Comparison

Alt Viewer vs yottey(ヨッティ)：日めくりカレンダー

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

Head to head

yottey(ヨッティ)：日めくりカレンダー

Free

🔧 Utilities

No ratingsView app →

About

Alt Viewer

Features

Read full description

IMG画像タグのalt属性による説明を手軽に確認したり、コピーすることができます。

About

yottey(ヨッティ)：日めくりカレンダー

This app functions as a digital daily calendar, clearly displaying the current date and scheduled events. It was developed to assist individuals experiencing "time orientation disorder," a symptom often seen in the early stages of dementia, helping them track dates, days, and times.

Highlights

Daily calendar display
Event scheduling
Assists with time orientation disorder
Clear date and time visibility
Designed for dementia support

Features

Read full description

「yottey」は、今日の日付やその日の予定をわかりやすく表示する、日めくりカレンダーアプリです。認知症の初期段階から認められる、日付、曜日や時刻が分からなくなる「時間見当識障害」を支援する目的で開発されました。

Screenshots

Alt Viewer1 screens

yottey(ヨッティ)：日めくりカレンダー4 screens

Verdict

The call

The clearest difference is in-app purchases: Alt Viewer at none against yottey(ヨッティ)：日めくりカレンダー's 1. yottey(ヨッティ)：日めくりカレンダー's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support 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. yottey(ヨッティ)：日めくりカレンダー sells 1 in-app purchase, starting at $1.99 per month. Alt Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

Alt Viewer ships an update every 3 months, yottey(ヨッティ)：日めくりカレンダー every 5 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 6 level

Alt Viewer versus yottey(ヨッティ)：日めくりカレンダー: the parameters behind the verdict, then further details
Parameter	Alt Viewer	yottey(ヨッティ)：日めくりカレンダー
Price	Free	Free
Positive reviews	—	66.7% of reviews
Update frequency	Every 3 months — better	Every 5 months
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free with in-app purchases
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	13.0 — better
Further details — not scored
Size	2 MB	83 MB
Age rating	4+	4+
Developer	COMMUNICATION BUSINESS AVENUE INC.	SOFT DEVICE INC.

In-app purchases

None

Alt Viewer

No in-app purchases

1 purchases

yottey(ヨッティ)：日めくりカレンダー

Subscriptions1

1ヶ月自動更新$1.991 Month

Questions

Is Alt Viewer free?

Alt Viewer is free to download, with no in-app purchases.

Is yottey(ヨッティ)：日めくりカレンダー free?

yottey(ヨッティ)：日めくりカレンダー is free to download, with in-app purchases available.

Do Alt Viewer or yottey(ヨッティ)：日めくりカレンダー have ads?

Neither Alt Viewer nor yottey(ヨッティ)：日めくりカレンダー shows ads.

Which is updated more often, Alt Viewer or yottey(ヨッティ)：日めくりカレンダー?

Alt Viewer ships an update every 3 months, and yottey(ヨッティ)：日めくりカレンダー every 5 months. Most recently, Alt Viewer was updated on October 27, 2026 and yottey(ヨッティ)：日めくりカレンダー on October 30, 2026.