# PengCa vs Brain L

The clearest difference is update cadence: Brain L at every 5 months against PengCa's every 16 months. PengCa's advantage is iOS requirement (11.0 vs 16.0). 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.

PengCa ships an update every 16 months, Brain L every 5 months. The most recent releases landed on October 27, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | PengCa | Brain L |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 months** |
| Size | 193 MB | 86 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Green Solution Co.,Ltd](https://appshunter.io/developer/1637327251) | [Seunghun Choi](https://appshunter.io/developer/1653894539) |

## What reviewers say

### PengCa

[App page](https://appshunter.io/ios/app/pengca/id1637327249)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain L

[App page](https://appshunter.io/ios/app/brain-l-smart-bicycle-lock/id6444325271)

**In-app purchases:** none


## Frequently asked questions

### Is PengCa free?

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

### Is Brain L free?

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

### Do PengCa or Brain L have ads?

Neither PengCa nor Brain L shows ads.

### Which is updated more often, PengCa or Brain L?

PengCa ships an update every 16 months, and Brain L every 5 months. Most recently, PengCa was updated on October 27, 2026 and Brain L on October 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*