# Neptunmaster vs isi

Neptunmaster and isi are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Neptunmaster ships an update every 2 months, isi every 3 months. The most recent releases landed on August 14, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Neptunmaster | isi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 42 MB | 13 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neptunmaster GmbH](https://appshunter.io/developer/1222885347) | [it-werke](https://appshunter.io/developer/568837445) |

## What reviewers say

### Neptunmaster

[App page](https://appshunter.io/ios/app/neptunmaster/id1052748351)

This app is a specialized online shop for fishing enthusiasts. It offers a wide range of fishing tackle for various types of fishing, including carp, sea, predator, catfish, and trout fishing.

**Highlights:** Specialized fishing tackle shop, Carp fishing gear, Sea fishing equipment, Predator fishing supplies, Catfish fishing tackle, Trout fishing gear

**Features:** Vision Pro support

**In-app purchases:** none


### isi

[App page](https://appshunter.io/ios/app/isifish/id1346623392)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Neptunmaster free?

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

### Is isi free?

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

### Do Neptunmaster or isi have ads?

Neither Neptunmaster nor isi shows ads.

### Which is updated more often, Neptunmaster or isi?

Neptunmaster ships an update every 2 months, and isi every 3 months. Most recently, Neptunmaster was updated on August 14, 2026 and isi on September 11, 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.*