# CPU X vs REGA Decoder

The clearest difference is price: REGA Decoder at Free against CPU X's $2.99. REGA Decoder also leads on iOS requirement (14.0 vs 16.0). CPU X's advantage is update cadence (every 10 days vs every 12 months) and device support (4 vs 2). On ads and in-app purchases there is nothing between them.

REGA Decoder is free to download; CPU X costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CPU X ships an update every 10 days, REGA Decoder every 12 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | CPU X | REGA Decoder |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (309 ratings)](https://appshunter.io/ios/app/cpu-x/id1329609396/reviews)** | — |
| Number of ratings | **309** | — |
| Positive reviews | 38.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 12 months |
| Monetization | Free | — |
| Size | 11 MB | 3 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | **iPhone, iPad, Apple TV, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [恒俭 董](https://appshunter.io/developer/947356968) | [Flik Irrigation Office UG (haftungsbeschraenkt)](https://appshunter.io/developer/1613125969) |

## What reviewers say

### CPU X

[App page](https://appshunter.io/ios/app/cpu-x/id1329609396)

This utility app provides detailed hardware and software diagnostics for iOS devices. It displays system information, CPU frequencies, memory size, and device model identification. A convenient Today widget offers quick access to speed-related information.

**Highlights:** System Information, CPU Frequency (Max & Instantaneous), Memory Size, SoC and Device Model Identification, Firmware Information, Today Widget

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Displays CPU frequency
- 👍 Shows hardware info
- 👍 Compact and clean UI
- 👍 Useful widget
- 👍 Good for identifying throttling

**What reviewers complain about**

- 👎 Charges without purchase
- 👎 App crashes frequently
- 👎 App doesn't start
- 👎 Only shows info, no optimization
- 👎 Wastes money

**Reported bugs**

- App freezes on current CPU frequency
- App force closes on iPhone Xs Max
- App crashes immediately after installation
- App does not start at all
- App crashes immediately

**Requested features**

- Add engineering news for iOS
- Add notifications
- Add RAM clearing functionality
- Add max CPU frequency info


### REGA Decoder

[App page](https://appshunter.io/ios/app/rega-decoder/id1613125967)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CPU X free?

CPU X costs $2.99, with no in-app purchases.

### Is REGA Decoder free?

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

### Do CPU X or REGA Decoder have ads?

Neither CPU X nor REGA Decoder shows ads.

### Which is updated more often, CPU X or REGA Decoder?

CPU X ships an update every 10 days, and REGA Decoder every 12 months. Most recently, CPU X was updated on October 25, 2026 and REGA Decoder on October 25, 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.*