# 橙子密码本 vs Morse Code‑Decoding Simulation

The clearest difference is ads: Morse Code‑Decoding Simulation at none against 橙子密码本's shown. Morse Code‑Decoding Simulation also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 橙子密码本 sells 4 one-off in-app purchases and Morse Code‑Decoding Simulation sells 1 in-app purchase, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 橙子密码本 | Morse Code‑Decoding Simulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6447180495/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 30 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [川 周](https://appshunter.io/developer/1611546897) | [燕燕 林](https://appshunter.io/developer/1675436596) |

## What reviewers say

### 橙子密码本

[App page](https://appshunter.io/ios/app/id6447180495)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 捐赠-早餐×1 | $0.99 | one-time |
| 捐赠-午餐×1 | $1.99 | one-time |
| 捐赠-晚餐×1 | $2.99 | one-time |
| 捐赠-宵夜×1 | $9.99 | one-time |


### Morse Code‑Decoding Simulation

[App page](https://appshunter.io/ios/app/morse-codedecoding-simulation/id6761355351)

This app simulates Morse code translation and telegraph operation. It offers bidirectional text-code conversion, manual telegraph simulation, and a cipher book for quick reference. Ideal for learning, entertainment, and emergency use.

**Highlights:** Bidirectional text-code conversion, Simulated telegraph operation, Quick reference cipher book, SOS signaling, Historical decoding missions, Audio-visual feedback

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 摩斯密码尊贵会员 | $1.99 | per 7 days |


## Frequently asked questions

### Is 橙子密码本 free?

橙子密码本 is free to download, with in-app purchases available.

### Is Morse Code‑Decoding Simulation free?

Morse Code‑Decoding Simulation is free to download, with in-app purchases available.

### Do 橙子密码本 or Morse Code‑Decoding Simulation have ads?

橙子密码本 shows ads; Morse Code‑Decoding Simulation does not.

### Which is updated more often, 橙子密码本 or Morse Code‑Decoding Simulation?

橙子密码本 ships an update every 5 months, and Morse Code‑Decoding Simulation every 5 months. Most recently, 橙子密码本 was updated on September 24, 2026 and Morse Code‑Decoding Simulation on September 16, 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.*