Comparison

SHIMA vs Simple ToDo Diary

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

Head to head
About

SHIMA

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SHIMA(シマ)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。スタイリスト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。又、マイページにお気に入りのヘアカタログを登録出来るので来店時に画像を見せるだけでイメージを伝えることが出来るので安心。

About

Simple ToDo Diary

Features
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Simple ToDo Diary is an easy-to-use app for managing daily tasks and notes. You can write quick memos, manage your to-do list, and check off completed tasks. It also works as a light daily diary to record small moments. Designed to be simple, clean, and stress-free for everyday use.

Screenshots

SHIMA2 screens
Simple ToDo Diary3 screens

Verdict

The call

The clearest difference is in-app purchases: SHIMA at none against Simple ToDo Diary's 1. SHIMA also leads on iOS requirement (13.0 vs 18.6). Simple ToDo Diary's advantage is update cadence (daily vs every 15 months). On price, 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. Simple ToDo Diary sells 1 one-off in-app purchase. SHIMA asks for nothing beyond the download.

UpkeepUpdate frequency

SHIMA ships an update every 15 months, Simple ToDo Diary daily. The most recent releases landed on October 17, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 3 level
SHIMA versus Simple ToDo Diary: the parameters behind the verdict, then further details
ParameterSHIMASimple ToDo Diary
PriceFreeFree
Update frequencyEvery 15 monthsDaily — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better18.6
Further details — not scored
Size3 MB4 MB
Age rating4+4+
Developershingo kameiKazuya Hashimoto

In-app purchases

None

SHIMA

No in-app purchases

1 purchases

Simple ToDo Diary

One-time1
  • 広告を非表示にする$1.99

Questions

Is SHIMA free?
SHIMA is free to download, with no in-app purchases.
Is Simple ToDo Diary free?
Simple ToDo Diary is free to download, with in-app purchases available.
Do SHIMA or Simple ToDo Diary have ads?
Neither SHIMA nor Simple ToDo Diary shows ads.
Which is updated more often, SHIMA or Simple ToDo Diary?
SHIMA ships an update every 15 months, and Simple ToDo Diary daily. Most recently, SHIMA was updated on October 17, 2026 and Simple ToDo Diary on November 9, 2026.

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