iokey vs HourVoice
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
iokey
Read full descriptionHide full description
Short Description: This is the solution using smartphone to control and open the lock/door lock. Detail Description: The lock can be opened without physical key or password using the iokey (Bulukey) application after installing the door lock and registering the user on Iokey (Bulukey) service. Additionally, User can use powerful central managing function such as control mode, approval mode for the lock based on the schedule and so on. # Main Function # 1) Contactless Lock Opening Function - The lock can be opened using the button at smartphone application. - Switch from physical key to logical key (No loss, No copy) 2) Manager Approval Mode Based on the Schedules - The message will be transmitted to the manager in real time when the user tries to open the lock which sets as an important one. After the manager gives approval to open the lock, the user can open it. 3) Control Mode Based on the Schedules - Depending on the user or working hours, the authority for handling the lock can be set. 4) Easy Access Authority Set Up - Manager can give or collect access authority to user easily even for multiple locks or door locks 5) Checking the History of Access - Every history such as opening the lock, changing parameters or making a report saves to website. Manager can check the history easily. Customer Service : dambeesoft@gmail.com (Weekday 9:00-18:00 KST)
HourVoice
Read full descriptionHide full description
HourVoice is a talking hourly chime app that plays short voice alerts at the times you choose. Instead of hearing the same bell every hour, you can shape your day with your own phrases and voices. Use it for focus blocks, medicine reminders, hydration breaks, family routines, study sessions, or any repeated moment that deserves a clearer cue. Key features - Set hourly and half-hourly chimes - Add custom alert times - Create alert phrases with device TTS voices - Generate and apply 24-piece time voice sets - Record your own voice as an alert sound - Import audio you own and trim it for short alerts - Manage, share, and export your sound library - Use weekend mute and rescheduling tools Alerts are scheduled on your device, and created sounds and settings are stored on your device by default. The app includes banner ads and rewarded ads.
Screenshots
Verdict
The clearest difference is ads: iokey at none against HourVoice's shown. HourVoice's advantage is update cadence (daily vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iokey ships an update every 4 months, HourVoice daily. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.
| Parameter | iokey | HourVoice |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Daily β better |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 15.0 | 14.0 β better |
| Further details β not scored | ||
| Size | 14 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Dambee Technology Co., Ltd. | nowApp Inc. |
In-app purchases
iokey
No in-app purchases
HourVoice
No in-app purchases









