# E vs Thinklit

The clearest difference is in-app purchases: E at none against Thinklit's 1. E also leads on iOS requirement (12.0 vs 15.0). Thinklit's advantage is update cadence (weekly vs every 32 months). On price, ads and device support there is nothing between them.

Both are free to download. Thinklit sells 1 in-app purchase, starting at $2.99 per month. E asks for nothing beyond the download.

E ships an update every 32 months, Thinklit weekly. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | E | Thinklit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Weekly** |
| Size | 213 MB | 59 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STRIX inc](https://appshunter.io/developer/1144861140) | [MindTech LLC](https://appshunter.io/developer/1782227951) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-thology/id1457519660)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thinklit

[App page](https://appshunter.io/ios/app/thinklit-ai-study-flashcards/id6758416549)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thinklit Pro | $2.99 | per month |


## Frequently asked questions

### Is E free?

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

### Is Thinklit free?

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

### Do E or Thinklit have ads?

Neither E nor Thinklit shows ads.

### Which is updated more often, E or Thinklit?

E ships an update every 32 months, and Thinklit weekly. Most recently, E was updated on September 30, 2026 and Thinklit on October 5, 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.*