# SwiftQuantum vs PromptSpend

The clearest difference is in-app purchases: PromptSpend at none against SwiftQuantum's 4. PromptSpend also leads on iOS requirement (16.4 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SwiftQuantum sells 4 in-app purchases, starting at $14.99 per month. PromptSpend asks for nothing beyond the download.

SwiftQuantum ships an update every 9 days, PromptSpend every 5 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SwiftQuantum | PromptSpend |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 31 MB | 37 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EUNMIN PARK](https://appshunter.io/developer/1549813078) | [Crestwood Holdings Management LLC](https://appshunter.io/developer/6800386430) |

## What reviewers say

### SwiftQuantum

[App page](https://appshunter.io/ios/app/swiftquantum-quantum-ide/id6757287949)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scholar Monthly | $14.99 | per month |
| Master Monthly | $39.99 | per month |
| Scholar Yearly | $99.99 | per year |
| Master Yearly | $299.99 | per year |


### PromptSpend

[App page](https://appshunter.io/ios/app/promptspend/id6800386428)

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

**In-app purchases:** none


## Frequently asked questions

### Is SwiftQuantum free?

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

### Is PromptSpend free?

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

### Do SwiftQuantum or PromptSpend have ads?

Neither SwiftQuantum nor PromptSpend shows ads.

### Which is updated more often, SwiftQuantum or PromptSpend?

SwiftQuantum ships an update every 9 days, and PromptSpend every 5 days. Most recently, SwiftQuantum was updated on October 15, 2026 and PromptSpend on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*