# ThermoCase PRO vs Narda FieldMan

The clearest difference is update cadence: ThermoCase PRO at every 3 weeks against Narda FieldMan's every 6 months. ThermoCase PRO also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

ThermoCase PRO ships an update every 3 weeks, Narda FieldMan every 6 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ThermoCase PRO | Narda FieldMan |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 23 MB | 55 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yuriy Burkovskiy](https://appshunter.io/developer/1708889498) | [Narda Safety Test Solutions GmbH](https://appshunter.io/developer/1712609558) |

## What reviewers say

### ThermoCase PRO

[App page](https://appshunter.io/ios/app/thermocase-pro/id6467635602)

Monitor and manage your car's battery with this app. It connects to ThermoCase devices via Bluetooth LE to display temperature, voltage, charge level, and battery health. Ideal for cars, trucks, and stationary equipment to ensure optimal battery performance.

**Highlights:** Bluetooth LE connectivity, Real-time battery temperature monitoring, Voltage and charge level display, Battery State of Health (SOH) reporting, Supports cars, trucks, and stationary installations

**In-app purchases:** none


### Narda FieldMan

[App page](https://appshunter.io/ios/app/narda-fieldman/id6469765297)

**In-app purchases:** none


## Frequently asked questions

### Is ThermoCase PRO free?

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

### Is Narda FieldMan free?

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

### Do ThermoCase PRO or Narda FieldMan have ads?

Neither ThermoCase PRO nor Narda FieldMan shows ads.

### Which is updated more often, ThermoCase PRO or Narda FieldMan?

ThermoCase PRO ships an update every 3 weeks, and Narda FieldMan every 6 months. Most recently, ThermoCase PRO was updated on October 24, 2026 and Narda FieldMan on October 14, 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.*