MemoCal Plus vs Lirum Device Info
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MemoCal Plus
This calendar app allows you to add handwritten notes, photos, and text directly to your schedule. Customize backgrounds, use various pen colors and icons, and even take photos within the app for diaries. It supports multiple languages and offers an undo function for edits.
- Handwritten memos
- Photo integration
- Text input with tags
- Customizable backgrounds
- Multiple pen colors and icons
- Undo function
Read full descriptionHide full description
MemoCal Plus is a simple calendar app that lets you save your schedule and notes by handwriting on iPad. Just like writing on a paper calendar, you can freely keep plans, daily notes, family records, travel memories, meal logs, childcare notes, and more. View the monthly calendar on a wide screen, tap a date to enlarge it, and write directly with a pen or your finger. It feels familiar and simple, like writing on a paper calendar. You can also place photos, enter text with sticky notes, and decorate your calendar with icons and wallpapers. MemoCal Plus is not just an app for managing schedules. It is a calendar for keeping small moments from everyday life in your own way. Main features - Handwritten notes on a monthly calendar - Tap a date to open a larger writing area - Handwriting with a pen or finger - Place, resize, rotate, and arrange photos - Set photos as backgrounds - Text entry with sticky notes - More than 100 icons - Change background colors - Original wallpaper designs - Undo function - Pen color, pen size, and eraser size settings - Share and save calendar and handwriting screens Recommended for - People who like writing on paper calendars - People who want to keep handwritten schedules and notes - Families who want to record plans and daily events - People who want to save memories with photos - People who want to keep childcare, meal, or travel records - Anyone looking for a simple, intuitive calendar app Supported holiday calendars MemoCal Plus supports holidays for Japan, the US, Canada, Brazil, the UK, France, Italy, Germany, Spain, Australia, South Korea, and more. You can also turn off holiday display.
Lirum Device Info
Monitor real-time system activity and view detailed device specifications using public APIs. Track CPU, memory, battery, and live sensor data. Access published specs like dimensions and display resolution.
- Real-time CPU and memory usage
- Battery level and charging state
- Live sensor data (accelerometer, gyroscope, etc.)
- Location readouts with accuracy
- Bluetooth LE advertisement info
- Detailed device specifications
Read full descriptionHide full description
Lirum Device Info shows real‑time system activity and published device specifications using Apple’s public APIs. What you can see CPU activity and memory usage (system‑wide, approximate). Battery level & charging state (from iOS). Live sensors: accelerometer, gyroscope, magnetometer, barometer. Location readouts with accuracy and altitude (permission required). Bluetooth LE: nearby advertisement info (name/UUID/RSSI). Device specs: dimensions, weight, display resolution, wireless bands, and environmental limits, sourced from Apple’s Tech Specs for each model. What we intentionally don’t do: No diagnostics or hardware health assessments. No battery wear/voltage/cycle count and no time‑remaining estimates. No memory “optimizers” or performance‑boosting claims. Frameworks used: UIKit (UIDevice battery level/state), Foundation (ProcessInfo thermal & Low Power Mode), Core Motion, Core Location, and Core Bluetooth. Privacy: Sensor and network data are shown on‑device only. Location is used solely to display location/accuracy and is not stored or sent anywhere.
Screenshots
Verdict
The clearest difference is price: MemoCal Plus at $3.99 against Lirum Device Info's $299.99. MemoCal Plus also leads on review sentiment (66% vs 52%) and iOS requirement (13.0 vs 17.6). Lirum Device Info's advantage is update cadence (every 4 weeks vs every 4 months). On rating, ratings volume, ads 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
MemoCal Plus costs $3.99 and Lirum Device Info $299.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.3 for MemoCal Plus against 4.2 for Lirum Device Info. Both are backed by a comparable volume of ratings — 23 and 13 respectively. Written reviews are what separate them: 66% of MemoCal Plus's written reviews are positive against 52% of Lirum Device Info's.
MemoCal Plus ships an update every 4 months, Lirum Device Info every 4 weeks. Both last shipped on November 10, 2026.
| Parameter | MemoCal Plus | Lirum Device Info |
|---|---|---|
| Price | $3.99 — better | $299.99 |
| Rating | 4.3 (23 ratings) — better | 4.2 (13 ratings) |
| Positive reviews | 66.4% of reviews — better | 52.0% of reviews |
| Number of ratings | 23 — better | 13 |
| Update frequency | Every 4 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 12 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | 株式会社HARISH | Lirum Labs Technologies Inc. |
Customer experience
MemoCal Plus
Lirum Device Info
Bugs and requests
MemoCal Plus
Not enough reviews yet to summarise bugs or requests.
Lirum Device Info
Reported bugs
3 issues- Unable to detect newer iPhone and iPad models
- Paid version lacks features compared to free version
- Crashes and freezes on some devices
Requested features
3 requests- Update database for latest iPhone and iPad models
- Add support for iOS 12 and newer
- Improve app stability and performance
In-app purchases
MemoCal Plus
No in-app purchases
Lirum Device Info
No in-app purchases
Questions
Is MemoCal Plus free?
Is Lirum Device Info free?
Which has better reviews, MemoCal Plus or Lirum Device Info?
Do MemoCal Plus or Lirum Device Info have ads?
Which is updated more often, MemoCal Plus or Lirum Device Info?
Other comparisons















