# SMART Keys vs Currency Conversion Newest

The clearest difference is ads: SMART Keys at none against Currency Conversion Newest's shown. SMART Keys also leads on iOS requirement (8.0 vs 13.4). Currency Conversion Newest's advantage is update cadence (every 6 weeks vs every 76 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SMART Keys ships an update every 76 months, Currency Conversion Newest every 6 weeks. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SMART Keys | Currency Conversion Newest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 76 months | **Every 6 weeks** |
| Size | 36 MB | 29 MB |
| Requires iOS | **8.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Technology Group GmbH](https://appshunter.io/developer/1227640841) | [KIEU NGUYEN](https://appshunter.io/developer/1737999404) |

## What reviewers say

### SMART Keys

[App page](https://appshunter.io/ios/app/smart-keys/id1449780812)

**Features:** macOS Compatibility

**In-app purchases:** none


### Currency Conversion Newest

[App page](https://appshunter.io/ios/app/currency-conversion-newest/id6670496151)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMART Keys free?

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

### Is Currency Conversion Newest free?

Currency Conversion Newest is free to download, with no in-app purchases.

### Do SMART Keys or Currency Conversion Newest have ads?

Currency Conversion Newest shows ads; SMART Keys does not.

### Which is updated more often, SMART Keys or Currency Conversion Newest?

SMART Keys ships an update every 76 months, and Currency Conversion Newest every 6 weeks. Most recently, SMART Keys was updated on October 1, 2026 and Currency Conversion Newest on October 10, 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.*