Diary Notes vs Data Display
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Diary Notes
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β― Use it like a memo pad to keep a diary - You don't have to write in your diary every day because no one will see it! - Includes photo, video, and recording functions. Tweet as much as you like. β― Minimize complex operations and select only essential features - We've created a simple design to avoid complicated operations. - The app is intuitive and easy to use, so anyone can enjoy it. β― Easily write down your everyday feelings - For those who just want to jot down their current feelings. - For those who want to organize their thoughts. - For those who want to vent their stress.
Data Display
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Data Display Organize and view all kinds of data from your iPhone or iPad at a glance! The core features are free to use, and with a subscription or an Apple Music account, you can also display weather and music information directly on the screen. Key Features β’ Create multiple screens and switch between them with a simple tap β’ Automatically adjusts the display for portrait and landscape orientations β’ Show or hide items on each screen for a personalized layout β’ Sensor and location data are regularly updated to provide the latest information β’ Quickly switch screens to access the data you need β’ Weather information is available with an in-app subscription β’ Music information requires an active Apple Music subscription Basic Usage β’ Tap the βListβ tab β’ Tap the β+β button to add a new item, or tap an existing item to edit β’ Set the name and icon on the itemβs detail screen β’ Choose the number of rows and columns to display on βMain1β3β screens β’ Select which items to show from the category list and turn off the ones you donβt want β’ Changes are automatically saved when you return to the main screen Main Data You Can Display β’ System Information: Battery level, date/time, display mode (Light/Dark/Auto), device orientation, voice guidance, network status, brightness, memory usage, etc. β’ Location Information: Latitude/longitude, speed, altitude, heading, reverse geocoding, GPS elapsed time, graph display, etc. β’ Weather Information (subscription required): Temperature, humidity, rainfall, sunrise/sunset times, forecast, wind speed/direction, sunlight level, etc. β’ Route Guidance: Multiple destinations, estimated arrival times, route selection, highways/toll roads, Apple Maps integration, voice guidance, etc. β’ Map Display: Current or custom location maps, standard/satellite/hybrid views, zoom, north-fixed orientation, route target display, etc. β’ Music Information (Apple Music required): Title, album, artist, playback status, cover art, play/pause/skip controls, shuffle registration from recently added Apple Music tracks, etc. Recommended For β’ Users who want to organize all their iPhone/iPad data on a single screen β’ Users who need to view multiple types of data simultaneously β’ Users who want a fully customizable information display β’ Users who want to combine weather or music information with other data Note: If you upgrade to a higher subscription plan, any requests you have already used during the current month will count toward the new plan's monthly limit. Requires iOS 17.6 or later. Terms of Use (EULA): https://masakiapp.seesaa.net/article/EULA.html
Screenshots
Verdict
The clearest difference is iOS requirement: Data Display at 18.6 against Diary Notes's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Diary Notes sells 1 in-app purchase, starting at $0.99 per month and Data Display sells 3 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.
Diary Notes ships an update every 4 days, Data Display weekly. The most recent releases landed on September 7, 2026 and September 24, 2026 respectively.
| Parameter | Diary Notes | Data Display |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days β better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 18.6 β better |
| Further details β not scored | ||
| Size | 173 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | tadahiro mori | masaki individual |
In-app purchases
Diary Notes
- ζι‘γγ©γ³$0.991 Month
Data Display
- 10,000 Monthly Requests7 Days trial$0.491 Month
- 20,000 Monthly Requests3 Days trial$3.991 Month
- 30,000 Monthly Requests3 Days trial$5.991 Month
Questions
Is Diary Notes free?
Is Data Display free?
Do Diary Notes or Data Display have ads?
Which is updated more often, Diary Notes or Data Display?
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