Roman Calculator vs 10K Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Roman Calculator
This calculator handles standard arithmetic and introduces roman numeral calculations, including fractions. Customize the look with different backgrounds and button styles. It offers advanced functions like trigonometry and memory in landscape mode.
- Roman numeral calculations
- Roman fraction support
- Convert Roman to Arabic and vice versa
- Customizable backgrounds and button styles
- Advanced functions (sin, cos, tan, sqrt, memory)
- Landscape mode with expanded functions
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Roman Calculator is a full function calculator and the first to calculate roman fractions. Choose from four backgrounds including your image library and four button style. Styles are selectable in settings or can be set with a swipe. The result of all calculations will be displayed as a roman number. Tap the Convert button to convert Roman to Arabic and visa versa. In landscape mode, both roman numbers and arabic numbers are displayed. Landscape mode also adds more functions. The functions include sin, cos, tan, square root, inverse, memory and more.
10K Timer
This app helps you track the time invested in important tasks for significant achievements. It automatically records and accumulates your focused work and study time without manual input. Features include multi-task support, visual timers, and detailed task usage statistics.
- Automatic time tracking
- Multi-task support
- Visual timer
- Task time statistics
- Task style customization
- Powerful quotes
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To make any significant achievements, you have to invest quite a bit time in it. This app will help you track the time you put into your important tasks. No need to record time manually. Simply start the timer, stay focused and your time will be recorded and accumulated. This app features * Multi-task support * Visual timer without duration limit * Automatic time tracking * Stay focused * Powerful quotes and sayings * Task time usage statistics * Task style customization * ... Try it out. And make every moment count from now on. Note: some features need to be unlocked through purchase Attribution: Touching Moments Two - Higher by Kevin MacLeod Link: https://incompetech.filmmusic.io/song/4539-touching-moments-two---higher License: http://creativecommons.org/licenses/by/4.0/ Jingle_Win_00 & Jingle_Achievement_00 by LittleRobotSoundFactory@freesound.org / CC BY
Screenshots
Verdict
The clearest difference is price: 10K Timer at Free against Roman Calculator's $0.99. 10K Timer also leads on review sentiment (100% vs 80%) and ratings volume (18 vs 4). Roman Calculator's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 1). On update cadence 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
10K Timer is free to download; Roman Calculator costs $0.99 up front. 10K Timer sells 1 one-off in-app purchase. Roman Calculator asks for nothing beyond the download.
Roman Calculator holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 4 and 18 respectively. Written reviews complicate that: 80% of Roman Calculator's written reviews are positive against 100% of 10K Timer's, so the app with the better star average is not the one people write more warmly about.
Roman Calculator ships an update every 5 months, 10K Timer every 9 months. The most recent releases landed on October 5, 2026 and October 20, 2026 respectively.
| Parameter | Roman Calculator | 10K Timer |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (4 ratings) — better | 4.4 (18 ratings) |
| Positive reviews | 80.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 18 — better |
| Update frequency | Every 5 months — better | Every 9 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 110 MB |
| Age rating | 4+ | 4+ |
| Developer | John Millhouse | 建瑛 贾 |
Customer experience
Roman Calculator
10K Timer
In-app purchases
Roman Calculator
No in-app purchases
10K Timer
- Unlock Focus Pack$7.99
Questions
Is Roman Calculator free?
Is 10K Timer free?
Which has better reviews, Roman Calculator or 10K Timer?
Do Roman Calculator or 10K Timer have ads?
Which is updated more often, Roman Calculator or 10K Timer?
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