# CalcFlex vs Pocket Functions Calculator

CalcFlex and Pocket Functions Calculator are too close to call on the numbers: across 3 compared parameters — price, in-app purchases and iOS requirement among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | CalcFlex | Pocket Functions Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Every 9 days | — |
| Size | 2 MB | 54 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Chiu Loong Ng](https://appshunter.io/developer/1755978644) | [UENAL TUTAY](https://appshunter.io/developer/1886873256) |

## What reviewers say

### CalcFlex

[App page](https://appshunter.io/ios/app/calcflex-calculator/id6520389768)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +3 New Variables | $1.99 | one-time |
| +20 New Equation Slots | $1.99 | one-time |
| +1 New Calculator | $3.99 | one-time |


### Pocket Functions Calculator

[App page](https://appshunter.io/ios/app/pocket-functions-calculator/id6776303583)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pocket Functions Pro | $2.99 | per month |
| Pocket Functions Pro | $19.99 | one-time |


## Frequently asked questions

### Is CalcFlex free?

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

### Is Pocket Functions Calculator free?

Pocket Functions Calculator is free to download, with in-app purchases available.

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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.*