Calmo vs noteSUM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calmo
This app combines a calculator with note-taking capabilities, allowing users to create formulas, aggregate values, and sum them up. It offers a convenient interface for building tables with easy keyboard navigation and adjustable item positioning.
- Integrated calculator and notes
- Formula creation and calculation
- Value aggregation and summation
- Easy table creation
- Keyboard navigation
- Adjustable item positioning
Read full descriptionHide full description
Calmo is an app that combines a calculator and a note. With the calculator you can create formulas and calculate, or you can aggregate all the values and get the sum of them. You can quickly move from one item to the next from the keyboard, adjust the position of the items to match the keyboard, and more, making it easy and convenient to create tables.
noteSUM
Read full descriptionHide full description
noteSUM is an application that automatically calculates the sum of numerical values entered in a text. You can manage bank balances, total weight, total number of points, etc. by entering them all as single text without having to separate the numerical values from the note. Examples of use: - Credit card usage records - Household account book - Estimates - Salary calculation - Shopping - Pocketbook - Budget - Inventory management - Stock prices, etc. It also numbers extracted from notes are listed, and you can choose to include or exclude them from the total for each number. Other functions: - Record history of notes - Register favorite notes - Text sharing - Setting not to include the date number in the totalizer
Screenshots
Verdict
The clearest difference is in-app purchases: Calmo at none against noteSUM's 3. On price, update cadence, 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
Both are free to download. noteSUM sells 3 one-off in-app purchases. Calmo asks for nothing beyond the download.
Calmo ships an update every 3 weeks, noteSUM monthly. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.
| Parameter | Calmo | noteSUM |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 20 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Hiroki Oka | Kazuhiro Sawamura |
In-app purchases
Calmo
No in-app purchases
noteSUM
- Number of History records$0.99
- Number of Favorites$0.99
- Hide Ads$2.99
