# 루미 LUMI vs Stepic

The clearest difference is update cadence: Stepic at every 2 days against 루미 LUMI's every 2 months. Stepic also leads on review sentiment (100% vs 75%). 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.

루미 LUMI ships an update every 2 months, Stepic every 2 days. The most recent releases landed on August 13, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 루미 LUMI | Stepic |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 60 MB | 25 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [G.bike](https://appshunter.io/developer/1298412976) | [Minsoo Kang](https://appshunter.io/developer/1724198223) |

## What reviewers say

### 루미 LUMI

[App page](https://appshunter.io/ios/app/lumi/id6740988757)

This app allows users to earn money by replacing batteries for electric kickboards and bicycles. It provides a map to locate stations and devices, guides for beginners, and a system for managing battery swaps and earnings.

**Highlights:** Locate stations and PM devices on a map, Beginner-friendly work guides, Acquire and return batteries for tasks, Swap batteries for PM devices to earn, Transparent earnings and settlement management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Stepic

[App page](https://appshunter.io/ios/app/stepic-my-walking-diary/id6744313196)

This app helps you record your emotions and steps during walks, turning them into cherished memories. It automatically logs your routes and allows you to attach photos to preserve each moment. Gain insights into your walking frequency and emotional trends over time.

**Highlights:** Emotion tracking during walks, Automatic route logging, Attach photos to walks, Calendar view of emotional records, Monthly insights on walking and emotions

**In-app purchases:** none


## Frequently asked questions

### Is 루미 LUMI free?

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

### Is Stepic free?

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

### Do 루미 LUMI or Stepic have ads?

Neither 루미 LUMI nor Stepic shows ads.

### Which is updated more often, 루미 LUMI or Stepic?

루미 LUMI ships an update every 2 months, and Stepic every 2 days. Most recently, 루미 LUMI was updated on August 13, 2026 and Stepic on June 1, 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.*