# QS Insider vs Chap911

The clearest difference is in-app purchases: QS Insider at none against Chap911's 1. QS Insider also leads on iOS requirement (18.6 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chap911 sells 1 one-off in-app purchase. QS Insider asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | QS Insider | Chap911 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 52 MB | 11 MB |
| Requires iOS | **18.6** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QuickSeries Publishing](https://appshunter.io/developer/369233535) | [Nick Farr](https://appshunter.io/developer/1875451672) |

## What reviewers say

### QS Insider

[App page](https://appshunter.io/ios/app/qs-insider/id1455973093)

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

**In-app purchases:** none


### Chap911

[App page](https://appshunter.io/ios/app/chap911/id6760863362)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Field Guide Unlock | $7.99 | one-time |


## Frequently asked questions

### Is QS Insider free?

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

### Is Chap911 free?

Chap911 is free to download, with in-app purchases available.

### Do QS Insider or Chap911 have ads?

Neither QS Insider nor Chap911 shows ads.

### Which is updated more often, QS Insider or Chap911?

QS Insider ships an update every 3 months, and Chap911 every 3 months. Most recently, QS Insider was updated on October 11, 2026 and Chap911 on October 24, 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.*