# Krello vs CurrenTag

The clearest difference is in-app purchases: Krello at none against CurrenTag's 2. Krello also leads on iOS requirement (11.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CurrenTag sells 2 in-app purchases, starting at $2.99 per month. Krello asks for nothing beyond the download.

Krello ships an update every 2 weeks, CurrenTag every 3 weeks. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Krello | CurrenTag |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 46 MB | 85 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Chabha Shams](https://appshunter.io/developer/1754774989) | [Svein-Harald Bakke](https://appshunter.io/developer/6791523041) |

## What reviewers say

### Krello

[App page](https://appshunter.io/ios/app/krello/id6505026888)

**Features:** macOS Compatibility

**In-app purchases:** none


### CurrenTag

[App page](https://appshunter.io/ios/app/currentag-currency-scanner/id6791523039)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $2.99 | per month |
| Lifetime Unlock | $19.99 | one-time |


## Frequently asked questions

### Is Krello free?

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

### Is CurrenTag free?

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

### Do Krello or CurrenTag have ads?

Neither Krello nor CurrenTag shows ads.

### Which is updated more often, Krello or CurrenTag?

Krello ships an update every 2 weeks, and CurrenTag every 3 weeks. Most recently, Krello was updated on October 19, 2026 and CurrenTag on October 9, 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.*