# eThink vs LSA Quest

The clearest difference is in-app purchases: LSA Quest at none against eThink's 10. LSA Quest also leads on update cadence (monthly vs every 12 months) and iOS requirement (12.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. eThink sells 10 one-off in-app purchases. LSA Quest asks for nothing beyond the download.

eThink ships an update every 12 months, LSA Quest monthly. The most recent releases landed on September 27, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | eThink | LSA Quest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Size | 146 MB | 246 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [Abdul Rafeeque Parakkal](https://appshunter.io/developer/1464562964) |

## What reviewers say

### eThink

[App page](https://appshunter.io/ios/app/ethink/id6476031329)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AV | $34.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - AW | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BF | $49.99 | one-time |


### LSA Quest

[App page](https://appshunter.io/ios/app/lsa-quest/id6572288520)

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

**In-app purchases:** none


## Frequently asked questions

### Is eThink free?

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

### Is LSA Quest free?

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

### Do eThink or LSA Quest have ads?

Neither eThink nor LSA Quest shows ads.

### Which is updated more often, eThink or LSA Quest?

eThink ships an update every 12 months, and LSA Quest monthly. Most recently, eThink was updated on September 27, 2026 and LSA Quest on October 2, 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.*