# 15SOF vs Mu Lambda

The clearest difference is rating: 15SOF at 4.8 against Mu Lambda's 4.0. 15SOF also leads on ratings volume (5.2K vs 1). Mu Lambda's advantage is update cadence (every 5 days vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

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

15SOF holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: 15SOF has 5.2K ratings behind it against 1, so its average is the more settled of the two.

15SOF ships an update monthly, Mu Lambda every 5 days. The most recent releases landed on November 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 15SOF | Mu Lambda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.2K ratings)](https://appshunter.io/ios/app/15sof/id964715438/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/mu-lambda/id1488809648/reviews) |
| Number of ratings | **5.2K** | 1 |
| Positive reviews | 89.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 56 MB | 37 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [15 SECONDS OF FAME, INC.](https://appshunter.io/developer/964715437) | [Ricardo Cumberbatch](https://appshunter.io/developer/1455104172) |

## What reviewers say

### 15SOF

[App page](https://appshunter.io/ios/app/15sof/id964715438)

Capture and receive video clips of yourself from live events. This app allows fans to get and share moments they appear on videoboards or TV screens. Register, take a selfie, and get your video memories delivered to your phone.

**Highlights:** Receive video appearances from live events, Share video memories, Selfie registration, Direct video delivery to phone, Award-winning fan experience

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent user experience
- 🚀 Fast and responsive app
- 💡 Innovative concept
- 🎉 Captures memorable moments
- 🤩 Amazing customer service

**What reviewers complain about**

- 🐛 Technical issues and bugs
- 🔍 Difficulty finding/accessing videos
- 🤔 Limited sports/event coverage

**Reported bugs**

- Login/signup problems
- Inconsistent video quality
- Delayed video delivery

**Requested features**

- Expand to more sports and events
- Improve video search and retrieval
- Add more customization options


### Mu Lambda

[App page](https://appshunter.io/ios/app/mu-lambda/id1488809648)

Connect with fellow chapter members, stay updated on events, and access chapter resources. This app facilitates communication, event participation, and access to important chapter documents and directories.

**Highlights:** Event notifications, Chapter member chat, View chapter documents, Access chapter directory, Read monthly magazine, Pay chapter dues

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 15SOF free?

15SOF is free to download, with no in-app purchases.

### Is Mu Lambda free?

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

### Which has better reviews, 15SOF or Mu Lambda?

15SOF is rated higher. 15SOF averages 4.8 out of 5 from 5.2K ratings, while Mu Lambda averages 4.0 from 1 ratings.

### Do 15SOF or Mu Lambda have ads?

Neither 15SOF nor Mu Lambda shows ads.

### Which is updated more often, 15SOF or Mu Lambda?

15SOF ships an update monthly, and Mu Lambda every 5 days. Most recently, 15SOF was updated on November 1, 2026 and Mu Lambda on October 16, 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.*