespairdiary.web.app/privacy

About

Otti

This app serves as a private digital scrapbook for couples to preserve shared memories. It allows users to save photos, stories, places, and voice notes, creating a timeline of their relationship. Designed for two, it offers a quiet alternative to social media for documenting everyday moments and significant events.

Highlights
  • Shared journal for two
  • Save photos and stories
  • Record voice notes
  • Track places visited
  • Relationship timeline
  • PDF export option
Features
Read full description

Otti is a private memory book for couples. Save the photos, stories, places, and little moments that make up your relationship — all in one shared journal. More intentional than a camera roll. Quieter than social media. Create one named journal, invite your partner, and save everyday moments: first dates, trips, restaurants, anniversaries, inside jokes, long-distance visits, and ordinary days worth keeping. Whether you search for a couples journal, couple diary, dating journal, shared diary, photo journal, or private scrapbook for two, Otti stays focused on one thing: a memory book built for both of you. WHAT YOU CAN SAVE Save the story behind the photo. • Photos • Stories • Places • Voice notes • Dates MADE FOR TWO One journal. Two people. One shared story. No public profile, feed, or audience. Otti is a private couple keepsake — not a single-user diary with a sharing bolt-on. FREE • Unlimited written memories • Shared journal for two • Timeline of your relationship • Places you've been together OTTI PLUS One subscription unlocks Plus for both partners in the shared journal: • Unlimited photo memories • Up to 5 photos per memory • Voice notes on memories • PDF export of your journal FOR COUPLES WHO • Take photos but lose the story around them • Want a simple relationship diary or couple scrapbook • Are dating, engaged, married, or long-distance • Prefer a private shared journal over public posts • Want to remember places you've been together • Want a low-pressure way to collect memories from both sides Because years from now, it won't just be the big trips you'll want to remember. It'll be the little things. Questions: hello@meetotti.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://meetotti.com/privacy

Screenshots

PairDiary4 screens
Otti4 screens

Verdict

The call

The clearest difference is update cadence: Otti at every 4 days against PairDiary's every 3 weeks. PairDiary's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, rating, ratings volume and ads 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. PairDiary sells 2 in-app purchases, starting at $6.99 per month and Otti sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for PairDiary against 5.0 for Otti. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

PairDiary ships an update every 3 weeks, Otti every 4 days. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
PairDiary versus Otti: the parameters behind the verdict, then further details
ParameterPairDiaryOtti
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size110 MB35 MB
Age rating4+4+
DeveloperMohamed amine HniouaKOLADE VICTOR ABOBARIN

Customer experience

PairDiary

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Otti

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

PairDiary

Subscriptions2
  • Monthly$6.991 Month
  • PairDiary Yearly7 Days trial$39.991 Year
2 purchases

Otti

Subscriptions2
  • Otti Plus Monthly$8.991 Month
  • Otti Plus Yearly7 Days trial$59.991 Year

Questions

Is PairDiary free?
PairDiary is free to download, with in-app purchases available.
Is Otti free?
Otti is free to download, with in-app purchases available.
Which has better reviews, PairDiary or Otti?
PairDiary and Otti are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do PairDiary or Otti have ads?
Neither PairDiary nor Otti shows ads.
Which is updated more often, PairDiary or Otti?
PairDiary ships an update every 3 weeks, and Otti every 4 days. Most recently, PairDiary was updated on September 15, 2026 and Otti on September 20, 2026.

Other comparisons