# Dialnostics vs JMA America

The clearest difference is price: JMA America at Free against Dialnostics's $5.99. JMA America also leads on update cadence (weekly vs every 7 months). Dialnostics's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

JMA America is free to download; Dialnostics costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dialnostics ships an update every 7 months, JMA America weekly. The most recent releases landed on September 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Dialnostics | JMA America |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/dialnostics/id662583874/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Paid | — |
| Size | 1 MB | 16 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Farren Domenici](https://appshunter.io/developer/583666476) | [Eduardo Romero](https://appshunter.io/developer/1462060217) |

## What reviewers say

### Dialnostics

[App page](https://appshunter.io/ios/app/dialnostics/id662583874)

This tool automates standard dialing diagnostic techniques for safe combinations. Input the current combination to see possible new combinations based on common lock issues like user error, loose dials, or stuck mechanisms. It also offers random combination generation and customization options.

**Highlights:** Automated dialing diagnostics, Possible new combination generation, Mark tried combinations, User error combination reveal, Loose dial ring reveal, Stuck fly reveal, Loose spline key reveal, Random combo generator

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

**In-app purchases:** none


### JMA America

[App page](https://appshunter.io/ios/app/jma-america/id1464552449)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dialnostics free?

Dialnostics costs $5.99, with no in-app purchases.

### Is JMA America free?

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

### Do Dialnostics or JMA America have ads?

Neither Dialnostics nor JMA America shows ads.

### Which is updated more often, Dialnostics or JMA America?

Dialnostics ships an update every 7 months, and JMA America weekly. Most recently, Dialnostics was updated on September 7, 2026 and JMA America on September 15, 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.*