# Check Counterfeit Banknote vs QuantMO.AI

The clearest difference is in-app purchases: Check Counterfeit Banknote at none against QuantMO.AI's 1. Check Counterfeit Banknote also leads on update cadence (weekly vs every 2 weeks). QuantMO.AI's advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. QuantMO.AI sells 1 in-app purchase, starting at $34.99 per month. Check Counterfeit Banknote asks for nothing beyond the download.

Check Counterfeit Banknote ships an update weekly, QuantMO.AI every 2 weeks. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Check Counterfeit Banknote | QuantMO.AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | — |
| Size | 67 MB | 103 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [한국은행](https://appshunter.io/developer/1206745331) | [MOFIN Co., Ltd.](https://appshunter.io/developer/1753215623) |

## What reviewers say

### Check Counterfeit Banknote

[App page](https://appshunter.io/ios/app/check-counterfeit-banknote/id1181725457)

Learn how to identify fake currency with this guide. Developed by the Bank of Korea and National Forensic Service, it provides detailed instructions, legal penalties, and reporting procedures to help prevent the circulation of counterfeit money.

**Highlights:** How to check banknotes, Punishment for counterfeiting, Report counterfeit currency, Informative videos, FAQ section, Language selection, Adjustable text size

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

**In-app purchases:** none


### QuantMO.AI

[App page](https://appshunter.io/ios/app/quantmoai-ai/id6504663256)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership | $34.99 | per month |


## Frequently asked questions

### Is Check Counterfeit Banknote free?

Check Counterfeit Banknote is free to download, with no in-app purchases.

### Is QuantMO.AI free?

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

### Do Check Counterfeit Banknote or QuantMO.AI have ads?

Neither Check Counterfeit Banknote nor QuantMO.AI shows ads.

### Which is updated more often, Check Counterfeit Banknote or QuantMO.AI?

Check Counterfeit Banknote ships an update weekly, and QuantMO.AI every 2 weeks. Most recently, Check Counterfeit Banknote was updated on October 8, 2026 and QuantMO.AI on October 6, 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.*