Comparison

iService/ DeviceOn vs PromptSentry

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

Head to head
About

iService/ DeviceOn

Features
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iService/DeviceOn is an application that enables users to remotely manage devices and monitor their status, providing instant access to the latest device information.

About

PromptSentry

Features
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Detect hidden instructions in documents and images before they manipulate your AI tools. PromptSentry reviews business documents, PDFs, DOCX files, images and pasted text for prompt injection, jailbreak attempts, hidden text and encoded directions that could change how an AI assistant, agent or internal tool responds. Use PromptSentry before uploading or pasting outside content into AI. It helps you catch unsafe AI instructions in contracts, resumes, invoices, vendor files, support tickets, policies, client material, research and internal knowledge base content. Use PromptSentry for: - Business AI safety checks - Document review before using AI tools - Vendor and client document screening - Contract, invoice, resume and support ticket review - Data privacy workflows for sensitive content - Teams using AI assistants, agents, RAG systems and internal tools What you get: - Fast Safe, Suspicious or Dangerous result - Plain-language risk notes - Confidence and source context - Scan history for follow-up review - Adjustable sensitivity for your workflow - Private on-device scanning PromptSentry works as an AI scanner, file scanner and document review tool for professionals who need a simple AI security checkpoint between untrusted content and business AI workflows. Scan first, understand the risk, then decide whether to upload, edit or block the file. PromptSentry supports safer AI work without slowing down your team. PromptSentry is an assistive security tool. Detection is probabilistic and should be used as one layer of your review process.

Screenshots

iService/ DeviceOn4 screens
PromptSentry4 screens

Verdict

The call

The clearest difference is in-app purchases: iService/ DeviceOn at none against PromptSentry's 1. iService/ DeviceOn also leads on iOS requirement (15.6 vs 26.4). PromptSentry's advantage is update cadence (every 5 days vs every 4 months). On price, ads and device support 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. PromptSentry sells 1 one-off in-app purchase. iService/ DeviceOn asks for nothing beyond the download.

UpkeepUpdate frequency

iService/ DeviceOn ships an update every 4 months, PromptSentry every 5 days. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

Scorecard3 real differences ยท 3 level
iService/ DeviceOn versus PromptSentry: the parameters behind the verdict, then further details
ParameteriService/ DeviceOnPromptSentry
PriceFreeFree
Update frequencyEvery 4 monthsEvery 5 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 โ€” better26.4
Further details โ€” not scored
Size27 MB378 MB
Age rating17+4+
DeveloperAdvantech Co., Ltd.TOLGA BARIS KOC

In-app purchases

None

iService/ DeviceOn

No in-app purchases

1 purchases

PromptSentry

One-time1
  • PromptSentry Ultra$8.99

Questions

Is iService/ DeviceOn free?
iService/ DeviceOn is free to download, with no in-app purchases.
Is PromptSentry free?
PromptSentry is free to download, with in-app purchases available.
Do iService/ DeviceOn or PromptSentry have ads?
Neither iService/ DeviceOn nor PromptSentry shows ads.
Which is updated more often, iService/ DeviceOn or PromptSentry?
iService/ DeviceOn ships an update every 4 months, and PromptSentry every 5 days. Most recently, iService/ DeviceOn was updated on October 7, 2026 and PromptSentry on October 12, 2026.

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