# Decypher vs Coral Identifier

The clearest difference is review sentiment: Decypher at 100% against Coral Identifier's 0%. Decypher also leads on in-app purchases (none vs 2) and update cadence (daily vs monthly). Coral Identifier's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Coral Identifier sells 2 in-app purchases, starting at $7.99 per 7 days. Decypher asks for nothing beyond the download.

Decypher ships an update daily, Coral Identifier monthly. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Decypher | Coral Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.2 (13 ratings)](https://appshunter.io/ios/app/coral-identifier-reef-corals/id6757849065/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 69 MB | 43 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [New Material, Inc.](https://appshunter.io/developer/1683570887) | [Szymon Niemiec](https://appshunter.io/developer/1853026562) |

## What reviewers say

### Decypher

[App page](https://appshunter.io/ios/app/decypher/id6448763995)

Explore the history and significance of UK post boxes and street furniture. This app uses your camera and AI to identify and provide information about these everyday objects.

**Highlights:** AI-powered identification, Learn about post box history, Discover street furniture details, Uses device camera, UK-focused content

**In-app purchases:** none


### Coral Identifier

[App page](https://appshunter.io/ios/app/coral-identifier-reef-corals/id6757849065)

Identify marine and reef corals from photos using AI. Upload an image to get suggested identifications for saltwater tanks, along with care information. Designed for hobbyists, it provides guidance with confidence levels for better aquarium decisions.

**Highlights:** AI-powered coral identification, Photo ID for saltwater tanks, Recognizes SPS, LPS, soft corals, Structured coral information, Coral care guidance, Confidence-based results, Easy-to-use interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $7.99 | per 7 days |
| Premium | $29.99 | per year |


## Frequently asked questions

### Is Decypher free?

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

### Is Coral Identifier free?

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

### Do Decypher or Coral Identifier have ads?

Neither Decypher nor Coral Identifier shows ads.

### Which is updated more often, Decypher or Coral Identifier?

Decypher ships an update daily, and Coral Identifier monthly. Most recently, Decypher was updated on November 3, 2026 and Coral Identifier on November 9, 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.*