# Krypton vs ELI5

The clearest difference is in-app purchases: Krypton at none against ELI5's 3. Krypton also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (15.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. ELI5 sells 3 in-app purchases, starting at $0.99 per month. Krypton asks for nothing beyond the download.

Krypton ships an update every 3 weeks, ELI5 every 2 months. Both last shipped on October 10, 2026.

## The numbers

| Metric | Krypton | ELI5 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/eli5-simple-explanations/id6502291065/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Freemium |
| Size | 31 MB | 6 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Formatio](https://appshunter.io/developer/1626809122) | [Ankharis Ltd](https://appshunter.io/developer/1812191150) |

## What reviewers say

### Krypton

[App page](https://appshunter.io/ios/app/krypton/id1589984146)

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

**In-app purchases:** none


### ELI5

[App page](https://appshunter.io/ios/app/eli5-simple-explanations/id6502291065)

This app simplifies complex topics into easy-to-understand explanations tailored to different age groups. It allows users to paste text for instant clarification, offers multiple reading levels, and supports six languages. All explanations are saved for later access.

**Highlights:** Multiple reading levels (Age 5 to Expert), Paste text for instant explanation, Re-explain at different levels, Examples, analogies, and stories, Read aloud functionality, Save explanations to your library, Supports six languages

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | per month |
| Premium Plus | $1.99 | per month |
| Premium Ultra | $3.99 | per month |


## Frequently asked questions

### Is Krypton free?

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

### Is ELI5 free?

ELI5 is free to download, with in-app purchases available.

### Do Krypton or ELI5 have ads?

Neither Krypton nor ELI5 shows ads.

### Which is updated more often, Krypton or ELI5?

Krypton ships an update every 3 weeks, and ELI5 every 2 months. Most recently, Krypton was updated on October 10, 2026 and ELI5 on October 10, 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.*