# Tmeter LTA vs Sensors NM

The clearest difference is in-app purchases: Tmeter LTA at none against Sensors NM's 8. Tmeter LTA also leads on update cadence (every 4 days vs every 4 weeks) and iOS requirement (12.0 vs 15.6). Sensors NM's advantage is review sentiment (63% vs 50%). On price, ads and device support there is nothing between them.

Both are free to download. Sensors NM sells 8 one-off in-app purchases. Tmeter LTA asks for nothing beyond the download.

Tmeter LTA ships an update every 4 days, Sensors NM every 4 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Tmeter LTA | Sensors NM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sensors-nm/id1554884319/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 50.0% of reviews | **62.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 4 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 11 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TERMEKS, OOO](https://appshunter.io/developer/1519745792) | [Sergey Krasavin](https://appshunter.io/developer/1554884321) |

## What reviewers say

### Tmeter LTA

[App page](https://appshunter.io/ios/app/tmeter-lta/id1519745790)

This application enhances LTA thermometers by enabling temperature data storage on smartphones. It allows for the calculation of temperature statistics, control of discrete inputs/outputs, and script execution for advanced control programs. Users can also manage thermometer modes and calibration.

**Highlights:** Store measured temperature data, Calculate min, max, and mean temperatures, Control discrete inputs and outputs, Execute script-based control programs, Record temperature changes over time, Control thermometer modes, Perform thermometer calibration

**Features:** macOS Compatibility

**In-app purchases:** none


### Sensors NM

[App page](https://appshunter.io/ios/app/sensors-nm/id1554884319)

Monitor IoT devices and sensors, both public and your own. Visualize data with custom dashboards and historical plots. Receive important notifications and access aviation weather reports.

**Highlights:** Monitor public and private IoT sensors, Map view of public sensors, Create custom sensor dashboards, Plot sensor data over time, Receive project notifications, View aviation METAR reports

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation (Level 1) | $0.99 | one-time |
| Small tips | $1.99 | one-time |
| Donation (Level 2) | $1.99 | one-time |
| Donation (Level 3) | $3.99 | one-time |
| Medium tips | $4.99 | one-time |
| Donation (Level 4) | $5.99 | one-time |
| Huge tips | $10.99 | one-time |
| Donation (Level 5) | $10.99 | one-time |


## Frequently asked questions

### Is Tmeter LTA free?

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

### Is Sensors NM free?

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

### Do Tmeter LTA or Sensors NM have ads?

Neither Tmeter LTA nor Sensors NM shows ads.

### Which is updated more often, Tmeter LTA or Sensors NM?

Tmeter LTA ships an update every 4 days, and Sensors NM every 4 weeks. Most recently, Tmeter LTA was updated on November 3, 2026 and Sensors NM on November 3, 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.*