# 루나캘린더 vs Obsid Workout

The clearest difference is in-app purchases: 루나캘린더 at none against Obsid Workout's 1. 루나캘린더 also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Obsid Workout sells 1 one-off in-app purchase. 루나캘린더 asks for nothing beyond the download.

루나캘린더 ships an update every 3 weeks, Obsid Workout every 2 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 루나캘린더 | Obsid Workout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 79 MB | 172 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [k-zero](https://appshunter.io/developer/1811048193) | [Matvey Guralskiy](https://appshunter.io/developer/1861552522) |

## What reviewers say

### 루나캘린더

[App page](https://appshunter.io/ios/app/id6748807635)

**In-app purchases:** none


### Obsid Workout

[App page](https://appshunter.io/ios/app/obsid-workout/id6761681081)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is 루나캘린더 free?

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

### Is Obsid Workout free?

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

### Do 루나캘린더 or Obsid Workout have ads?

Neither 루나캘린더 nor Obsid Workout shows ads.

### Which is updated more often, 루나캘린더 or Obsid Workout?

루나캘린더 ships an update every 3 weeks, and Obsid Workout every 2 months. Most recently, 루나캘린더 was updated on October 26, 2026 and Obsid Workout on October 28, 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.*