# DTNA eLink vs SmarTemp 3.0

The clearest difference is rating: DTNA eLink at 4.3 against SmarTemp 3.0's 3.3. SmarTemp 3.0's advantage is review sentiment (18% vs 0%) and update cadence (every 5 weeks vs every 3 months). On price, ratings volume, 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.

DTNA eLink holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 4 and 6 respectively. Written reviews complicate that: 0% of DTNA eLink's written reviews are positive against 18% of SmarTemp 3.0's, so the app with the better star average is not the one people write more warmly about.

DTNA eLink ships an update every 3 months, SmarTemp 3.0 every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | DTNA eLink | SmarTemp 3.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/dtna-elink/id1174547488/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/smartemp-30/id1546720847/reviews) |
| Number of ratings | 4 | **6** |
| Positive reviews | 0.0% of reviews | **18.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 109 MB | 30 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daimler Truck North America LLC](https://appshunter.io/developer/419454759) | [Globus Sistemas Eletronicos Ltda](https://appshunter.io/developer/1211409010) |

## What reviewers say

### DTNA eLink

[App page](https://appshunter.io/ios/app/dtna-elink/id1174547488)

This app connects to heavy trucks to monitor vehicle health, diagnose issues like check engine lights, and access important operational information. It provides access to manuals, maintenance schedules, and service locations to help drivers increase truck uptime.

**Highlights:** Vehicle health monitoring, Diagnostic fault code explanation, Maintenance schedule and fluid capacities, Access to driver and operator manuals, Service locator, Trip information tracking

**Features:** macOS Compatibility

**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 DTNA eLink free?

DTNA eLink 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, DTNA eLink or SmarTemp 3.0?

DTNA eLink is rated higher. DTNA eLink averages 4.3 out of 5 from 4 ratings, while SmarTemp 3.0 averages 3.3 from 6 ratings.

### Do DTNA eLink or SmarTemp 3.0 have ads?

Neither DTNA eLink nor SmarTemp 3.0 shows ads.

### Which is updated more often, DTNA eLink or SmarTemp 3.0?

DTNA eLink ships an update every 3 months, and SmarTemp 3.0 every 5 weeks. Most recently, DTNA eLink was updated on November 2, 2026 and SmarTemp 3.0 on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*