Owll vs Stats Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Owll
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Owllの公式アプリです。 【概要】 ■ アプリ上から24時間いつでも予約が可能 指名予約にも対応しているので担当スタッフのスケジュールを確認してからの予約が可能です。 ■ クーポン お得なクーポンが配信されます。ネット予約時にクーポン利用での予約も可能なので来店時もスムーズに施術頂けます。 ■ スタッフが施術したスタイルを掲載 前もって画像を確認しておけばスムーズなオーダーが可能です。 ■ マイページ機能 予約状況の確認やキャンセルがマイページ上から行えます。スタッフの登録が出来るので前もって担当者を登録しておけばマイページからスムーズな指名予約が可能です。
Stats Calendar
This app allows you to easily log and track events, providing insights into their frequency over time. Customize statistics with lists and graphs to visualize your activity. It also offers quick input for recurring events and integrates with your device's calendar.
- Label and manage calendar events
- Easy event entry with quick input
- View event statistics by label
- Customizable statistical displays
- Link with device calendar
- Display Rokuyou (Japanese calendar system)
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Simple free calendar app. Can display the statistics of registered events, and can also use it as a life log with simple input. The concept is to be able to input events easily. You can see at a glance "How many times did you do this year?", "How many times did you do last month?" Events that are registered many times can be easily registered with quick input. The display of statistics can be freely customized, such as numerical lists, graphs, ranking, etc. Features: - Label your calendar to manage your events. - Select a label and enter an event easily. - Once you have entered an event, long press it for quick entry. - View statistics by label. - The contents of the statistical display can be customized. - Linking with device calendar. - Show Rokuyou <FAQ> - Why is it free? I personally released this app for non-commercial purposes from the beginning in order to improve my skills for my main job. We have also implemented ads, but there is no point unless they are placed in a prominent place, and this makes the app less user-friendly, so we have temporarily stopped displaying them. - Why did develop this? The OS standard calendar is also installed, but - Easily enter events - Look back at the statistics later - Show Rokuyo (even paper calendars are rare these days) started development based on these concepts. - Where is the data stored? Data is only stored on your device. We have not built a dedicated server because of the running costs. The device calendar was initially built in to read holidays, but now it can also be written based on requests. - What are your plans for the future? I continue to use this app myself, so I would like to continue updating it regularly. Please use it if you like it.
Screenshots
Verdict
The clearest difference is update cadence: Stats Calendar at every 3 months against Owll's every 20 months. Owll's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Owll ships an update every 20 months, Stats Calendar every 3 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.
| Parameter | Owll | Stats Calendar |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 20 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 3 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Shinji Kiyoi | Shinji Hayakawa |
In-app purchases
Owll
No in-app purchases
Stats Calendar
No in-app purchases









