Comparison

iDocuments Mobile vs Sentinel InstaCheck +

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

Head to head
About

iDocuments Mobile

Features
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Streamline, automate and simplify. iDocuments provides you with integrated web, cloud and mobile business software solutions that give you access anytime and anywhere to the information you need to work smarter. The iDocuments app for iPhone simplifies business expenses, credit card receipting and document approval. - Approve & reject workflow documents of various types - View, validate and submit your expenses - Attach receipts, or take a photo with your iPhone for auto-attachment - Upload cash, mileage, entertainment and hotel expenses - Allocate expenses to projects and analysis codes - Enter locations to auto-calculate mileage - Capture and upload credit card receipts

About

Sentinel InstaCheck +

Features
Read full description

Used in conjunction with the InstaCheck water test kit - sold separately - the app guides users through best practice guidelines based on BS7593 standard; It generates a water quality report with tailored recommendations for ongoing system care, according to water test results. InstaCheck allows users to follow UK best practice at install and service visits, ensuring boiler and heat pump installations are protected against corrosion and scaling. Poor water quality and inadequate treatment can result in breakdowns, loss of heating efficiency and excessive fuel consumption; The tests and recommendations in InstaCheck reports are designed to help protect installations from these common problems.

Screenshots

iDocuments Mobile4 screens
Sentinel InstaCheck +3 screens

Verdict

The call

iDocuments Mobile and Sentinel InstaCheck + are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iDocuments Mobile ships an update every 2 months, Sentinel InstaCheck + every 4 months. The most recent releases landed on August 2, 2026 and September 10, 2026 respectively.

ScorecardNo meaningful differences
iDocuments Mobile versus Sentinel InstaCheck +: the parameters behind the verdict, then further details
ParameteriDocuments MobileSentinel InstaCheck +
PriceFreeFree
Update frequencyEvery 2 months โ€” betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size26 MB3 MB
Age rating4+4+
DeveloperVision33, Inc.Energy & Compliance Technology Ltd

In-app purchases

None

iDocuments Mobile

No in-app purchases

None

Sentinel InstaCheck +

No in-app purchases

Questions

Is iDocuments Mobile free?
iDocuments Mobile is free to download, with no in-app purchases.
Is Sentinel InstaCheck + free?
Sentinel InstaCheck + is free to download, with no in-app purchases.
Do iDocuments Mobile or Sentinel InstaCheck + have ads?
Neither iDocuments Mobile nor Sentinel InstaCheck + shows ads.
Which is updated more often, iDocuments Mobile or Sentinel InstaCheck +?
iDocuments Mobile ships an update every 2 months, and Sentinel InstaCheck + every 4 months. Most recently, iDocuments Mobile was updated on August 2, 2026 and Sentinel InstaCheck + on September 10, 2026.

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