# Pinglingo vs Subject Quest

The clearest difference is in-app purchases: Subject Quest at none against Pinglingo's 1. Subject Quest also leads on iOS requirement (15.1 vs 18.0). Pinglingo's advantage is update cadence (every 11 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Pinglingo sells 1 in-app purchase, starting at $4.99 per month. Subject Quest asks for nothing beyond the download.

Pinglingo ships an update every 11 days, Subject Quest every 5 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Pinglingo | Subject Quest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 5 months |
| Size | 36 MB | 41 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daryl Wong](https://appshunter.io/developer/1005001637) | [Sagarika Annapragada](https://appshunter.io/developer/1875166807) |

## What reviewers say

### Pinglingo

[App page](https://appshunter.io/ios/app/pinglingo/id6745756378)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |


### Subject Quest

[App page](https://appshunter.io/ios/app/subject-quest/id6760158960)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pinglingo free?

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

### Is Subject Quest free?

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

### Do Pinglingo or Subject Quest have ads?

Neither Pinglingo nor Subject Quest shows ads.

### Which is updated more often, Pinglingo or Subject Quest?

Pinglingo ships an update every 11 days, and Subject Quest every 5 months. Most recently, Pinglingo was updated on October 16, 2026 and Subject Quest on October 14, 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.*