Simple vs PhotoToDo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple
This application offers a straightforward tool for converting units and performing calculations. It combines both functions for user convenience, making it ideal for everyday tasks rather than highly specialized professional use.
- Unit conversion
- Calculator functionality
- Combined converter and calculator
- Easy to use interface
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Easy and simple unit conversion calculator. Converter and calculator are mixed for convenience. *This is not for a highly specialized job.
PhotoToDo
A simple to-do list app that allows you to display only the necessary items. You can add images, dates, times, notes, and flags to your tasks. It supports dark mode and allows for three separate to-do lists.
- Display only necessary items
- Add images and photos
- Include dates and times
- Add notes and flags
- Three separate to-do lists
- Dark mode support
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必要な項目のみ表示することができるシンプルなToDoアプリです。 現在ToDoに表示できる項目 ・画像、写真（拡大表示可能です） ・日付 ・時間 ・メモ ・フラグ 全て表示をOFFにすると、よりシンプルなToDoとしても使えます。 ToDoリストは3つ作成可能！タブで簡単に切り替えできます。 用途に応じて使い分け可能です。 ダークモードに対応しています。
Screenshots
Verdict
The clearest difference is ads: Simple at none against PhotoToDo's shown. Simple also leads on monetization model (free vs ad-supported) and iOS requirement (9.0 vs 15.4). On price, review sentiment, update cadence 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Simple ships an update every 6 months, PhotoToDo every 5 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Simple | PhotoToDo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months | Every 5 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 32 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | KENTA OKAMURA | maya semasa |
Customer experience
Simple
PhotoToDo
In-app purchases
Simple
No in-app purchases
PhotoToDo
No in-app purchases
