# Cliff Timer vs BellAlert

The clearest difference is in-app purchases: BellAlert at none against Cliff Timer's 3. BellAlert also leads on update cadence (every 2 days vs every 5 months). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Cliff Timer against 4.9 for BellAlert. Both are backed by a comparable volume of ratings — 10 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Cliff Timer ships an update every 5 months, BellAlert every 2 days. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Cliff Timer | BellAlert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (10 ratings)](https://appshunter.io/ios/app/cliff-timer-height-measurer/id6736556211/reviews) | [4.9 (11 ratings)](https://appshunter.io/ios/app/bellalert/id6779449849/reviews) |
| Number of ratings | 10 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 35 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Frank Schipani](https://appshunter.io/developer/1772378774) | [Curtis Waldner](https://appshunter.io/developer/1884501380) |

## 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 |


### BellAlert

[App page](https://appshunter.io/ios/app/bellalert/id6779449849)

Assign custom sounds to notifications to instantly know what's happening without looking at your phone. Share unique alert codes with others to send them instant, personalized notifications with their chosen sounds. Manage alerts with timestamps, disappearing notifications, and an "oops" feature to un-ring alerts.

**Highlights:** Custom sounds for each notification, Shareable alert codes, Instant alerts on recipient devices, Home Screen widget for quick alerts, Undo/cancel sent alerts, Disappearing notifications, Private and track-free design

**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 BellAlert free?

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

### Which has better reviews, Cliff Timer or BellAlert?

Cliff Timer and BellAlert are both rated 4.9 out of 5 on the App Store, from 10 and 11 ratings respectively.

### Do Cliff Timer or BellAlert have ads?

Neither Cliff Timer nor BellAlert shows ads.

### Which is updated more often, Cliff Timer or BellAlert?

Cliff Timer ships an update every 5 months, and BellAlert every 2 days. Most recently, Cliff Timer was updated on October 2, 2026 and BellAlert on October 15, 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.*