# SP1RfidApp vs QuantumReader

The clearest difference is in-app purchases: SP1RfidApp at none against QuantumReader's 1. SP1RfidApp also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. QuantumReader sells 1 one-off in-app purchase. SP1RfidApp asks for nothing beyond the download.

SP1RfidApp ships an update every 2 weeks, QuantumReader every 2 months. The most recent releases landed on August 11, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | SP1RfidApp | QuantumReader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 6 MB | 5 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [COS ENGINEERING, K.K.](https://appshunter.io/developer/1641675069) | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) |

## What reviewers say

### SP1RfidApp

[App page](https://appshunter.io/ios/app/sp1rfidapp/id6505082558)

**Features:** macOS Compatibility

**In-app purchases:** none


### QuantumReader

[App page](https://appshunter.io/ios/app/quantumreader/id6752207408)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is SP1RfidApp free?

SP1RfidApp is free to download, with no in-app purchases.

### Is QuantumReader free?

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

### Do SP1RfidApp or QuantumReader have ads?

Neither SP1RfidApp nor QuantumReader shows ads.

### Which is updated more often, SP1RfidApp or QuantumReader?

SP1RfidApp ships an update every 2 weeks, and QuantumReader every 2 months. Most recently, SP1RfidApp was updated on August 11, 2026 and QuantumReader on September 8, 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.*