# Contour Detection vs Time Progress

The clearest difference is ads: Time Progress at none against Contour Detection's shown. Contour Detection's advantage is update cadence (fortnightly vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Contour Detection ships an update fortnightly, Time Progress every 6 weeks. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Contour Detection | Time Progress |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | — | Free |
| Size | 36 MB | 7 MB |
| Requires iOS | 17.7.2 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Bin Yang](https://appshunter.io/developer/1854149194) |

## What reviewers say

### Contour Detection

[App page](https://appshunter.io/ios/app/contour-detection/id6511213082)

**Features:** macOS Compatibility

**In-app purchases:** none


### Time Progress

[App page](https://appshunter.io/ios/app/time-progress-day-countdown/id6755583897)

Visualize your time with progress bars for the year, month, and day. Create countdowns for important dates and track progress for projects or events. Features include recurring events, home screen widgets, and iCloud sync.

**Highlights:** Year, month, and day progress visualization, Countdown and progress event tracking, Recurring event scheduling, Home screen widgets, iCloud sync, Import and export functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Contour Detection free?

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

### Is Time Progress free?

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

### Do Contour Detection or Time Progress have ads?

Contour Detection shows ads; Time Progress does not.

### Which is updated more often, Contour Detection or Time Progress?

Contour Detection ships an update fortnightly, and Time Progress every 6 weeks. Most recently, Contour Detection was updated on September 30, 2026 and Time Progress on October 8, 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.*