# Marine Barograph vs PredictCurrent

The clearest difference is price: PredictCurrent at Free against Marine Barograph's $14.99. PredictCurrent also leads on rating (4.5 vs 3.8) and ratings volume (271 vs 5). Marine Barograph's advantage is in-app purchases (none vs 5). On update cadence, ads, chart position and device support there is nothing between them.

PredictCurrent is free to download; Marine Barograph costs $14.99 up front. PredictCurrent sells 5 in-app purchases, starting at $15.00 per month. Marine Barograph asks for nothing beyond the download.

PredictCurrent holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: PredictCurrent has 271 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 43% of Marine Barograph's written reviews are positive against 57% of PredictCurrent's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Marine Barograph | PredictCurrent |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/marine-barograph/id1393761744/reviews) | **[4.5 (271 ratings)](https://appshunter.io/ios/app/predictcurrent/id6468610449/reviews)** |
| Number of ratings | 5 | **271** |
| Positive reviews | 42.9% of reviews | **56.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | #175 | **#93** |
| Size | 67 MB | 50 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Starpath Corp](https://appshunter.io/developer/1345556660) | [PredictWind Limited](https://appshunter.io/developer/477048590) |

## What reviewers say

### Marine Barograph

[App page](https://appshunter.io/ios/app/marine-barograph/id1393761744)

**Currently charting:** #175 Top Paid · Weather (US App Store)

This application logs atmospheric pressure with time, date, and GPS data, allowing for detailed graphing and analysis of trends. It can also share data wirelessly with other devices and convert older iPhones into stand-alone barographs.

**Highlights:** Automatic atmospheric pressure logging, GPS position, COG, and SOG recording, Pressure vs. time graphing with zoom/pan, Pressure trend arrows and tendency computation, Data export (log, GPX), Wireless data sharing via Wi-Fi UDP, Converts older iPhones to stand-alone barographs

**Features:** Vision Pro support

**In-app purchases:** none


### PredictCurrent

[App page](https://appshunter.io/ios/app/predictcurrent/id6468610449)

**Currently charting:** #93 Top Grossing · Weather (US App Store)

Navigate coastal waters with detailed tidal and ocean current maps. Access 10-day forecasts for currents, wind, waves, and sea temperatures. Essential for safe marine planning and exploration.

**Highlights:** Ultra-high-resolution 100m tidal current maps, 400m and 4km global coastline coverage, 10-day animated forecasts for currents, wind, and waves, Hourly tide chart data, Wind-against-current interaction analysis, Sea temperature tracking

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PredictCurrent Pro 1-Month | $15.00 | per month |
| PredictCurrent Pro 3-Monthly | $29.00 | per 3 months |
| PredictCurrent Pro 3-Monthly | $29.00 | per 3 months |
| PredictCurrent Pro 3-Monthly | $29.00 | per 3 months |
| PredictCurrent Pro Annual | $99.00 | per year |

**What reviewers like**

- 📊 Detailed hour-by-hour current visualizations
- 🎯 Accurate tidal and current predictions
- 👍 Intuitive and user-friendly interface
- 🌊 Comprehensive water condition data (wind, tide, waves, temperature)
- 💼 Valuable competitive advantage for water sports professionals

**What reviewers complain about**

- 💰 Expensive subscription pricing ($24-30 quarterly)
- 🚫 Mandatory account creation required
- 📍 Limited geographic coverage and location availability
- ⏰ Forecast data limited to short timeframes (until 11am-noon next day)
- 🔐 Privacy concerns regarding personal data collection

**Reported bugs**

- Unable to add location error messages despite valid coordinates
- Location setup fails to respond or complete
- Password not saved correctly in database, preventing login
- Account creation fails with character handling errors
- App crashes when setting locations

**Requested features**

- Extended forecast data for full 24-hour next day coverage
- Smaller time increment stepping (sub-hourly) for racing
- Exact tide turn time information beyond hourly data
- Legend/symbol guide for app indicators
- Improved coastal and estuarine modeling


## Frequently asked questions

### Is Marine Barograph free?

Marine Barograph costs $14.99, with no in-app purchases.

### Is PredictCurrent free?

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

### Which has better reviews, Marine Barograph or PredictCurrent?

PredictCurrent is rated higher. Marine Barograph averages 3.8 out of 5 from 5 ratings, while PredictCurrent averages 4.5 from 271 ratings.

### Do Marine Barograph or PredictCurrent have ads?

Neither Marine Barograph nor PredictCurrent shows ads.

### Which is updated more often, Marine Barograph or PredictCurrent?

Marine Barograph ships an update monthly, and PredictCurrent monthly. Most recently, Marine Barograph was updated on November 6, 2026 and PredictCurrent on November 7, 2026.

### Which is more popular, Marine Barograph or PredictCurrent?

Marine Barograph currently peaks at #175 in the App Store charts, and PredictCurrent at #93. Chart position reflects recent download velocity rather than total install base.

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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.*