AddCalculator vs Instant Memo
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
AddCalculator
This utility automatically sums numbers as you input them, streamlining quick calculations. Create custom buttons for frequently used values and review your calculation history. It offers undo/redo functionality and supports two color themes for a personalized experience.
- Automatic addition on number press
- Customizable number buttons
- Calculation history log
- Undo and redo functionality
- Dual color mode support
Read full descriptionHide full description
- Each time you press a number, it automatically adds up, allowing you to calculate the sum quickly. - You can create a button by specifying the number you want. - You can check the history of calculated numbers at any time. - You can undo and redo. - Supports two color modes.
Instant Memo
Read full descriptionHide full description
We stripped away all the complex features to focus only on what truly matters. Quickly and intuitively capture your daily ideas and to-dos with "Quick Memo"! Key Features β’ Fastest Writing & Search: Jot down notes instantly with a clean, clutter-free UI and find them effortlessly using keywords. β’ Custom Note Styles: Customize font size, text color, background color, and borders to suit your taste and improve readability. β’ Home Screen Widgets: Check your most important notes right from your home screen with convenient widgetsβno need to open the app!
Screenshots
Verdict
AddCalculator and Instant Memo are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
AddCalculator ships an update every 5 days, Instant Memo every 4 days. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.
| Parameter | AddCalculator | Instant Memo |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Every 5 days | Every 4 days β better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | β |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.0 | 17.0 |
| Further details β not scored | ||
| Size | 6 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Minseong Kim | joonseo park |
In-app purchases
AddCalculator
No in-app purchases
Instant Memo
No in-app purchases
Questions
Is AddCalculator free?
Is Instant Memo free?
Do AddCalculator or Instant Memo have ads?
Which is updated more often, AddCalculator or Instant Memo?
Other comparisons
