Comparison

Shared Diary vs Sobani

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

Head to head
About

Shared Diary

Features
Read full description

[Overview] This is a diary app that lets you share your days with people you care about. Here are some ways you can use it: * Jot down your thoughts and feelings as a personal diary * Share your daily life with close friends or your partner * Talk about your day with your child * Use it with your spouse to share little thingsβ€”like gratitude, happy moments, or updates about the kids * Use it in a small team to keep track of daily work or share reports Once you get into the habit of writing a diary, you start noticing more things around you. It helps you become more aware of the little joys in everyday life, and it also strengthens your ability to express your thoughts in words. Being able to put your feelings and ideas into words boosts your communication skills, which can really help in your relationshipsβ€”at school, work, or at home. If reading this made you think, "Maybe I’ll give diary writing a try," we’re happy to hear it. Even writing just 20 or 30 characters a day is totally fine. And honestly, you don’t even need to use this appβ€”we just hope it encourages you to start. [Recommended for people who] * Want a simple, easy-to-use diary app * Want to build a daily writing habit * Feel shy about expressing feelings out loud * Want to do a shared/partner diary * Don’t want to exchange LINE but still want a casual way to communicate in text Term of service(EULAοΌ‰: https://originate-aster.co.jp/shared-diary/terms privacy policy: https://originate-aster.co.jp/privacy-policy/

About

Sobani

Features
Read full description

A gentle record-keeping notebook for caring for an aging parent. Caring for an elderly parent often means scattered notes, a bulging medication book, and a stack of hospital receipts. Sobani brings it all into one quiet, dignified place β€” designed for people in their 40s and 50s who care for a parent. A friendly turtle mascot named Kameji watches over your records, reminding you that you don't have to carry it all alone. KEY FEATURES Hospital Visits Log doctor visits with one tap β€” clinic, department, symptoms, prescriptions, and the doctor's notes. Attach a photo of the prescription or chart. Schedule the next appointment so it doesn't slip your mind. Visit Prep Checklist Choose from 20 general prompts covering changes, medications, daily life, family sharing, and next steps. Add selected prompts directly to a visit note to reduce forgotten questions. Five prompts are free; Sobani Pro unlocks all 20. Medication Reminders Add medications with multiple daily times. Sobani sends gentle reminders so doses aren't missed. Track end dates for time-limited prescriptions. Vitals Log Record blood pressure, temperature, pulse, weight, plus daily appetite, sleep quality, and bowel status. A simple, comprehensive record you can flip back to any time. 7-Day Care Summary See recent visit, vitals, and diary activity on the home screen, with gentle prompts for what to record next. Caregiver's Diary Write a single sentence about today, attach a photo, and choose a mood (heavy, fair, warm, or glad). It's a gentle space for your own feelings, not just your parent's record. Parent Profile One page for your parent's name, age, conditions, primary doctor, and clinic contact β€” useful for sharing with a sibling, a care manager, or in an emergency. SOBANI PRO (one-time purchase) All 20 Visit Prep Prompts β€” Add useful question templates directly to your visit notes before an appointment. PDF Export β€” Export visits, vitals, diary entries, and photo-backed notes as a clean PDF to share with care managers or doctors. Sobani Pro is a one-time purchase. There are no subscriptions and no auto-renewal β€” buy it once and it's yours. WHO IT'S FOR - Adults whose elderly parent's care has just begun - Family members worried about missed medications - Siblings who want to share information - Anyone preparing notes for a doctor or care manager - Caregivers who want a space for their own daily feelings Today, you've done enough. ---- - Privacy Policy: https://starcrown.co.jp/privacy - Terms of Service: https://starcrown.co.jp/legal - Support: https://starcrown.co.jp/support - Contact: w-yonamine@starcrown.co.jp

Screenshots

Shared Diary4 screens
Sobani4 screens

Verdict

The call

The clearest difference is ads: Sobani at none against Shared Diary's shown. Sobani also leads on update cadence (every 3 days vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Shared Diary sells 1 in-app purchase, starting at $2.99 per month and Sobani sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Shared Diary ships an update fortnightly, Sobani every 3 days. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

Scorecard2 real differences Β· 4 level
Shared Diary versus Sobani: the parameters behind the verdict, then further details
ParameterShared DiarySobani
PriceFreeFree
Update frequencyFortnightlyEvery 3 days β€” better
AdsYesNo β€” better
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS16.0 β€” better17.0
Further details β€” not scored
Size41 MB22 MB
Age rating4+4+
DeveloperOriginate Aster, Inc.Starcrown Inc

In-app purchases

1 purchases

Shared Diary

Subscriptions1
  • Proプラン(1γ‹ζœˆι–“)$2.991 Month
4 purchases

Sobani

One-time4
  • Sobani Tea Tip$0.99
  • Sobani Bento Tip$1.99
  • Sobani Pro$3.99
Show 1 more
  • Sobani Flowers Tip$5.99

Questions

Is Shared Diary free?
Shared Diary is free to download, with in-app purchases available.
Is Sobani free?
Sobani is free to download, with in-app purchases available.
Do Shared Diary or Sobani have ads?
Shared Diary shows ads; Sobani does not.
Which is updated more often, Shared Diary or Sobani?
Shared Diary ships an update fortnightly, and Sobani every 3 days. Most recently, Shared Diary was updated on October 10, 2026 and Sobani on October 7, 2026.

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