LFunCalc vs TimeGoing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LFunCalc
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LFunCalc is a function calculator that formulas are displayed and entered as a list. Just after a formula is entered, the result is displayed without tapping enter key. A formula name is assigned to each input line and can be referenced as a variable in the following formulas. When a formula is changed, the value of the other formula referencing it is updated too. LFunCalc is also useful as a tool of parameter study. Note) LFunCalc is not a spreadsheet application.
TimeGoing
Enhance your focus and build habits with a fullscreen timer, daily check-ins, and visual progress tracking. Seamlessly manage tasks, set reminders, and sync data across devices. Optimize your workflow with voice commands and dynamic widgets.
- Fullscreen focus timer
- iCloud data sync
- Daily habit check-ins
- Visual progress animations
- Task management
- Siri Shortcuts and Widgets
- Dynamic Island/Live Activities support
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• Fullscreen Timer: Start instantly, stay focused • Sync: iCloud sync across devices • Check-ins: Daily reminders, random rewards • Birthday Rewards: Once a year, worth celebrating • Animations: Separate settings, clear progress • List Management: Work well, live well • Task Records: Save history, review your effort • Siri Shortcuts: Voice control, faster actions • Widgets: Focus timer, check-in streaks • Dynamic Island / Live Activities: Stay visible, pause quickly • Home Screen Quick Actions: Long press to jump right in • Drag Sorting: Simple, direct, easy to use • Reminders: Flexible times, timely notifications • Archive: Keep history, record growth • Backup: Self-service backup, safer records • App Life: A companion for the long road • Statistics Charts: Trends and distributions, regular reviews
Screenshots
Verdict
The clearest difference is in-app purchases: LFunCalc at none against TimeGoing's 5. LFunCalc also leads on iOS requirement (13.2 vs 17.6). On price, update cadence, ads 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. TimeGoing sells 5 one-off in-app purchases. LFunCalc asks for nothing beyond the download.
LFunCalc ships an update every 5 months, TimeGoing every 7 months. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.
| Parameter | LFunCalc | TimeGoing |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 13.2 — better | 17.6 |
| Further details — not scored | ||
| Size | 46 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | NOBORU IMAI | 振华 陀 |
In-app purchases
LFunCalc
No in-app purchases
TimeGoing
- 一小撮时光$0.99
- 一小把时光$0.99
- Dew of Time$0.99
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- Spring of Time +25%$0.99
- Stream of Time$1.99
