# 장병e음 vs Day100

The clearest difference is in-app purchases: 장병e음 at none against Day100's 1. 장병e음 also leads on update cadence (every 3 weeks vs every 3 months). Day100's advantage is iOS requirement (15.0 vs 17.5). On price, ads and device support there is nothing between them.

Both are free to download. Day100 sells 1 one-off in-app purchase. 장병e음 asks for nothing beyond the download.

장병e음 ships an update every 3 weeks, Day100 every 3 months. The most recent releases landed on October 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 장병e음 | Day100 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/e/id6744992032/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 5.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 56 MB | 58 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ministry of National Defense - Republic of Korea](https://appshunter.io/developer/449084513) | [StellaDev Inc.](https://appshunter.io/developer/1804747935) |

## What reviewers say

### 장병e음

[App page](https://appshunter.io/ios/app/e/id6744992032)

A Ministry of National Defense official app designed to enhance military life. It integrates mobile identification, administrative services, welfare benefits, career development resources, and healthcare support for soldiers.

**Highlights:** Mobile identification for base access and PX use, Integrated administrative services (certificates, pay stubs), Access to diverse welfare benefits for active and reserve personnel, Educational content for academic credits, certifications, and language learning, Remote medical consultations and simplified medical expense claims, Streamlined booking for KTX and express buses

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

**In-app purchases:** none


### Day100

[App page](https://appshunter.io/ios/app/day100/id6751618942)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Service Access | $19.99 | one-time |


## Frequently asked questions

### Is 장병e음 free?

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

### Is Day100 free?

Day100 is free to download, with in-app purchases available.

### Do 장병e음 or Day100 have ads?

Neither 장병e음 nor Day100 shows ads.

### Which is updated more often, 장병e음 or Day100?

장병e음 ships an update every 3 weeks, and Day100 every 3 months. Most recently, 장병e음 was updated on October 16, 2026 and Day100 on September 19, 2026.

---

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