# BluBay vs Bayline

The clearest difference is in-app purchases: BluBay at none against Bayline's 5. Bayline's advantage is update cadence (every 2 days vs fortnightly). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Bayline sells 5 one-off in-app purchases. BluBay asks for nothing beyond the download.

BluBay ships an update fortnightly, Bayline every 2 days. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | BluBay | Bayline |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 75 MB | 37 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iPROTECHS](https://appshunter.io/developer/1420031586) | [Sree Harinarayana shrimp technologies private limited](https://appshunter.io/developer/1824657974) |

## What reviewers say

### BluBay

[App page](https://appshunter.io/ios/app/blubay/id1464510180)

Digitize daily farm records for aquaculture workers and farmers. Track stocking, feed logs, applications, sampling, and harvest logs with an intuitive mobile interface.

**Highlights:** Digitize farm records, Stocking logs, Feed logs, Application tracking, Sampling logs, Harvest logs

**Features:** macOS Compatibility

**In-app purchases:** none


### Bayline

[App page](https://appshunter.io/ios/app/bayline/id6748222604)

This AI-powered app uses your mobile camera to count shrimp larvae in aquaculture settings. Simply take a photo, and the advanced AI model provides instant, high-accuracy counts for hatchery owners and farmers.

**Highlights:** AI-powered shrimp counting, Cloud-based processing, Fast and efficient results, Designed for hatcheries and farmers, High-accuracy detection

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Picture Credits | $1.99 | one-time |
| 25 Picture Credits | $4.99 | one-time |
| 50 Picture Credits | $8.99 | one-time |
| 100 Picture Credits | $17.99 | one-time |
| 250 Picture Credits | $44.99 | one-time |


## Frequently asked questions

### Is BluBay free?

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

### Is Bayline free?

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

### Do BluBay or Bayline have ads?

Neither BluBay nor Bayline shows ads.

### Which is updated more often, BluBay or Bayline?

BluBay ships an update fortnightly, and Bayline every 2 days. Most recently, BluBay was updated on September 17, 2026 and Bayline on September 21, 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.*