# Kappa Delta Lambda vs Interface

The clearest difference is update cadence: Interface at every 9 days against Kappa Delta Lambda's every 40 months. Kappa Delta Lambda's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kappa Delta Lambda ships an update every 40 months, Interface every 9 days. The most recent releases landed on September 15, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Kappa Delta Lambda | Interface |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (38 ratings)](https://appshunter.io/ios/app/interface-explore-ethereum/id1667243335/reviews)** |
| Number of ratings | — | **38** |
| Positive reviews | — | 95.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 52 MB | 133 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Ricardo Cumberbatch](https://appshunter.io/developer/1455104172) | [INTERFACE LABS - DECENTRALISED TECH, UNIPESSOAL, LDA](https://appshunter.io/developer/1667243337) |

## What reviewers say

### Kappa Delta Lambda

[App page](https://appshunter.io/ios/app/kappa-delta-lambda/id1607528057)

**Features:** macOS Compatibility

**In-app purchases:** none


### Interface

[App page](https://appshunter.io/ios/app/interface-explore-ethereum/id1667243335)

Explore the Ethereum blockchain with a smart companion that simplifies on-chain activity. Follow wallets, discover new opportunities like mints and airdrops, and connect with others by importing social graphs. Browse assets, search for projects, and stay updated with live notifications.

**Highlights:** Follow wallet on-chain activity, Discover new mints, airdrops, proposals, Connect with social graphs (Farcaster, Lens), Find community members by NFTs/POAPs, Browse wallet assets and activity, Search for projects, tokens, and ENS, Customizable live notifications

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kappa Delta Lambda free?

Kappa Delta Lambda is free to download, with no in-app purchases.

### Is Interface free?

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

### Do Kappa Delta Lambda or Interface have ads?

Neither Kappa Delta Lambda nor Interface shows ads.

### Which is updated more often, Kappa Delta Lambda or Interface?

Kappa Delta Lambda ships an update every 40 months, and Interface every 9 days. Most recently, Kappa Delta Lambda was updated on September 15, 2026 and Interface on September 25, 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.*