# Cliff Timer vs DeFlock.me

The clearest difference is in-app purchases: DeFlock.me at none against Cliff Timer's 3. DeFlock.me also leads on update cadence (fortnightly vs every 5 months) and ratings volume (291 vs 10). Cliff Timer's advantage is review sentiment (100% vs 83%) and rating (4.9 vs 4.7). On price, ads and device support there is nothing between them.

Both are free to download. Cliff Timer sells 3 in-app purchases, starting at $0.99 per month. DeFlock.me asks for nothing beyond the download.

Cliff Timer holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: DeFlock.me has 291 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 100% of Cliff Timer's written reviews are positive against 83% of DeFlock.me's.

Cliff Timer ships an update every 5 months, DeFlock.me fortnightly. The most recent releases landed on October 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cliff Timer | DeFlock.me |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (10 ratings)](https://appshunter.io/ios/app/cliff-timer-height-measurer/id6736556211/reviews)** | [4.7 (291 ratings)](https://appshunter.io/ios/app/deflockme/id6752760780/reviews) |
| Number of ratings | 10 | **291** |
| Positive reviews | **100.0% of reviews** | 83.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 22 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Frank Schipani](https://appshunter.io/developer/1772378774) | [Tech BS LLC](https://appshunter.io/developer/1840808541) |

## What reviewers say

### Cliff Timer

[App page](https://appshunter.io/ios/app/cliff-timer-height-measurer/id6736556211)

Calculate the height of lightning strikes using a simple stopwatch and physics formulas. Measure the time between seeing lightning and hearing thunder to determine distance and height.

**Highlights:** Lightning height calculation, Lightning distance calculation, Uses physics formulas, Simple stopwatch interface, Real-time results

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $5.99 | per year |
| Lightning Distance Access | $1.99 | one-time |


### DeFlock.me

[App page](https://appshunter.io/ios/app/deflockme/id6752760780)

This app provides a platform to view and contribute to a publicly accessible map of mass surveillance devices. Users can explore existing data and add new information about these devices.

**Highlights:** View ALPR data, Contribute ALPR data, Open map of surveillance devices, Publicly accessible data

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

**In-app purchases:** none


## Frequently asked questions

### Is Cliff Timer free?

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

### Is DeFlock.me free?

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

### Which has better reviews, Cliff Timer or DeFlock.me?

Cliff Timer is rated higher. Cliff Timer averages 4.9 out of 5 from 10 ratings, while DeFlock.me averages 4.7 from 291 ratings.

### Do Cliff Timer or DeFlock.me have ads?

Neither Cliff Timer nor DeFlock.me shows ads.

### Which is updated more often, Cliff Timer or DeFlock.me?

Cliff Timer ships an update every 5 months, and DeFlock.me fortnightly. Most recently, Cliff Timer was updated on October 2, 2026 and DeFlock.me on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*