Comparison

System Rx vs DomainDetails

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

System Rx

Features
Read full description

System Rx is the professional-grade diagnostic tool designed for power users who need exact hardware transparency. Monitor your system's vitals across iOS, and iPadOS with precise hardware identification and real-time telemetry. Key Features: Precise Hardware Identity: Accurate identification of your device model, chip (including M4, A18 Pro, and A17 Pro), and technical specs. CPU & RAM Monitoring: Monitor processor load and memory footprint in real-time with technical-grade accuracy. System Thermal States: Keep an eye on your device's temperature and thermal throttling status. Storage & Battery: Detailed insights into SSD health, read/write rates, and battery cycles. Privacy First: No telemetry leaves your device. All data is processed locally.

About

DomainDetails

Features
Read full description

DomainDetails is a fast domain research and monitoring app for checking important domain information from your phone. Look up RDAP and WHOIS details, review registrar and expiry information, inspect DNS and SSL data, and open related web history when available. Save useful lookups locally, sync recent lookups when signed in, and monitor important domains with DomainDetails Pro. What you can do: - Look up domain ownership, registry, registrar, expiry, status, nameserver, DNSSEC, DNS, and SSL information - Save domain research on your device - Sync recent lookups and monitoring data with your DomainDetails account - Monitor domains for important changes with Pro - Review domain history and visual diffs where available - Share URLs into the app to capture and inspect domains quickly DomainDetails uses authoritative domain data sources where possible, including registry RDAP endpoints, public DNS, SSL certificate data, and public web archive availability. Domain data can be incomplete or delayed depending on registry, registrar, and public data-source availability, so critical decisions should always be verified with the authoritative provider. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

System Rx4 screens
DomainDetails4 screens

Verdict

The call

The clearest difference is in-app purchases: System Rx at none against DomainDetails's 2. System Rx also leads on device support (3 vs 1). DomainDetails's advantage is update cadence (daily vs every 3 weeks). On price, ads and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. DomainDetails sells 2 in-app purchases, starting at $9.99 per month. System Rx asks for nothing beyond the download.

UpkeepUpdate frequency

System Rx ships an update every 3 weeks, DomainDetails daily. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

Scorecard3 real differences ยท 3 level
System Rx versus DomainDetails: the parameters behind the verdict, then further details
ParameterSystem RxDomainDetails
PriceFreeFree
Update frequencyEvery 3 weeksDaily โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, Mac โ€” betteriPhone
Requires iOS17.016.4 โ€” better
Further details โ€” not scored
Size2 MB34 MB
Age rating4+4+
DeveloperMohamed SaudSimple Bytes

In-app purchases

None

System Rx

No in-app purchases

2 purchases

DomainDetails

Subscriptions2
  • DomainDetails Pro Monthly$9.991 Month
  • DomainDetails Pro Yearly$99.991 Year

Questions

Is System Rx free?
System Rx is free to download, with no in-app purchases.
Is DomainDetails free?
DomainDetails is free to download, with in-app purchases available.
Do System Rx or DomainDetails have ads?
Neither System Rx nor DomainDetails shows ads.
Which is updated more often, System Rx or DomainDetails?
System Rx ships an update every 3 weeks, and DomainDetails daily. Most recently, System Rx was updated on October 11, 2026 and DomainDetails on October 25, 2026.

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