# Tau Lambda vs SeenU

The clearest difference is update cadence: SeenU at every 6 days against Tau Lambda's every 39 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Tau Lambda ships an update every 39 months, SeenU every 6 days. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Tau Lambda | SeenU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (359 ratings)](https://appshunter.io/ios/app/seenu/id6749520048/reviews)** |
| Number of ratings | — | **359** |
| Positive reviews | — | 95.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 6 days** |
| Monetization | — | Ad-supported |
| Size | 26 MB | 72 MB |
| Requires iOS | **16.1** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Ricardo Cumberbatch](https://appshunter.io/developer/1455104172) | [SeenU Inc.](https://appshunter.io/developer/1830911221) |

## What reviewers say

### Tau Lambda

[App page](https://appshunter.io/ios/app/tau-lambda/id1592825644)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### SeenU

[App page](https://appshunter.io/ios/app/seenu/id6749520048)

Connect with people at live events and real-world spaces. Discover and connect with others nearby in real time, share updates, and build your local community.

**Highlights:** Connect at live events, Discover nearby users, Real-time connections, Friend-adding features, Share updates, Build local community

**In-app purchases:** none


## Frequently asked questions

### Is Tau Lambda free?

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

### Is SeenU free?

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

### Do Tau Lambda or SeenU have ads?

Neither Tau Lambda nor SeenU shows ads.

### Which is updated more often, Tau Lambda or SeenU?

Tau Lambda ships an update every 39 months, and SeenU every 6 days. Most recently, Tau Lambda was updated on September 10, 2026 and SeenU 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.*