Calculator HD+ Pro vs Digital Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator HD+ Pro
This app offers a high-precision calculation engine with a user-friendly interface. It allows for real-time formula display, multiple undo options, and workspace switching. Advanced features include persistent history, specialized keypads, and AirPrint compatibility.
- High precision engine
- Result displayed while typing
- Multiple undo
- Switch between workspaces
- Persistent history
- Specialized keypad
- AirPrint support
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- It is simple, easy to use and well designed - High precision engine - Result is displayed while typing the formula - Multiple undo - Switch between workspaces ! - Persistent history - Specialized keypad for iPhone and iPad - Supports bluetooth keyboard - Right or left-handed mode - Print easily with AirPrint - Share history by e-mail The PRO version has the following advantages: - more workspaces - no advertising
Digital Clock
This utility app displays the current time in a customizable format. Users can choose between 12 or 24-hour displays, change the color of the clock, and opt to show seconds. Access settings by tapping the display.
- 12/24 hour format
- Color customization
- Second display option
- Tap to access settings
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when display tap, appear settings button FEATUURES •12hour or 24 hour •change color •display second
Screenshots
Verdict
The clearest difference is update cadence: Calculator HD+ Pro at every 3 weeks against Digital Clock's every 41 months. Calculator HD+ Pro also leads on iOS requirement (10.0 vs 15.6). Digital Clock's advantage is price ($0.99 vs $3.99) and review sentiment (100% vs 90%). On 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
Calculator HD+ Pro costs $3.99 and Digital Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calculator HD+ Pro ships an update every 3 weeks, Digital Clock every 41 months. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.
| Parameter | Calculator HD+ Pro | Digital Clock |
|---|---|---|
| Price | $3.99 | $0.99 — better |
| Rating | 4.8 (99 ratings) — better | — |
| Positive reviews | 89.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 99 — better | — |
| Update frequency | Every 3 weeks — better | Every 41 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Freemium — better | Paid |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 31 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | smalltech sarl | kohei yamane |
Customer experience
Calculator HD+ Pro
Digital Clock
Bugs and requests
Calculator HD+ Pro
Reported bugs
3 issues- Calculation history not always accurate
- Music playback issues when app is opened
- Location permission request not necessary
Requested features
4 requests- Customizable decimal places
- Memory function
- Conversion tools
- Ability to sync across devices
Digital Clock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator HD+ Pro
No in-app purchases
Digital Clock
No in-app purchases
Questions
Is Calculator HD+ Pro free?
Is Digital Clock free?
Do Calculator HD+ Pro or Digital Clock have ads?
Which is updated more often, Calculator HD+ Pro or Digital Clock?
Other comparisons
