# Flex Calculators vs FlexCalc

The clearest difference is update cadence: Flex Calculators at every 10 days against FlexCalc's every 3 weeks. FlexCalc's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flex Calculators sells 1 one-off in-app purchase and FlexCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flex Calculators ships an update every 10 days, FlexCalc every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Flex Calculators | FlexCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flexcalc-flexible-calculator/id6785043241/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 37 MB | 21 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [An Le](https://appshunter.io/developer/1863975090) | [Tho Tran](https://appshunter.io/developer/1110817755) |

## What reviewers say

### Flex Calculators

[App page](https://appshunter.io/ios/app/flex-calculators/id6761326502)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### FlexCalc

[App page](https://appshunter.io/ios/app/flexcalc-flexible-calculator/id6785043241)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy a Coffee | $1.99 | one-time |


## Frequently asked questions

### Is Flex Calculators free?

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

### Is FlexCalc free?

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

### Do Flex Calculators or FlexCalc have ads?

Neither Flex Calculators nor FlexCalc shows ads.

### Which is updated more often, Flex Calculators or FlexCalc?

Flex Calculators ships an update every 10 days, and FlexCalc every 3 weeks. Most recently, Flex Calculators was updated on October 24, 2026 and FlexCalc on October 24, 2026.

---

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