# Cuspart vs QuantumReader

The clearest difference is ads: QuantumReader at none against Cuspart's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Cuspart sells 6 one-off in-app purchases and QuantumReader sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Cuspart ships an update monthly, QuantumReader every 2 months. The most recent releases landed on October 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Cuspart | QuantumReader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Size | 16 MB | 5 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) |

## What reviewers say

### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-e-converter/id6737417981)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso | $0.99 | one-time |
| Flat White | $1.99 | one-time |
| Caffè Americano | $2.49 | one-time |
| Caffè Mocha | $2.99 | one-time |
| Classic Hot Chocolate | $3.49 | one-time |
| Special Hot Chocolate | $3.99 | one-time |


### 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 Cuspart free?

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

### Is QuantumReader free?

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

### Do Cuspart or QuantumReader have ads?

Cuspart shows ads; QuantumReader does not.

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

Cuspart ships an update monthly, and QuantumReader every 2 months. Most recently, Cuspart was updated on October 1, 2026 and QuantumReader on September 25, 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.*