# Memory App vs PDF Converter +.

The clearest difference is in-app purchases: Memory App at none against PDF Converter +.'s 4. Memory App also leads on update cadence (every 3 days vs monthly) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. PDF Converter +. sells 4 in-app purchases, starting at $4.99 per 7 days. Memory App asks for nothing beyond the download.

Memory App ships an update every 3 days, PDF Converter +. monthly. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Memory App | PDF Converter +. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Size | 10 MB | 48 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ali Burak Barac](https://appshunter.io/developer/1693979072) | [Allan Perkins](https://appshunter.io/developer/1825080683) |

## What reviewers say

### Memory App

[App page](https://appshunter.io/ios/app/memory-app/id6450589434)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Converter +.

[App page](https://appshunter.io/ios/app/pdf-converter-plus/id6748304530)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Memory App free?

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

### Is PDF Converter +. free?

PDF Converter +. is free to download, with in-app purchases available.

### Do Memory App or PDF Converter +. have ads?

Neither Memory App nor PDF Converter +. shows ads.

### Which is updated more often, Memory App or PDF Converter +.?

Memory App ships an update every 3 days, and PDF Converter +. monthly. Most recently, Memory App was updated on September 29, 2026 and PDF Converter +. on September 30, 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.*