Comparison

HydroTimer vs VoiceFX

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

Head to head
About

HydroTimer

Features
Read 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.

About

VoiceFX

Features
Read 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

HydroTimer3 screens
VoiceFX4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 4 level
HydroTimer versus VoiceFX: the parameters behind the verdict, then further details
ParameterHydroTimerVoiceFX
PriceFreeFree
Update frequencyEvery 10 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size2 MB5 MB
Age rating4+4+
DeveloperAurelis LimitedHK JIAHAO INTERNATIONAL TECHNOLOGY LIMITED

In-app purchases

None

HydroTimer

No in-app purchases

2 purchases

VoiceFX

Subscriptions2
  • Weekly Plus3 Days trial$4.997 Days
  • Yearly Plus$39.991 Year

Questions

Is HydroTimer free?
HydroTimer is free to download, with no in-app purchases.
Is VoiceFX free?
VoiceFX is free to download, with in-app purchases available.
Do HydroTimer or VoiceFX have ads?
Neither HydroTimer nor VoiceFX shows ads.
Which is updated more often, HydroTimer or VoiceFX?
HydroTimer ships an update every 10 months, and VoiceFX every 3 months. Most recently, HydroTimer was updated on November 9, 2026 and VoiceFX on October 31, 2026.

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