# AlgaID vs Reef Life Identifier

The clearest difference is iOS requirement: AlgaID at 15.1 against Reef Life Identifier's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AlgaID sells 2 in-app purchases, starting at $8.90 per month and Reef Life Identifier sells 5 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AlgaID ships an update monthly, Reef Life Identifier every 2 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | AlgaID | Reef Life Identifier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 41 MB | 50 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bydas, Agência de Comunicação Digital Unipessoal Limitada](https://appshunter.io/developer/1809947785) | [Format Partners LLC](https://appshunter.io/developer/1787987686) |

## What reviewers say

### AlgaID

[App page](https://appshunter.io/ios/app/algaid/id6744921018)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlgaID Premium | $8.90 | per month |
| AlgaID Premium | $79.99 | per year |


### Reef Life Identifier

[App page](https://appshunter.io/ios/app/reef-life-identifier-reefiq/id6760043545)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefIQ Premium - Weekly | $2.99 | per 7 days |
| ReefIQ Premium - Monthly | $7.99 | per month |
| ReefIQ Premium - Discount | $24.99 | per year |
| ReefIQ Premium - Annual | $39.99 | per year |
| Lifetime Access | $59.99 | one-time |


## Frequently asked questions

### Is AlgaID free?

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

### Is Reef Life Identifier free?

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

### Do AlgaID or Reef Life Identifier have ads?

Neither AlgaID nor Reef Life Identifier shows ads.

### Which is updated more often, AlgaID or Reef Life Identifier?

AlgaID ships an update monthly, and Reef Life Identifier every 2 months. Most recently, AlgaID was updated on October 28, 2026 and Reef Life Identifier 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.*