# Blacklyf vs ProofPing

The clearest difference is in-app purchases: Blacklyf at none against ProofPing's 6. Blacklyf also leads on iOS requirement (13 vs 18.6). ProofPing's advantage is ads (none vs shown) and update cadence (every 4 days vs every 4 months). On price and device support there is nothing between them.

Both are free to download. ProofPing sells 6 in-app purchases, starting at $2.99 per month. Blacklyf asks for nothing beyond the download.

Blacklyf ships an update every 4 months, ProofPing every 4 days. The most recent releases landed on September 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Blacklyf | ProofPing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blacklyf/id6747386086/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 387 MB | 8 MB |
| Requires iOS | **13** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [CANNUR MARKETING LTD](https://appshunter.io/developer/1821181018) | [BRETT SHERWYN WATERSON](https://appshunter.io/developer/1857867894) |

## What reviewers say

### Blacklyf

[App page](https://appshunter.io/ios/app/blacklyf/id6747386086)

This app connects to smartwatches to track daily activity, sleep patterns, and health metrics. It allows for watch face customization, smart alarms, and notification management. Users can also control media, manage calls, and ensure data privacy.

**Highlights:** All-day activity and sleep tracking, Watch face personalization, Smart alarms and reminders, Notification management, Remote media and call control, Intuitive interface

**In-app purchases:** none


### ProofPing

[App page](https://appshunter.io/ios/app/proofping/id6757703879)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProofPing Plus (Monthly) | $2.99 | per month |
| ProofPing Premium (Monthly) | $4.99 | per month |
| ProofPing Family (Monthly) | $7.99 | per month |
| ProofPing Plus (Annual) | $29.99 | per year |
| ProofPing Premium (Annual) | $49.99 | per year |
| ProofPing Family (Annual) | $79.99 | per year |


## Frequently asked questions

### Is Blacklyf free?

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

### Is ProofPing free?

ProofPing is free to download, with in-app purchases available.

### Do Blacklyf or ProofPing have ads?

Blacklyf shows ads; ProofPing does not.

### Which is updated more often, Blacklyf or ProofPing?

Blacklyf ships an update every 4 months, and ProofPing every 4 days. Most recently, Blacklyf was updated on September 15, 2026 and ProofPing on September 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.*