# WingFrequency vs Fish Identifier

The clearest difference is price: Fish Identifier at Free against WingFrequency's $1.99. Fish Identifier also leads on update cadence (every 3 weeks vs every 53 months). WingFrequency's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Fish Identifier is free to download; WingFrequency costs $1.99 up front. Fish Identifier sells 2 in-app purchases, starting at $3.99 per 7 days. WingFrequency asks for nothing beyond the download.

WingFrequency ships an update every 53 months, Fish Identifier every 3 weeks. The most recent releases landed on October 13, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | WingFrequency | Fish Identifier |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[3.6 (44 ratings)](https://appshunter.io/ios/app/fish-identifier-fish-id/id1591573074/reviews)** |
| Number of ratings | — | **44** |
| Positive reviews | **100.0% of reviews** | 67.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 53 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 62 MB | 90 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Control-J](https://appshunter.io/developer/1205219823) | [Huong Vu Lan](https://appshunter.io/developer/1591573076) |

## What reviewers say

### WingFrequency

[App page](https://appshunter.io/ios/app/wingfrequency/id1205219824)

This app simplifies measuring glider wing frequency. Place your device on the wingtip, initiate the measurement, and gently rock the wing. The app automatically calculates and displays the resonant frequency, typically within 15 seconds and accurate to +/- 1 beat per second.

**Highlights:** Automatic frequency calculation, Uses device sensors, Stable measurement detection, Accurate to +/- 1 beat per second, Quick measurement (approx. 15 seconds)

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

**In-app purchases:** none


### Fish Identifier

[App page](https://appshunter.io/ios/app/fish-identifier-fish-id/id1591573074)

Instantly identify fish species using AI by taking or uploading a photo. Access a vast encyclopedia of over 3000 fish with detailed information and save your discoveries.

**Highlights:** AI-powered fish identification from photos, Database of 3000+ fish species, Detailed fish information, Save identified fish to collection, Fuzzy search for similar fish

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fish ID Weekly | $3.99 | per 7 days |
| Fish ID Yearly | $39.99 | per year |

**What reviewers like**

- 📸 Accurate fish identification
- 📚 Extensive fish encyclopedia
- 💡 Fast recognition speed
- 👍 Easy to use
- 👨‍👩‍👧‍👦 Great for families

**What reviewers complain about**

- 💰 Expensive subscription
- 💸 Unclear pricing
- 🚫 Limited free usage
- ⚠️ Inaccurate identification sometimes
- 📺 Excessive ads

**Reported bugs**

- Error message 'none value'
- Unable to identify fish consistently
- Subscription cancellation issues
- Incorrect identification of species

**Requested features**

- More free identifications
- Clearer pricing upfront
- Option to disable ads
- Better freshwater fish identification
- Refund for non-working subscriptions


## Frequently asked questions

### Is WingFrequency free?

WingFrequency costs $1.99, with no in-app purchases.

### Is Fish Identifier free?

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

### Do WingFrequency or Fish Identifier have ads?

Fish Identifier shows ads; WingFrequency does not.

### Which is updated more often, WingFrequency or Fish Identifier?

WingFrequency ships an update every 53 months, and Fish Identifier every 3 weeks. Most recently, WingFrequency was updated on October 13, 2026 and Fish Identifier on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*