# Fish Verify vs Pi Sequence

The clearest difference is update cadence: Pi Sequence at every 3 months against Fish Verify's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Fish Verify sells 2 in-app purchases, starting at $5.99 per 7 days and Pi Sequence sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fish Verify ships an update every 8 months, Pi Sequence every 3 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Fish Verify | Pi Sequence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/fish-verify-fishing-spots/id6692609146/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 29 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Romain Sion](https://appshunter.io/developer/1505114766) | [晓灵 潘](https://appshunter.io/developer/6781908128) |

## What reviewers say

### Fish Verify

[App page](https://appshunter.io/ios/app/fish-verify-fishing-spots/id6692609146)

Instantly identify fish species from photos using advanced AI. Learn about their safety, origin, and more. Save your discoveries and explore the underwater world.

**Highlights:** AI-powered fish identification, Identify from photos or camera, Detailed fish information, Save identified fish, Freshwater and marine species

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Fish Identifier | $5.99 | per 7 days |
| Annual Fish Identifier Pro | $29.99 | per year |


### Pi Sequence

[App page](https://appshunter.io/ios/app/pi-sequence-memorize-pi/id6783736734)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $3.99 | one-time |


## Frequently asked questions

### Is Fish Verify free?

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

### Is Pi Sequence free?

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

### Do Fish Verify or Pi Sequence have ads?

Neither Fish Verify nor Pi Sequence shows ads.

### Which is updated more often, Fish Verify or Pi Sequence?

Fish Verify ships an update every 8 months, and Pi Sequence every 3 months. Most recently, Fish Verify was updated on November 4, 2026 and Pi Sequence on November 5, 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.*