# Swell Info vs CMonster

The clearest difference is price: CMonster at Free against Swell Info's $2.99. CMonster also leads on rating (2.1 vs 1.7) and update cadence (every 3 months vs every 8 months). Swell Info's advantage is iOS requirement (6.0 vs 12.0). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

CMonster is free to download; Swell Info costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CMonster holds the better App Store score, 2.1 against 1.7. Both are backed by a comparable volume of ratings — 183 and 101 respectively. Written reviews point the same way: 8% of Swell Info's written reviews are positive against 13% of CMonster's.

Swell Info ships an update every 8 months, CMonster every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Swell Info | CMonster |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.7 (183 ratings)](https://appshunter.io/ios/app/swell-info/id327041514/reviews) | **[2.1 (101 ratings)](https://appshunter.io/ios/app/cmonster/id938407650/reviews)** |
| Number of ratings | **183** | 101 |
| Positive reviews | 8.0% of reviews | **13.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 6 MB | 38 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Outdoor Hub LLC](https://appshunter.io/developer/395229370) | [JL Marine Systems](https://appshunter.io/developer/938407649) |

## What reviewers say

### Swell Info

[App page](https://appshunter.io/ios/app/swell-info/id327041514)

Get detailed 7-day surf forecasts, current weather, tides, and buoy data for numerous locations. Plan your surf sessions with color-coded summaries and in-depth hourly information.

**Highlights:** 7-day detailed surf forecasts, Current weather and tides, Buoy data, Hourly wind and swell data, Color-coded forecast summaries, Favorite location management

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

**In-app purchases:** none

**What reviewers like**

- 📊 Accurate swell forecasts (when working)
- 👍 User-friendly interface and easy navigation
- 🎯 Quick snapshot view for multiple surf spots
- 📈 Detailed 7-day forecast with 3-hour increments
- 🌊 More accurate than competitors like Surfline and Magic Seaweed

**What reviewers complain about**

- 🐛 App crashes on startup or when selecting regions
- ❌ Data not updating for extended periods (months)
- 📅 Calendar stuck on incorrect day (Thursday)
- 🌊 Inaccurate swell height forecasts
- 🔄 Sync issues with current conditions

**Reported bugs**

- App crashes upon opening
- Forecast data fails to update
- Calendar displays incorrect day of week
- Swell height predictions wildly inaccurate
- Wind speed shows zero for extended periods

**Requested features**

- Add Canadian surf spots
- Include Kauai Hawaiian location
- Integrate swell maps from website into app
- Expand international coverage beyond USA
- Add dark mode option


### CMonster

[App page](https://appshunter.io/ios/app/cmonster/id938407650)

Control your Power-Pole Shallow Water Anchor with this app via Bluetooth LE. It offers advanced boat control for sport fishing. Requires ownership of compatible Power-Pole devices.

**Highlights:** Bluetooth LE control, Power-Pole device operation, Advanced boat control, Sport fishing enhancement

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

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient app control
- 👍 Useful for battery management
- 👍 Emergency start function
- 👍 Good customer service (mentioned once)

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 App crashes often
- 🐛 Incompatible with Micro anchor
- 🐛 Does not work with iOS devices (specifically Micro)
- 🐛 Battery balancing problems

**Reported bugs**

- Cannot connect to server
- App crashes constantly
- App does not find the micro anchor
- App does not work with micro power pole on IOS
- App will not stay linked up with iPhone

**Requested features**

- Improve Bluetooth connectivity
- App compatibility for Micro anchor
- Fix ISO version issues
- Add battery information settings
- Improve app compatibility for iOS


## Frequently asked questions

### Is Swell Info free?

Swell Info costs $2.99, with no in-app purchases.

### Is CMonster free?

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

### Which has better reviews, Swell Info or CMonster?

CMonster is rated higher. Swell Info averages 1.7 out of 5 from 183 ratings, while CMonster averages 2.1 from 101 ratings.

### Do Swell Info or CMonster have ads?

Neither Swell Info nor CMonster shows ads.

### Which is updated more often, Swell Info or CMonster?

Swell Info ships an update every 8 months, and CMonster every 3 months. Most recently, Swell Info was updated on October 26, 2026 and CMonster on October 24, 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.*