# Flex Calculators vs Calculator

The clearest difference is in-app purchases: Calculator at none against Flex Calculators's 1. Flex Calculators's advantage is ads (none vs shown) and update cadence (every 10 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Flex Calculators sells 1 one-off in-app purchase. Calculator asks for nothing beyond the download.

Flex Calculators ships an update every 10 days, Calculator monthly. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Flex Calculators | Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Monthly |
| Size | 37 MB | 54 MB |
| Requires iOS | **15.1** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [An Le](https://appshunter.io/developer/1863975090) | [Siddharth Siddhapura](https://appshunter.io/developer/1770972264) |

## 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 |


### Calculator

[App page](https://appshunter.io/ios/app/calculator-ai-math-solver-pro/id6763053970)

**In-app purchases:** none


## Frequently asked questions

### Is Flex Calculators free?

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

### Is Calculator free?

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

### Do Flex Calculators or Calculator have ads?

Calculator shows ads; Flex Calculators does not.

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

Flex Calculators ships an update every 10 days, and Calculator monthly. Most recently, Flex Calculators was updated on October 16, 2026 and Calculator on October 18, 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.*