# Calculator Notes vs check to do

The clearest difference is in-app purchases: Calculator Notes at none against check to do's 2. check to do's advantage is ads (none vs shown) and update cadence (weekly vs every 12 months). On price and device support there is nothing between them.

Both are free to download. check to do sells 2 in-app purchases, starting at $5.90 per month. Calculator Notes asks for nothing beyond the download.

Calculator Notes ships an update every 12 months, check to do weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Calculator Notes | check to do |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/calculator-notes-spreadsheet/id1668268383/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 15 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [supakit theerasutthikul](https://appshunter.io/developer/6775431068) |

## What reviewers say

### Calculator Notes

[App page](https://appshunter.io/ios/app/calculator-notes-spreadsheet/id1668268383)

This app combines a calculator with spreadsheet functionality, allowing users to automatically sum item values. It supports unlimited folders and notes, with features like goal setting and batch operations. Widgets are available for home and lock screens.

**Highlights:** Automatic total value calculation, Unlimited folders, notes, and items, CSV output and sharing, Goal setting and progress tracking, Batch operations (copy, duplicate, color coding), Home & lock screen widgets, Dark mode

**In-app purchases:** none


### check to do

[App page](https://appshunter.io/ios/app/check-to-do/id6775431066)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.90 | per month |
| Pro Yearly | $59.00 | per year |


## Frequently asked questions

### Is Calculator Notes free?

Calculator Notes is free to download, with no in-app purchases.

### Is check to do free?

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

### Do Calculator Notes or check to do have ads?

Calculator Notes shows ads; check to do does not.

### Which is updated more often, Calculator Notes or check to do?

Calculator Notes ships an update every 12 months, and check to do weekly. Most recently, Calculator Notes was updated on November 3, 2026 and check to do on November 5, 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.*