Phone Diagnostics vs Smart Calculator Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Phone Diagnostics
Easily test and check all mobile device functionalities. This app is useful before purchasing a device, sending it for repair, or after receiving it back. It also helps you locate nearby repair shops.
- Test device functionalities
- Check hardware before buying
- Verify repairs
- Find local repair shops
- Improve QC processes
- Facilitate trade-in
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Phone diagnostics helps the end user to easily test and check the functionalities of mobile devices before buying, sending to repair shop, or after repair. It helps to find the repair shop near you. This app can also be used by QC in repair shop or refurbish factory. Most of the refurbish/repair factory is using manual QC process. The QC staff tends to skip/miss the test items and some items need several steps to perform one test case. With this app you can improve the quality and productivity of QC process significantly. Contact us for factory version where all steps running automatically, ads are removed and the result is uploaded to factory shop floor control system. You will have real time data for analysis and improve the production. It helps to facilitate the trade-in, enable the another life for the mobile device.
Smart Calculator Plus
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All the calculators you need in your daily life, in one clean and fast app. No sign-up, no internet connection, no data collection. INCLUDED CALCULATORS - BMI (Body Mass Index) Calculate your BMI by entering your weight and height. See which range you fall into (underweight, normal, overweight, obese) and what your healthy weight range would be. - Loan Payments Calculate the monthly payment for any loan: car, home, or personal. French amortization system with full payment schedule, total paid, and total interest. - Tip Calculator Split the bill among friends with 10%, 15%, 20% or custom tip. See per-person amount, total tip, and grand total. - Percentages Three modes in one: what is X% of a number, what percentage one number is of another, and increase or decrease between two values. - Rule of Three Direct or inverse proportions with a visual grid. Perfect for conversions, scaling, and everyday problems. - Compound Interest Project how your savings or investments grow over time with compound interest. Set initial amount, monthly contribution, annual rate, and time period. WHY THIS APP 100% local: all calculations happen on your iPhone No internet required: works anywhere, anytime No accounts or sign-up No personal data collection No invasive ads Dark mode design, easy on the eyes Clean, distraction-free interface WHO IT'S FOR - Professionals who do daily calculations - Students who need math tools at hand - Anyone who wants essential calculators in one place - People comparing loans, splitting bills, or tracking fitness PRIVACY FIRST Your data never leaves your phone. We don't have servers, we don't have analytics, we don't have ads. Just calculators. Made with care.
Screenshots
Verdict
The clearest difference is in-app purchases: Smart Calculator Plus at none against Phone Diagnostics's 1. Phone Diagnostics's advantage is iOS requirement (12 vs 17.6). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Phone Diagnostics sells 1 one-off in-app purchase. Smart Calculator Plus asks for nothing beyond the download.
| Parameter | Phone Diagnostics | Smart Calculator Plus |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (86 ratings) — better | — |
| Positive reviews | 63.4% of reviews | — |
| Number of ratings | 86 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12 — better | 17.6 |
| Further details — not scored | ||
| Size | 35 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | HITEK_NOVA | Hector Pedro Toledo |
Bugs and requests
Phone Diagnostics
Reported bugs
33 issues- Camera/microphone activity noticed after download
- Charged $149.99 at Apple Store during testing
- NFC check missing
- Repair suggested for skipped NFC test
- Memory tests missing
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- 3D touch test inaccurate
- Multi-touch test only checks for 2 fingers
- Barometer test function not working on iPhones
- Sound test marks iPhone 15 as faulty (when it's not)
- App dials 900 (Sberbank) during testing
- App froze iPhone
- Volume up during microphone test woke up house
- Glitchy on iPad Pro, fails multi-touch test
- Ads block testing area
- Test page won't stay up
- Speaker test plays sound through earpiece on second run
- 900 number test for phone calling function not working
- Tests for features not present (e.g., headphone port on iPhone 8+)
- Developer website is useless, no feature request or bug reporting
- No user support
- Video ad played suddenly and loudly
- Cancelling a test results in a failure
- Latest update is buggy, fires off automated test sequence randomly
- Headset button ad covers it
- 3D Touch only registers to 83%
- Takes away identification data without knowledge
- Ad at the bottom covers headset button
- Multi-tap failed even though it worked
- Flash didn't work after screen repair, app fixed it
- Dead pixels on screen identified
- Zoomed camera lens issue not identified
- App immediately bumps volume and plays music on first launch
- Test results are sometimes incorrect
Requested features
10 requests- Add NFC/antenna tester
- Add memory tests
- Add eSIM check
- Improve 3D Touch test accuracy
- Improve multi-touch test (more than 2 fingers)
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- Add support for blind users (VoiceOver)
- Add option to remove ads via in-app purchase
- Detect phone model to modify test suite
- Test Bluetooth headphone features on newer iPhones
- Provide more detailed battery information (life expectancy, condition)
Smart Calculator Plus
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Phone Diagnostics
- Phone Diagnostics Pro$4.99
Smart Calculator Plus
No in-app purchases
Questions
Is Phone Diagnostics free?
Is Smart Calculator Plus free?
Do Phone Diagnostics or Smart Calculator Plus have ads?
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