# NanoRate vs Quietmarks

The clearest difference is price: NanoRate at Free against Quietmarks's $2.99. Quietmarks's advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

NanoRate is free to download; Quietmarks costs $2.99 up front. NanoRate sells 1 one-off in-app purchase. Quietmarks asks for nothing beyond the download.

NanoRate ships an update every 2 months, Quietmarks weekly. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | NanoRate | Quietmarks |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nanorate/id1321939806/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 4 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [恒俭 董](https://appshunter.io/developer/947356968) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### NanoRate

[App page](https://appshunter.io/ios/app/nanorate/id1321939806)

This utility app offers a straightforward way to convert currencies, supporting multiple currencies and historical data. It features AR price scanning and offline access for convenience.

**Highlights:** Multi-currency comparison, Historical date lookup, Fee-inclusive conversion, AR price scanning, Offline rate access, Home Screen widget

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NanoRate Pro Unlock | $1.99 | one-time |


### Quietmarks

[App page](https://appshunter.io/ios/app/quietmarks/id6777257413)

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

**In-app purchases:** none


## Frequently asked questions

### Is NanoRate free?

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

### Is Quietmarks free?

Quietmarks costs $2.99, with no in-app purchases.

### Do NanoRate or Quietmarks have ads?

Neither NanoRate nor Quietmarks shows ads.

### Which is updated more often, NanoRate or Quietmarks?

NanoRate ships an update every 2 months, and Quietmarks weekly. Most recently, NanoRate was updated on September 18, 2026 and Quietmarks on September 21, 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.*