100 Days After vs PiePlan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
100 Days After
Calculate the 100th day from any given date or celebrate anniversaries. Export calculated dates as events to your iPhone's calendar.
- Calculate 100th day from any date
- Celebrate anniversaries
- Export dates as calendar events
- New user interface
- New features
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Do you know which date is the 100th day of your first date? Would you like to celebrate an anniversary from an event? This app '100 days after' allows you to calculate a date from any given spot in the calendar. Calculated dates can be exported as an event and added to your iPhone's calendar. Download now and experience the whole new user interface and features of '100 days after'!
PiePlan
Visualize and manage your daily schedule with an AI-powered pie chart. This tool helps you balance activities, reflect on time usage, and plan effortlessly through a chat interface. Reuse past schedules or use templates for quick planning.
- Daily schedule visualization in pie chart
- AI chat for schedule suggestions
- Template-based schedule creation
- Daily reflection memo feature
- Timeline view for events
- Time usage analysis
- Data backup
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This app is a tool that lets you visualize and manage your daily schedule with a pie chart. By seeing "how much time you spend on what" at a glance, it helps you bring more balance to your daily activities and gives you an opportunity to reflect on how you use your time. Creating a pie chart of your day can be time-consuming, but this app is designed to make the process as smooth as possible by allowing you to reuse past schedules or use templates. Additionally, the AI scheduling feature lets you create your schedule through a chat-style interface, making it intuitive and effortless to plan your day. Give it a try and make the most of your time each day! Main Features: ・Register and view daily plans and actual records in a pie chart ・Create and get suggestions for your schedule via AI chat ・Easily reuse schedules with templates ・Write daily reflections with the memo feature ・Display events in a timeline view ・Analyze how you spend your time ・Backup your data
Screenshots
Verdict
The clearest difference is review sentiment: PiePlan at 100% against 100 Days After's 63%. PiePlan also leads on update cadence (every 8 days vs every 4 months). 100 Days After's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price 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. PiePlan sells 3 in-app purchases, starting at $2.99 per month. 100 Days After asks for nothing beyond the download.
100 Days After ships an update every 4 months, PiePlan every 8 days. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.
| Parameter | 100 Days After | PiePlan |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (6 ratings) — better | — |
| Positive reviews | 62.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | — |
| Update frequency | Every 4 months | Every 8 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Broong, Inc. | Tomohiro Sasaki |
Customer experience
100 Days After
PiePlan
In-app purchases
100 Days After
No in-app purchases
PiePlan
- Premium Plan3 Days trial$2.991 Month
- Premium Plan3 Days trial$14.996 Months
- Premium Plan3 Days trial$24.991 Year
