# CalcMate vs 23HourDay

The clearest difference is ads: 23HourDay at none against CalcMate's shown. 23HourDay also leads on iOS requirement (14.0 vs 16.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. CalcMate sells 5 one-off in-app purchases and 23HourDay sells 2 in-app purchases, starting at $12.95 per month. Whichever you choose, the download price is not the number that matters.

CalcMate ships an update every 2 weeks, 23HourDay fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CalcMate | 23HourDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (95 ratings)](https://appshunter.io/ios/app/calcmate-notes-calculator/id6449422062/reviews)** | — |
| Number of ratings | **95** | — |
| Positive reviews | 95.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 71 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Elsayed Hussein](https://appshunter.io/developer/1332815700) | [Thomas Smith](https://appshunter.io/developer/1744157870) |

## What reviewers say

### CalcMate

[App page](https://appshunter.io/ios/app/calcmate-notes-calculator/id6449422062)

This app combines note-taking with a powerful calculator, allowing you to perform calculations directly within your text. It handles math, currency, unit conversions, and date calculations, offering a streamlined alternative to spreadsheets and traditional calculators.

**Highlights:** Calculate math within text, Currency and unit conversions, Date calculations, Organize notes with folders, iCloud syncing, Custom number keyboard

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Buy me 2 coffees | $1.99 | one-time |
| Buy Me a burger | $4.99 | one-time |
| Remove Ads | $5.99 | one-time |
| Buy Me a pizza | $9.99 | one-time |


### 23HourDay

[App page](https://appshunter.io/ios/app/23hourday/id6501989004)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan - Monthly | $12.95 | per month |
| Premium Plan - Yearly | $149.00 | per year |


## Frequently asked questions

### Is CalcMate free?

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

### Is 23HourDay free?

23HourDay is free to download, with in-app purchases available.

### Do CalcMate or 23HourDay have ads?

CalcMate shows ads; 23HourDay does not.

### Which is updated more often, CalcMate or 23HourDay?

CalcMate ships an update every 2 weeks, and 23HourDay fortnightly. Most recently, CalcMate was updated on October 24, 2026 and 23HourDay on October 25, 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.*