# AddNotes vs noteSUM

The clearest difference is update cadence: AddNotes at every 10 days against noteSUM's monthly. noteSUM's advantage is iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AddNotes sells 2 in-app purchases, starting at $2.99 per month and noteSUM sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AddNotes ships an update every 10 days, noteSUM monthly. The most recent releases landed on September 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | AddNotes | noteSUM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (365 ratings)](https://appshunter.io/ios/app/addnotes/id1254890578/reviews)** | — |
| Number of ratings | **365** | — |
| Positive reviews | 87.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 7 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Climb App](https://appshunter.io/developer/404048459) | [Kazuhiro Sawamura](https://appshunter.io/developer/620439638) |

## What reviewers say

### AddNotes

[App page](https://appshunter.io/ios/app/addnotes/id1254890578)

This app combines note-taking with automatic calculation. Input data and numbers, and it will instantly compute totals for you. It's versatile for managing various data items and calculations.

**Highlights:** Integrates notes and calculator, Automatic total calculation, Supports Dynamic Type, Compatible with hardware keyboards, Manages various data items

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $2.99 | per month |
| Premium yearly | $29.99 | per year |


### noteSUM

[App page](https://appshunter.io/ios/app/notesum/id1553539735)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Number of History records | $0.99 | one-time |
| Number of Favorites | $0.99 | one-time |
| Hide Ads | $2.99 | one-time |


## Frequently asked questions

### Is AddNotes free?

AddNotes is free to download, with in-app purchases available.

### Is noteSUM free?

noteSUM is free to download, with in-app purchases available.

### Do AddNotes or noteSUM have ads?

Both AddNotes and noteSUM show ads.

### Which is updated more often, AddNotes or noteSUM?

AddNotes ships an update every 10 days, and noteSUM monthly. Most recently, AddNotes was updated on September 1, 2026 and noteSUM on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*