# 오늘아기 vs StepKeep

오늘아기 and StepKeep are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 오늘아기 sells 2 in-app purchases, starting at $1.99 per month and StepKeep sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

오늘아기 ships an update every 4 days, StepKeep every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 오늘아기 | StepKeep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stepkeep-trusted-pedometer/id6806768139/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | — | Freemium |
| Size | 44 MB | 15 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [seokwang bae](https://appshunter.io/developer/1889179292) | [月梅 孙](https://appshunter.io/developer/1893807267) |

## What reviewers say

### 오늘아기

[App page](https://appshunter.io/ios/app/id6761371858)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 오늘아기 프리미엄 | $1.99 | per month |
| 오늘아기 프리미엄 | $17.99 | per year |


### StepKeep

[App page](https://appshunter.io/ios/app/stepkeep-trusted-pedometer/id6806768139)

This app synchronizes with Apple Health to provide an accurate, verifiable step count. It displays real-time data, offers historical trends, and includes features like goal setting and challenges. It prioritizes privacy by not uploading data or requiring an account.

**Highlights:** Accurate step count synced with Apple Health, Timestamped data for verification, History restoration and streak preservation, Goal setting, streaks, and rest days, Weekly, monthly, and yearly trends, Challenges and badges, Heart rate estimation (for reference), Apple Watch app and complications

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StepKeep Plus Monthly | $6.99 | per month |
| StepKeep Plus Yearly Offer | $14.99 | per year |
| StepKeep Plus Yearly | $19.99 | per year |
| StepKeep Plus Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is 오늘아기 free?

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

### Is StepKeep free?

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

### Do 오늘아기 or StepKeep have ads?

Neither 오늘아기 nor StepKeep shows ads.

### Which is updated more often, 오늘아기 or StepKeep?

오늘아기 ships an update every 4 days, and StepKeep every 5 days. Most recently, 오늘아기 was updated on October 31, 2026 and StepKeep on October 31, 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.*