# Back vs ELMCheck

The clearest difference is price: ELMCheck at Free against Back's $0.99. ELMCheck also leads on update cadence (every 10 days vs every 7 months). Back's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 18). On rating, review sentiment, ratings volume and ads there is nothing between them.

ELMCheck is free to download; Back costs $0.99 up front. ELMCheck sells 1 one-off in-app purchase. Back asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Back against 5.0 for ELMCheck. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Back ships an update every 7 months, ELMCheck every 10 days. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Back | ELMCheck |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/back-time-calculator/id429892615/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/elmcheck/id6479630442/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 6 MB |
| Requires iOS | **13.0** | 18 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Goodman Productions](https://appshunter.io/developer/415454974) | [Fearless design, LLC](https://appshunter.io/developer/321056993) |

## What reviewers say

### Back

[App page](https://appshunter.io/ios/app/back-time-calculator/id429892615)

This utility app subtracts entered time values from a starting point of 60:00. It allows for easy deletion of individual entries or clearing all values to start fresh. Ideal for quick time calculations.

**Highlights:** Subtracts entered time values, Starts at 60:00, AC button to clear all, Swipe to delete individual entries, Simple user interface

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

**In-app purchases:** none


### ELMCheck

[App page](https://appshunter.io/ios/app/elmcheck/id6479630442)

Verify the authenticity and functionality of your OBD-II scanner. This app runs comprehensive tests on ELM327 commands to report supported features, ensuring safe and reliable use with your vehicle.

**Highlights:** Authenticity testing for OBD-II scanners, Comprehensive ELM327 command test suite, Reports actual supported features, Ensures safe scanner usage, Basic tests are free, Unlock full suite with in-app purchase

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Comprehensive testing | $2.99 | one-time |


## Frequently asked questions

### Is Back free?

Back costs $0.99, with no in-app purchases.

### Is ELMCheck free?

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

### Which has better reviews, Back or ELMCheck?

Back and ELMCheck are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Back or ELMCheck have ads?

Neither Back nor ELMCheck shows ads.

### Which is updated more often, Back or ELMCheck?

Back ships an update every 7 months, and ELMCheck every 10 days. Most recently, Back was updated on October 9, 2026 and ELMCheck on October 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.*