# Dev Notes++ vs OSCope

The clearest difference is price: Dev Notes++ at Free against OSCope's $1.99. Dev Notes++ also leads on update cadence (every 2 days vs every 5 days). OSCope's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 26.0). On ads and device support there is nothing between them.

Dev Notes++ is free to download; OSCope costs $1.99 up front. Dev Notes++ sells 3 in-app purchases, starting at $3.99 per month. OSCope asks for nothing beyond the download.

Dev Notes++ ships an update every 2 days, OSCope every 5 days. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Dev Notes++ | OSCope |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 3 MB | 18 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sylvain Lafrance](https://appshunter.io/developer/1197090441) | [Evenrain Inc.](https://appshunter.io/developer/6777705942) |

## What reviewers say

### Dev Notes++

[App page](https://appshunter.io/ios/app/dev-notes-plus-plus/id6762881892)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dev Notes - Monthly | $3.99 | per month |
| Dev Notes - Yearly Subscription | $24.99 | per year |
| Dev Notes - Lifetime | $34.99 | one-time |


### OSCope

[App page](https://appshunter.io/ios/app/oscope-on-site-osc-debugger/id6777705940)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dev Notes++ free?

Dev Notes++ is free to download, with in-app purchases available.

### Is OSCope free?

OSCope costs $1.99, with no in-app purchases.

### Do Dev Notes++ or OSCope have ads?

Neither Dev Notes++ nor OSCope shows ads.

### Which is updated more often, Dev Notes++ or OSCope?

Dev Notes++ ships an update every 2 days, and OSCope every 5 days. Most recently, Dev Notes++ was updated on September 25, 2026 and OSCope on September 22, 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.*