Appworthy
Google Play
Version 6.0.0 · 2026-10-13
No release notes were provided for this version.
Instant PDF Reader
Instant PDF Reader is a clean and efficient tool for quickly opening and read…
Cool Apps Smart DevGoogle Play rating3.4★1.4K ratings
PriceFreeListed price
Age4+Store age rating
CategoryProductivity
DeveloperCool Apps Smart Dev
What we found
Full reportToo little checked to say Only reviews have been read so far (52 reviews). The app itself hasn’t been analysed.
Money
- Free to download.
From review signals only, 27 Oct 2026.
The store currently lists version 6.0.0, updated 2026-10-13.
Preview
Store screenshots supplied by the developer.
About this app
Instant PDF Reader is a clean and efficient tool for quickly opening and reading PDF files on your Android device.
It offers a lightweight design, smooth performance, and a reading-focused experience.
✅Key Features
• Quick Preview for PDFs – Instantly open PDF files stored on your device.
• Lightweight and Fast – Optimized for speed and stability, even with large documents.
• Focus on Reading – Simple interface designed for comfortable reading.
• Smooth Page Turning – Enjoy easy scrolling, zooming, and page transitions.
Permission Notice
For Android 11 and higher, the app may request All Files Access (MANAGE_EXTERNAL_STORAGE) permission.
This permission is used only to locate and manage your PDF files. No personal data is collected or shared.
Instant PDF Reader gives you a simple, secure, and reliable way to read and manage PDFs anytime.
From the developer’s store description.
For developers and the curious
The full report
The evidence, sources, measurements and versions behind every label above.
Findings and evidence
No findings are published for this listing. These are review signals, not findings: nothing here is an assessment.
No recurring theme reached our reporting threshold in the reviews we scanned.
What reviewers report
52 reviews scanned. These are signals from public reviews, not findings. Nothing here is an assessment.
No recurring theme reached our reporting threshold in the reviews we scanned. That does not establish that reviewers had no problems.
Measurements
“Not assessed” means we could not measure it. It is never a zero and never a pass.
From store data and reviews
Developer replies to reviews
Replies to fewer than 1 review in 20
Price in the store description
The store description doesn’t list prices (most don’t)
Cancelling, in the store description
The store description doesn’t say how to cancel (most don’t)
Themes reported by reviewers
No theme reported
Counted from the reviews we have read for this app. "No theme reported" means no theme reached our reporting threshold — it is not a finding that nothing is wrong with this app, and we do not say it is.
Five-star share of ratings
Under 65% five-star
Arithmetic on the stores' own published rating counts. It says nothing about why the ratings fall where they do.
In the app package we scanned
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Sensitive permissions
Not assessed
No package has been scanned for this app
Analytics or tracking SDKs in the scanned package
Not assessed
No package has been scanned for this app
Advertising SDKs in the scanned package
Not assessed
No package has been scanned for this app
How we know
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Versions and dates analysed
Review signals only. No automated analysis of the app itself has been run, so there is no analysed version to report; the signals were read from public reviews on 27 Oct 2026.
Store update history
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
Assessment record
- Status
- Review signals only
- App identifier
instant-pdf-reader- Review signals scanned
- 27 Oct 2026
- Sources used
- User reviews
- Reviews read
- 52
- Package examined
- No package scan
- Human inspection
- Not completed
How we know
- Measurement vocabulary
- 1.4
Store facts
What the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
Google Play
- Store rating
- 3.41 ★ · 1,366 ratings
- Version
- 6.0.0
- Updated
- 13 Oct 2026
- Price
- Free
- Age rating
- 4+
- Size
- Not supplied
- Developer
- Cool Apps Smart Dev
- Category
- Productivity
- Listing price
- Free
No itemized purchase list is available for this listing.
Method and limits
How a review signal works
A review signal is produced automatically from public app reviews by a classifier — never by a hands-on Appworthy test, and never by a human analyst. It exists so a real, not-yet-audited app can carry more than a blank “Not yet tested” listing, without ever being mistaken for an assessment.
A theme only appears above once at least 5 distinct reviews corroborate it — one angry review can never tag an app. These thresholds are published settings and may be tuned as coverage grows.
It carries no confirmed findings — reviews are one kind of evidence, and nothing here has been hands-on tested. The moment Appworthy publishes a full assessment of this app, it replaces this signal, permanently.
Limits of this report
- A package scan is static. It identifies code and text in one Android build. It does not measure a live ad session, test a deletion request, or count the steps needed to cancel.
- Reviews keep their sample. A review-only charge shows distinct reviewers, the share and the sample size, and is published only once it clears that label’s published threshold. Calibration labels are machine-drafted and not yet confirmed by a person.
- Not assessed is a state. It is never a zero and never a pass.
- A missing label is not a clean bill of health. It means the evidence did not support one, not that the app is problem-free.
Not yet human-reviewed. A human review replaces this review-derived signal with hands-on, recorded measurements. Hands-on inspections are not yet open.
Request a correction
Write to [email protected], or use the form. Name the finding, the app version and the evidence that needs correcting. Factual corrections are free and never depend on buying anything.