# SML+ vs Thermo Direct

The clearest difference is iOS requirement: Thermo Direct at 13.0 against SML+'s 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SML+ | Thermo Direct |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (47 ratings)](https://appshunter.io/ios/app/sml-plus/id1519595178/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 4 MB | 64 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Timothy Barr](https://appshunter.io/developer/1519595180) | [Nuve Home](https://appshunter.io/developer/1752266972) |

## What reviewers say

### SML+

[App page](https://appshunter.io/ios/app/sml-plus/id1519595178)

Stay informed about Smith Mountain Lake with real-time water levels, temperature, wind forecasts, and marine gas prices. Get alerts, track the ice cream boat, and view historical data for a better lake experience.

**Highlights:** Real-time water level updates, Hourly water temperature readings, Interactive temperature sensor map, Historical water level and temperature charts, Marine gas prices and locations, 5-day wind forecast, Water level and safety alerts

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Thermo Direct

[App page](https://appshunter.io/ios/app/thermo-direct/id6745771544)

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

**In-app purchases:** none


## Frequently asked questions

### Is SML+ free?

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

### Is Thermo Direct free?

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

### Do SML+ or Thermo Direct have ads?

Neither SML+ nor Thermo Direct shows ads.

### Which is updated more often, SML+ or Thermo Direct?

SML+ ships an update every 2 months, and Thermo Direct every 2 months. Most recently, SML+ was updated on October 5, 2026 and Thermo Direct on October 2, 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.*