Quakey vs Time Delay calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quakey
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Quakey monitors earthquakes in the Philippines by parsing PHILVOCS and USGS data and visualizing them. An earthquake within your 300 km radius or one with a magnitude greater than 4 triggers an alert. Quakey also enables you to share your exact location with friends, family, and contacts. Internet access is required to use this app. Other features: - video-illustrated Earthquake Intensity Scale - multiple event references More features to come: - Privacy-respecting 'homing' of data for rescue purposes - Quakey Social Media robot Visit our Quakey page for more details: https://doku.moodlearning.com/doku.php?id=quakey Suggestions are most welcome!
Time Delay calculator
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A calculator that can display calculation results with a delay to practice mental arithmetic. >Mental arithmetic practice mode Tap the timer key to turn on mental math practice mode. Enter the formula as usual. *Tap the timer key again to turn off the mental arithmetic practice mode. Return to normal calculator mode.
Screenshots
Verdict
The clearest difference is ads: Quakey at none against Time Delay calculator's shown. Quakey also leads on update cadence (every 5 days vs fortnightly) and iOS requirement (11.0 vs 15.8.3). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Quakey ships an update every 5 days, Time Delay calculator fortnightly. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.
| Parameter | Quakey | Time Delay calculator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 28 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | moodLearning, Inc. | Hideaki Uchikoshi |
In-app purchases
Quakey
No in-app purchases
Time Delay calculator
No in-app purchases
Questions
Is Quakey free?
Is Time Delay calculator free?
Do Quakey or Time Delay calculator have ads?
Which is updated more often, Quakey or Time Delay calculator?
Other comparisons
