# Secret Code Maker vs (undersight)

The clearest difference is update cadence: (undersight) at every 2 days against Secret Code Maker's every 2 months. Secret Code Maker's advantage is ratings volume (11 vs 1) and iOS requirement (6.0 vs 15.1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Secret Code Maker against 5.0 for (undersight). That said, the two scores are not equally well evidenced: Secret Code Maker has 11 ratings behind it against 1, so its average is the more settled of the two.

Secret Code Maker ships an update every 2 months, (undersight) every 2 days. The most recent releases landed on October 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Secret Code Maker | (undersight) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (11 ratings)](https://appshunter.io/ios/app/secret-code-maker-hide-message-into-a-picture/id800749973/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/undersight/id6752902796/reviews) |
| Number of ratings | **11** | 1 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 1 MB | 18 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sho Kurozumi](https://appshunter.io/developer/796307880) | [Matthew Dunnerstick](https://appshunter.io/developer/1841653607) |

## What reviewers say

### Secret Code Maker

[App page](https://appshunter.io/ios/app/secret-code-maker-hide-message-into-a-picture/id800749973)

Create unique images that secretly embed your messages. View hidden text by aligning the image with your device's charging port. This fun entertainment app offers a novel way to share secrets.

**Highlights:** Embed messages into images, View hidden text via charging port alignment, Create unique visual secrets, Hard-to-read message encoding

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

**In-app purchases:** none


### (undersight)

[App page](https://appshunter.io/ios/app/undersight/id6752902796)

This application deciphers Morse code light signals observed in the sky, converting them into readable text. It serves as a tool to enhance the experience of a specific performance art project.

**Highlights:** Morse code light signal detection, Real-time text translation, Support for performance art projects, Simple user interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Secret Code Maker free?

Secret Code Maker is free to download, with no in-app purchases.

### Is (undersight) free?

(undersight) is free to download, with no in-app purchases.

### Which has better reviews, Secret Code Maker or (undersight)?

Secret Code Maker and (undersight) are both rated 5.0 out of 5 on the App Store, from 11 and 1 ratings respectively.

### Do Secret Code Maker or (undersight) have ads?

Neither Secret Code Maker nor (undersight) shows ads.

### Which is updated more often, Secret Code Maker or (undersight)?

Secret Code Maker ships an update every 2 months, and (undersight) every 2 days. Most recently, Secret Code Maker was updated on October 7, 2026 and (undersight) on September 25, 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.*