C Tuner vs Solar System Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Intuitive analog interface
- Precise tuning display
- Basic metronome function
- Visual instrument feedback
- Apple Watch support
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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
Solar System Clock
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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
Verdict
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 iOS requirement (12.1 vs 16.6). On 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
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.
C Tuner ships an update every 28 months, Solar System Clock every 2 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.
| Parameter | C Tuner | Solar System Clock |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 28 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 12.1 — better | 16.6 |
| Further details — not scored | ||
| Size | 13 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Jongyun Park | Mateusz Andrzejczuk |
In-app purchases
C Tuner
No in-app purchases
Solar System Clock
No in-app purchases
Questions
Is C Tuner free?
Is Solar System Clock free?
Do C Tuner or Solar System Clock have ads?
Which is updated more often, C Tuner or Solar System Clock?
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