# Math vs 1Calc

The clearest difference is update cadence: Math at every 3 days against 1Calc's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Math sells 1 one-off in-app purchase and 1Calc sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Math ships an update every 3 days, 1Calc fortnightly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Math | 1Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 11 MB | 6 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IgKnight Technologies Ltd](https://appshunter.io/developer/1023379804) | [Asim Roy](https://appshunter.io/developer/1703408134) |

## What reviewers say

### Math

[App page](https://appshunter.io/ios/app/math-calculator-widget-17/id6467422101)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads + All colors | $1.99 | one-time |


### 1Calc

[App page](https://appshunter.io/ios/app/1calc-one-calculator/id6502853473)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $3.99 | per year |
| Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Math free?

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

### Is 1Calc free?

1Calc is free to download, with in-app purchases available.

### Do Math or 1Calc have ads?

Both Math and 1Calc show ads.

### Which is updated more often, Math or 1Calc?

Math ships an update every 3 days, and 1Calc fortnightly. Most recently, Math was updated on October 14, 2026 and 1Calc on October 7, 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.*