# First vs SmarTemp 3.0

The clearest difference is rating: SmarTemp 3.0 at 3.3 against First's 2.3. SmarTemp 3.0 also leads on update cadence (every 5 weeks vs every 5 months) and iOS requirement (9.0 vs 11.0). On price, review sentiment, ratings volume and ads there is nothing between them.

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

SmarTemp 3.0 holds the better App Store score, 3.3 against 2.3. Both are backed by a comparable volume of ratings — 16 and 6 respectively. Written reviews point the same way: 17% of First's written reviews are positive against 18% of SmarTemp 3.0's.

First ships an update every 5 months, SmarTemp 3.0 every 5 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | First | SmarTemp 3.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (16 ratings)](https://appshunter.io/ios/app/first-link/id1203747139/reviews) | **[3.3 (6 ratings)](https://appshunter.io/ios/app/smartemp-30/id1546720847/reviews)** |
| Number of ratings | **16** | 6 |
| Positive reviews | 16.7% of reviews | **18.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 128 MB | 30 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Snap-on Inc.](https://appshunter.io/developer/501219324) | [Globus Sistemas Eletronicos Ltda](https://appshunter.io/developer/1211409010) |

## What reviewers say

### First

[App page](https://appshunter.io/ios/app/first-link/id1203747139)

Connect your mobile device to a commercial vehicle's diagnostic port to monitor its health status. Understand fault codes, view vehicle specifications, and track trip data to improve uptime and aid in service and repair.

**Highlights:** Connect to vehicle diagnostic port, Monitor vehicle health status, View active and inactive fault codes, Display vehicle specifications (VIN, ECU info), Track trip data (fuel, miles, speed, hours), Generate and share vehicle reports

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

**In-app purchases:** none


### SmarTemp 3.0

[App page](https://appshunter.io/ios/app/smartemp-30/id1546720847)

Control your parking heater remotely. Schedule heating or ventilation, monitor interior temperature, and check battery charge. Access additional service information online.

**Highlights:** Remote heater operation, Time-based heating schedules, Individual heating programming, Heating and ventilation modes, Interior temperature display, Battery charge monitoring

**In-app purchases:** none


## Frequently asked questions

### Is First free?

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

### Is SmarTemp 3.0 free?

SmarTemp 3.0 is free to download, with no in-app purchases.

### Which has better reviews, First or SmarTemp 3.0?

SmarTemp 3.0 is rated higher. First averages 2.3 out of 5 from 16 ratings, while SmarTemp 3.0 averages 3.3 from 6 ratings.

### Do First or SmarTemp 3.0 have ads?

Neither First nor SmarTemp 3.0 shows ads.

### Which is updated more often, First or SmarTemp 3.0?

First ships an update every 5 months, and SmarTemp 3.0 every 5 weeks. Most recently, First was updated on October 5, 2026 and SmarTemp 3.0 on October 7, 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.*