Comparison

Chess Clock App vs PhoneTest.App

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

Head to head
About

Chess Clock App

This application functions as a dual-clock timer for two players, ideal for games like chess. It precisely tracks each player's move time, ensuring fair play and preventing excessive delays. The timer can count down or up, and features a pause function for both players.

Highlights
  • Dual-player time tracking
  • Count down or count up timer
  • Pause functionality
  • Background operation
  • Individual time settings
Features
Read full description

A chess clock consists of two connected clocks which can't run at the same time. Use it as a game clock to measure the time used by two players for their moves e.g. in game of chess. Stopping one clock will start the other one. The purpose is to keep track of the total time each player takes for his or her own moves, and ensure that neither player overly delays the game. Features: - choose the same time for both players or individually - count the time down or up - pause the clock for both players - runs in the background while the app is closed - support for the iPhone 6 and 6+

About

PhoneTest.App

Diagnose hardware and system issues on your iPhone with comprehensive tests. Offers both quick and in-depth diagnostic modes to pinpoint problems.

Highlights
  • Hardware diagnostics
  • System diagnostics
  • Express test mode
  • Full test mode
  • Problem identification
Read full description

With PhoneTest.App performs diagnostic tests of hardware and system to identify the problems of your iPhone, performs tests in express mode and full mode.

Screenshots

Chess Clock App4 screens
PhoneTest.App4 screens

Verdict

The call

The clearest difference is review sentiment: PhoneTest.App at 100% against Chess Clock App's 0%. PhoneTest.App also leads on price (Free vs $0.99) and rating (5.0 vs 1.0). On ads, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

PhoneTest.App is free to download; Chess Clock App costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

PhoneTest.App holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: PhoneTest.App has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Chess Clock App's written reviews are positive against 100% of PhoneTest.App's.

UpkeepUpdate frequency

Chess Clock App ships an update every 11 months, PhoneTest.App every 11 days. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

Scorecard6 real differences · 4 level
Chess Clock App versus PhoneTest.App: the parameters behind the verdict, then further details
ParameterChess Clock AppPhoneTest.App
Price$0.99Free — better
Rating1.0 (1 ratings)5.0 (6 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings16 — better
Update frequencyEvery 11 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size19 MB16 MB
Age rating4+4+
DeveloperPiet JonasRobert Lemmens

Customer experience

Chess Clock App

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

PhoneTest.App

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Chess Clock App

No in-app purchases

None

PhoneTest.App

No in-app purchases

Questions

Is Chess Clock App free?
Chess Clock App costs $0.99, with no in-app purchases.
Is PhoneTest.App free?
PhoneTest.App is free to download, with no in-app purchases.
Which has better reviews, Chess Clock App or PhoneTest.App?
PhoneTest.App is rated higher. Chess Clock App averages 1.0 out of 5 from 1 ratings, while PhoneTest.App averages 5.0 from 6 ratings.
Do Chess Clock App or PhoneTest.App have ads?
Neither Chess Clock App nor PhoneTest.App shows ads.
Which is updated more often, Chess Clock App or PhoneTest.App?
Chess Clock App ships an update every 11 months, and PhoneTest.App every 11 days. Most recently, Chess Clock App was updated on September 16, 2026 and PhoneTest.App on September 17, 2026.

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