Comparison

C Tuner vs Solar System Clock

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

Head to head
About

C Tuner

This application provides musicians with a simple and intuitive tuning tool. It features an analog-style display for precise tuning, a basic metronome, and visual feedback when playing an instrument. It also offers Apple Watch compatibility.

Highlights
  • Intuitive analog interface
  • Precise tuning display
  • Basic metronome function
  • Visual instrument feedback
  • Apple Watch support
Features
Read full description

The tuner is a must-have item for every musician. Therefore, we created this app to provide users with low price with simple functions. Highlight: -Intuitive interface screen. -The screen is designed with analog sensitivity. -The basic metronome is implemented with a simple interface. -When you play the instrument on the Classic screen, it is displayed on the screen. The function of this tuner will be continuously improved in the future. 2021.06 : You can also check it on Apple iWatch ! About CitrineINS: We are creating the future of the smart mobile world. We are also the creators and providers of the best apps for business users. Learn more at www.citrineins.co.kr. Support information: - Terms and Policy: http://www.citrineins.co.kr/new_privacy - Support website: http://www.citrineins.co.kr - Instagram follow address: https://www.instagram.com/citrine_ins/ - Other versions and information: http://www.polytalk.co.kr

About

Solar System Clock

Visualize the current or historical positions of planets in our solar system. Explore future or past planetary alignments and identify optimal times for observing planets in the night sky.

Highlights
  • Real-time planet positions
  • Custom date selection
  • Past and future alignments
  • Optimal viewing time identification
  • Solar System visualization
Features
Read full description

See the positions of all planets in our Solar System based on the current date. Or, you can set your own custom date to see the alignment of our planets from a future date or a past date. You can use this app to find out the best time to watch a planet in the sky by finding out when it will be closest to Earth.

Screenshots

C Tuner4 screens
Solar System Clock3 screens

Verdict

The call

The clearest difference is price: Solar System Clock at Free against C Tuner's $2.99. Solar System Clock also leads on update cadence (every 2 days vs every 28 months). C Tuner's advantage is rating (5.0 vs 3.0) and iOS requirement (12.1 vs 16.6). On ratings volume, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Solar System Clock is free to download; C Tuner costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

C Tuner holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

C Tuner ships an update every 28 months, Solar System Clock every 2 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
C Tuner versus Solar System Clock: the parameters behind the verdict, then further details
ParameterC TunerSolar System Clock
Price$2.99Free — better
Rating5.0 (1 ratings) — better3.0 (1 ratings)
Positive reviews0.0% of reviews—
Number of ratings11
Update frequencyEvery 28 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPod, Apple WatchiPhone, iPad, Apple Watch
Requires iOS12.1 — better16.6
Further details — not scored
Size13 MB5 MB
Age rating4+4+
DeveloperJongyun ParkMateusz Andrzejczuk

In-app purchases

None

C Tuner

No in-app purchases

None

Solar System Clock

No in-app purchases

Questions

Is C Tuner free?
C Tuner costs $2.99, with no in-app purchases.
Is Solar System Clock free?
Solar System Clock is free to download, with no in-app purchases.
Which has better reviews, C Tuner or Solar System Clock?
C Tuner is rated higher. C Tuner averages 5.0 out of 5 from 1 ratings, while Solar System Clock averages 3.0 from 1 ratings.
Do C Tuner or Solar System Clock have ads?
Neither C Tuner nor Solar System Clock shows ads.
Which is updated more often, C Tuner or Solar System Clock?
C Tuner ships an update every 28 months, and Solar System Clock every 2 days. Most recently, C Tuner was updated on November 7, 2026 and Solar System Clock on October 30, 2026.

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