HourHack vs Shrimpminder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HourHack
Easily calculate the duration between two specific times or dates. Get instant results in hours, minutes, or days with a clear and intuitive interface. Simplify all your time-related calculations.
- Calculate time differences
- Calculate date differences
- Instant results
- Clear interface
- Time unit conversion
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Need to know how much time has passed or how many days until an event? HourHack makes it simple to calculate the difference between two times or dates. Quickly input any two moments, and get instant results in hours, minutes, or days. Features: Calculate time differences between two times Find the amount of time between dates Clear and easy-to-use interface Simplify your time calculations with HourHack!
Shrimpminder
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Shrimpminder helps you keep good posture with reminders. Everything from your wrist, with no need to take out your phone. Main features: • Reminders every 15, 20, 30 or 60 minutes • Session length adjustable in hours • Short tips to straighten your back and place your feet flat on the floor • See your upcoming reminders at a glance • Restart your session with a single tap To receive reminders, turn on notifications for Shrimpminder. Small reminders, big changes for your posture.
Screenshots
Verdict
The clearest difference is update cadence: Shrimpminder at every 6 days against HourHack's fortnightly. HourHack's advantage is iOS requirement (13.4 vs 26.0). On price, ads, 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.
HourHack ships an update fortnightly, Shrimpminder every 6 days. Both last shipped on October 30, 2026.
| Parameter | HourHack | Shrimpminder |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Fortnightly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 13.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 21 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Rosenbergs LLC | JAIME ESCOBAR |
In-app purchases
HourHack
No in-app purchases
Shrimpminder
No in-app purchases
