HydroTimer vs VoiceFX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HydroTimer
Read full descriptionHide full description
Water Clock is a smart drinking water health manager app. It helps users establish scientific drinking habits, records daily water intake through an intuitive interface, provides personalized drinking reminders, and generates detailed health data statistics. The app adopts a simple iOS design style, supports users to set personal drinking goals, view historical drinking records and health trend analysis. Through the smart reminder function, it ensures that users replenish water on time and develop good drinking habits, thereby improving their overall health level. The app also provides health advice and drinking knowledge to help users understand the importance of scientific drinking, making health management simple and interesting.
VoiceFX
Read full descriptionHide full description
【VoiceFX】Fun Voice Changer is a real-time voice transformation app designed for creating unique audio effects with AI-powered tools and community-shared presets. **Real-Time Voice Transformation** Apply voice effects instantly during live conversations or recordings with low-latency processing that maintains audio quality. **AI-Powered Effects** Access a collection of artificial intelligence enhanced voice filters that analyze and modify your vocal characteristics automatically. **Community Presets** Browse and use voice effect configurations shared by other users, with options to save and organize your favorites for quick access. **Professional Audio Tools** Adjust detailed audio parameters including pitch, timbre, and modulation to fine-tune effects for specific creative needs. **Cross-Platform Compatibility** Export processed audio in multiple formats or share directly to supported platforms while preserving sound quality throughout the workflow. Premium Account Pricing and Terms $ 4.99/week* $ 39.99/year* *Prices shown are in U.S. dollars; actual charges may be converted to your local currency. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the renewal cost will be provided. Subscriptions can be managed by the user. Turning off auto-renewal may be done by going to your account settings after purchase. Cancellation of the current subscription is not allowed during the active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bamboodawn.xyz/quweibiansheng/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: HydroTimer at none against VoiceFX's 2. VoiceFX's advantage is update cadence (every 3 months vs every 10 months). 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. VoiceFX sells 2 in-app purchases, starting at $4.99 per 7 days. HydroTimer asks for nothing beyond the download.
HydroTimer ships an update every 10 months, VoiceFX every 3 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | HydroTimer | VoiceFX |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Aurelis Limited | HK JIAHAO INTERNATIONAL TECHNOLOGY LIMITED |
In-app purchases
HydroTimer
No in-app purchases
VoiceFX
- Weekly Plus3 Days trial$4.997 Days
- Yearly Plus$39.991 Year









