# CalcFlex vs Currency Cheat Sheet Widgets

The clearest difference is in-app purchases: Currency Cheat Sheet Widgets at none against CalcFlex's 6. Currency Cheat Sheet Widgets also leads on update cadence (daily vs every 9 days). CalcFlex's advantage is iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. CalcFlex sells 3 one-off in-app purchases. Currency Cheat Sheet Widgets asks for nothing beyond the download.

CalcFlex ships an update every 9 days, Currency Cheat Sheet Widgets daily. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CalcFlex | Currency Cheat Sheet Widgets |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Size | 2 MB | 7 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Chiu Loong Ng](https://appshunter.io/developer/1755978644) | [Dennis Van Dalen](https://appshunter.io/developer/1862992231) |

## 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 |


### Currency Cheat Sheet Widgets

[App page](https://appshunter.io/ios/app/currency-cheat-sheet-widgets/id6756807004)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalcFlex free?

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

### Is Currency Cheat Sheet Widgets free?

Currency Cheat Sheet Widgets is free to download, with no in-app purchases.

### Do CalcFlex or Currency Cheat Sheet Widgets have ads?

Neither CalcFlex nor Currency Cheat Sheet Widgets shows ads.

### Which is updated more often, CalcFlex or Currency Cheat Sheet Widgets?

CalcFlex ships an update every 9 days, and Currency Cheat Sheet Widgets daily. Most recently, CalcFlex was updated on October 6, 2026 and Currency Cheat Sheet Widgets 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.*