Calc vs hiup
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calc
A visually appealing and straightforward calculator app for iPhone and iPad. It offers a unique user interface with support for basic and scientific calculations, various number base conversions, and currency and unit conversions.
- Universal app for iPhone and iPad
- Basic and scientific calculations
- Number base conversions (decimal, hex, binary, octal)
- Currency and unit conversions
- Scrollable calculation history
- 10 color themes
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Calc is a beautiful simple tape calculator for your iPhone and iPad with a uniq user interface. Features: - universal App for your iPhone and iPad - Slide Over and Split View support - basic calculation - lots of scientific functions - decimal, hexadecimal, binary and octal conversion and calculations - currency conversion - uniq and easy percentage concept - unit conversions - scrollable calculation history - calculation history can be shared - 10 color themes Privacy Policy: https://apps.micw.org/pp.php Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
hiup
This utility app reminds parents not to forget their children in the car, especially when using child seats. It aims to enhance child safety by preventing accidental heatstroke or other dangers.
- Child seat safety reminder
- Prevents forgotten children
- Designed for car use
- Simple interface
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Use with child seats Remind parents not to forget children in the car
Screenshots
Verdict
The clearest difference is review sentiment: Calc at 81% against hiup's 0%. hiup's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 15.6). On price, update cadence, ads and monetization model 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. Calc sells 2 in-app purchases, starting at $0.99 per month. hiup asks for nothing beyond the download.
Calc ships an update every 2 months, hiup every 6 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.
| Parameter | Calc | hiup |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (28 ratings) — better | — |
| Positive reviews | 80.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 28 — better | — |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Wesemann | ShenZhen Lenze Technology Co,.Ltd. |
Customer experience
Calc
hiup
Bugs and requests
Calc
Reported bugs
2 issues- Percentage calculations not working correctly
- Cos 90 showing incorrect result
Requested features
6 requests- Copy and paste support
- Larger buttons for easier use
- Ability to clear calculation history
- Auto-insert previous result when using operators
- Landscape mode support
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- Formatting for large numbers (e.g. 1,000,000)
hiup
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calc
- Calc Pro$0.991 Month
- Calc Pro$4.991 Year
hiup
No in-app purchases
