# AX vs Spot Authenticator

The clearest difference is ads: Spot Authenticator at none against AX's shown. Spot Authenticator also leads on update cadence (weekly vs every 7 months). AX's advantage is iOS requirement (16.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. AX sells 3 one-off in-app purchases and Spot Authenticator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AX ships an update every 7 months, Spot Authenticator weekly. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AX | Spot Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (17 ratings)](https://appshunter.io/ios/app/ax-cpu-device-info/id1048174418/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 55.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 5 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [优贤 刘](https://appshunter.io/developer/6777862714) |

## What reviewers say

### AX

[App page](https://appshunter.io/ios/app/ax-cpu-device-info/id1048174418)

Discover detailed CPU information for your device, including its name, model, manufacturer, and other technical specifications. This utility app provides a straightforward way to access your system's processor details.

**Highlights:** CPU name identification, CPU model details, CPU manufacturer information, Technical specifications display, Device processor profiling

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Defender | $0.99 | one-time |
| Guardian | $1.99 | one-time |
| Hero | $3.99 | one-time |


### Spot Authenticator

[App page](https://appshunter.io/ios/app/spot-authenticator/id6787064913)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $2.99 | one-time |


## Frequently asked questions

### Is AX free?

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

### Is Spot Authenticator free?

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

### Do AX or Spot Authenticator have ads?

AX shows ads; Spot Authenticator does not.

### Which is updated more often, AX or Spot Authenticator?

AX ships an update every 7 months, and Spot Authenticator weekly. Most recently, AX was updated on October 8, 2026 and Spot Authenticator on October 4, 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.*