# KPOP Drum vs Lambda

The clearest difference is in-app purchases: Lambda at none against KPOP Drum's 3. Lambda also leads on update cadence (every 2 days vs monthly). KPOP Drum's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. KPOP Drum sells 3 in-app purchases, starting at $9.99 per month. Lambda asks for nothing beyond the download.

KPOP Drum ships an update monthly, Lambda every 2 days. The most recent releases landed on September 23, 2026 and August 8, 2026 respectively.

## The numbers

| Metric | KPOP Drum | Lambda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lambda-retro-with-friends/id6785801114/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Free |
| Size | 168 MB | 23 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Samick Seiler Culture Communication (Shanghai) Co., Ltd.](https://appshunter.io/developer/1768000444) | [笛 姜](https://appshunter.io/developer/1561507357) |

## What reviewers say

### KPOP Drum

[App page](https://appshunter.io/ios/app/kpop-drum/id6711336654)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly membership | $9.99 | per month |
| Half year membership | $39.99 | per 6 months |
| 年度会员订阅 | $69.99 | per year |


### Lambda

[App page](https://appshunter.io/ios/app/lambda-retro-with-friends/id6785801114)

This application allows users to play supported games with others on the same local network. Create rooms and connect with nearby players for a direct, low-latency multiplayer experience. It functions as a multi-system game emulator.

**Highlights:** LAN multiplayer support, Create game rooms, Connect with nearby players, Low-latency gameplay, Multi-system emulation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KPOP Drum free?

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

### Is Lambda free?

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

### Do KPOP Drum or Lambda have ads?

Neither KPOP Drum nor Lambda shows ads.

### Which is updated more often, KPOP Drum or Lambda?

KPOP Drum ships an update monthly, and Lambda every 2 days. Most recently, KPOP Drum was updated on September 23, 2026 and Lambda on August 8, 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.*