# When Did? vs Image & Video Compressor, PDF

The clearest difference is price: Image & Video Compressor, PDF at Free against When Did?'s $0.99. Image & Video Compressor, PDF also leads on rating (4.5 vs 3.8) and review sentiment (100% vs 67%). When Did?'s advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Image & Video Compressor, PDF is free to download; When Did? costs $0.99 up front. Image & Video Compressor, PDF sells 3 in-app purchases, starting at $1.99 per 7 days. When Did? asks for nothing beyond the download.

Image & Video Compressor, PDF holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 4 and 16 respectively. Written reviews point the same way: 67% of When Did?'s written reviews are positive against 100% of Image & Video Compressor, PDF's.

When Did? ships an update every 2 months, Image & Video Compressor, PDF every 3 weeks. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | When Did? | Image & Video Compressor, PDF |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/when-did/id1673184254/reviews) | **[4.5 (16 ratings)](https://appshunter.io/ios/app/image-and-video-compressor-pdf/id6752115419/reviews)** |
| Number of ratings | 4 | **16** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 84 MB |
| Requires iOS | **16.0** | 17 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jimmy Bosse](https://appshunter.io/developer/1673184436) | [Youssef Ismaili](https://appshunter.io/developer/1696488085) |

## What reviewers say

### When Did?

[App page](https://appshunter.io/ios/app/when-did/id1673184254)

Effortlessly track the last time you performed any desired activity. Customize your activity list with unique colors and icons, and use timestamps to know exactly when each task was last completed, bringing order to forgetfulness.

**Highlights:** Track last performed activities, Customizable activity list, Color-coded entries, Icon selection for activities, Timestamp logging, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Image & Video Compressor, PDF

[App page](https://appshunter.io/ios/app/image-and-video-compressor-pdf/id6752115419)

Easily reduce the file size of photos, videos, and PDFs on your device without compromising quality. Perfect for sharing files via email, meeting upload limits, or freeing up storage space.

**Highlights:** Compress photos, videos, and PDFs, Smart quality selection for minimal size, Customizable size limits, Convert HEIC to JPG/PNG/PDF, Compress large video clips, Batch compression for up to 50 photos, Free up device storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compressor Pro Weekly | $1.99 | per 7 days |
| Compressor Pro Yearly | $9.99 | per year |
| Compressor Pro | $19.99 | one-time |


## Frequently asked questions

### Is When Did? free?

When Did? costs $0.99, with no in-app purchases.

### Is Image & Video Compressor, PDF free?

Image & Video Compressor, PDF is free to download, with in-app purchases available.

### Which has better reviews, When Did? or Image & Video Compressor, PDF?

Image & Video Compressor, PDF is rated higher. When Did? averages 3.8 out of 5 from 4 ratings, while Image & Video Compressor, PDF averages 4.5 from 16 ratings.

### Do When Did? or Image & Video Compressor, PDF have ads?

Neither When Did? nor Image & Video Compressor, PDF shows ads.

### Which is updated more often, When Did? or Image & Video Compressor, PDF?

When Did? ships an update every 2 months, and Image & Video Compressor, PDF every 3 weeks. Most recently, When Did? was updated on November 3, 2026 and Image & Video Compressor, PDF on November 12, 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.*