# TimeSpanCalc vs Thrivner Planner

The clearest difference is in-app purchases: TimeSpanCalc at none against Thrivner Planner's 2. TimeSpanCalc also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 17.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Thrivner Planner sells 2 in-app purchases, starting at $4.00 per month. TimeSpanCalc asks for nothing beyond the download.

TimeSpanCalc ships an update every 3 weeks, Thrivner Planner every 3 months. The most recent releases landed on October 26, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TimeSpanCalc | Thrivner Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (25 ratings)](https://appshunter.io/ios/app/thrivner-planner/id1295129242/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Paid | **Freemium** |
| Size | 1 MB | 34 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masahiko Nogami](https://appshunter.io/developer/806726009) | [Thrivner, Inc.](https://appshunter.io/developer/1295129241) |

## What reviewers say

### TimeSpanCalc

[App page](https://appshunter.io/ios/app/timespancalc/id806726006)

Calculate time durations between dates or specific hours. This tool helps determine the span of time by inputting start and end dates or hours. It's optimized for multitasking on iPads.

**Highlights:** Calculate start date, Calculate end date, Calculate hours, Calculate days, iPad multitasking support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Thrivner Planner

[App page](https://appshunter.io/ios/app/thrivner-planner/id1295129242)

Organize your life with this visual planner and task manager. Color-code projects, prioritize tasks by urgency and effort, and break them down into smaller steps. Schedule tasks alongside appointments to optimize your time and boost productivity.

**Highlights:** Color-coded project organization, Prioritization by urgency and effort, Task breakdown with checklists, Repeating task scheduling, Calendar view for time-blocking, Cross-device synchronization, Drag-and-drop rescheduling

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Planner Pro - Monthly | $4.00 | per month |
| Planner Pro - Yearly | $42.00 | per year |


## Frequently asked questions

### Is TimeSpanCalc free?

TimeSpanCalc is free to download, with no in-app purchases.

### Is Thrivner Planner free?

Thrivner Planner is free to download, with in-app purchases available.

### Do TimeSpanCalc or Thrivner Planner have ads?

Neither TimeSpanCalc nor Thrivner Planner shows ads.

### Which is updated more often, TimeSpanCalc or Thrivner Planner?

TimeSpanCalc ships an update every 3 weeks, and Thrivner Planner every 3 months. Most recently, TimeSpanCalc was updated on October 26, 2026 and Thrivner Planner on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*