Comparison

Summer vs MerciMemo

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

Head to head
About

Summer

Features
Read full description

Summer is a home screen widget for the two of you. Tap a word on your widget, like "Miss you", "On my way" or "Coffee?", and it shows up on your partner's widget with your name and your words. No need to open the app. TAP YOURS, IT SHOWS ON THEIRS • Send a reaction straight from your home screen widget • Their widget updates in moments, showing who sent it and when • Choose the four words you send most LITTLE MOMENTS, SENT LIKE LETTERS • Send a photo with a few words, signed from you • Their latest photo stays on every widget: small, medium and large • Clear and blurred widget styles that sit on any wallpaper A CHAT FOR JUST THE TWO OF YOU • Messages, photos, links and reactions in one place • Notifications arrive with their photo and their words, and you can reply right there • Share photos and links from other apps with the share sheet DAYS TOGETHER • Your day count from the day you started, on the widget and in the app • Every 100 days, every year and both birthdays, counted for you • Add your own dates. Your partner sees them too, and Summer reminds you before the day JUST THE TWO OF YOU • No sign-up: pair with a one-time invite code • Profile photos you can set for yourself or for each other • Ending a connection deletes your shared history HOW IT WORKS 1. Set the day you started and send your partner an invite code 2. They join with the code 3. Add the Summer widget and tap Summer requires iOS 26 or later. Questions or ideas? Write to trilliwon@gmail.com

About

MerciMemo

Features
Read full description

MerciMemo helps you keep track of everyone you want to thank. Add people, note key dates or events, and plan exactly when and how to express your gratitude—so you never miss a moment to say “thank you.”

Screenshots

Summer4 screens
MerciMemo4 screens

Verdict

The call

The clearest difference is ads: Summer at none against MerciMemo's shown. MerciMemo's advantage is update cadence (every 3 days vs every 5 months) and device support (3 vs 1). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Summer ships an update every 5 months, MerciMemo every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 2 level
Summer versus MerciMemo: the parameters behind the verdict, then further details
ParameterSummerMerciMemo
PriceFreeFree
Update frequencyEvery 5 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.6 — better
Further details — not scored
Size31 MB71 MB
Age rating4+4+
DeveloperTRILLIWON, Co.Hiroki Kijima

In-app purchases

None

Summer

No in-app purchases

None

MerciMemo

No in-app purchases

Questions

Is Summer free?
Summer is free to download, with no in-app purchases.
Is MerciMemo free?
MerciMemo is free to download, with no in-app purchases.
Do Summer or MerciMemo have ads?
MerciMemo shows ads; Summer does not.
Which is updated more often, Summer or MerciMemo?
Summer ships an update every 5 months, and MerciMemo every 3 days. Most recently, Summer was updated on October 30, 2026 and MerciMemo on October 25, 2026.

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