Melodothogy vs 虚空济
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Melodothogy
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Features: - A piano keyboard - A playground that plays random harmonious notes - Supports four instruments: piano, violin flute and guitar!
虚空济
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自天子以至于庶人，壹是皆以修身为本，虚空济秉承传播中国传统文化为己任，为大家提供平台，供大家修身养性，彰显德行。
Screenshots
Verdict
The clearest difference is in-app purchases: Melodothogy at none against 虚空济's 3. 虚空济's advantage is update cadence (weekly vs every 3 weeks). On price, ads, 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
Both are free to download. 虚空济 sells 3 one-off in-app purchases. Melodothogy asks for nothing beyond the download.
Melodothogy ships an update every 3 weeks, 虚空济 weekly. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.
| Parameter | Melodothogy | 虚空济 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 81.8% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 — better | 16 |
| Further details — not scored | ||
| Size | 28 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Meng Two Inc. | 山东元智文化传播有限公司 |
In-app purchases
Melodothogy
No in-app purchases
虚空济
- 6个月会员$49.99
- 12个月会员$79.99
- 36个月会员$229.99
