# Noctua vs Response Auctions

The clearest difference is update cadence: Response Auctions at every 2 months against Noctua's every 5 months. Noctua's advantage is iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Noctua ships an update every 5 months, Response Auctions every 2 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Noctua | Response Auctions |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 10 MB | 26 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Groupe SOS](https://appshunter.io/developer/1076510461) | [Response Auctions LLC](https://appshunter.io/developer/1660289619) |

## What reviewers say

### Noctua

[App page](https://appshunter.io/ios/app/noctua/id1076510462)

**Features:** macOS Compatibility

**In-app purchases:** none


### Response Auctions

[App page](https://appshunter.io/ios/app/response-auctions/id1660289617)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Noctua free?

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

### Is Response Auctions free?

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

### Do Noctua or Response Auctions have ads?

Neither Noctua nor Response Auctions shows ads.

### Which is updated more often, Noctua or Response Auctions?

Noctua ships an update every 5 months, and Response Auctions every 2 months. Most recently, Noctua was updated on September 10, 2026 and Response Auctions on September 9, 2026.

---

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