# TimeSpanCalc vs Lean Apps

The clearest difference is in-app purchases: TimeSpanCalc at none against Lean Apps's 4. TimeSpanCalc also leads on price ($0.99 vs $5.99) and update cadence (every 3 weeks vs every 2 months). On ads and device support there is nothing between them.

TimeSpanCalc costs $0.99 and Lean Apps $5.99 up front. Lean Apps sells 4 in-app purchases, starting at $6.49 per month. TimeSpanCalc asks for nothing beyond the download.

TimeSpanCalc ships an update every 3 weeks, Lean Apps every 2 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | TimeSpanCalc | Lean Apps |
| --- | --- | --- |
| Price | **$0.99** | $5.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | — |
| Size | 1 MB | 25 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masahiko Nogami](https://appshunter.io/developer/806726009) | [Tomas Ljungblom](https://appshunter.io/developer/1272183204) |

## 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


### Lean Apps

[App page](https://appshunter.io/ios/app/lean-apps/id1347795759)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription Plan | $6.49 | per month |
| Silver Plan | $9.99 | one-time |
| Gold plan | $17.99 | one-time |
| Platinum Plan | $23.99 | one-time |


## Frequently asked questions

### Is TimeSpanCalc free?

TimeSpanCalc costs $0.99, with no in-app purchases.

### Is Lean Apps free?

Lean Apps costs $5.99, and also offers in-app purchases.

### Do TimeSpanCalc or Lean Apps have ads?

Neither TimeSpanCalc nor Lean Apps shows ads.

### Which is updated more often, TimeSpanCalc or Lean Apps?

TimeSpanCalc ships an update every 3 weeks, and Lean Apps every 2 months. Most recently, TimeSpanCalc was updated on October 13, 2026 and Lean Apps on October 11, 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.*