# LightBlue® vs YesterMorrow Countdown Clocks

The clearest difference is rating: YesterMorrow Countdown Clocks at 5.0 against LightBlue®'s 4.4. YesterMorrow Countdown Clocks also leads on monetization model (free vs ad-supported). LightBlue®'s advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (943 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

YesterMorrow Countdown Clocks holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: LightBlue® has 943 ratings behind it against 1, so its average is the more settled of the two.

LightBlue® ships an update every 3 weeks, YesterMorrow Countdown Clocks every 5 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LightBlue® | YesterMorrow Countdown Clocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (943 ratings)](https://appshunter.io/ios/app/lightblue/id557428110/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yestermorrow-countdown-clocks/id6768740015/reviews)** |
| Number of ratings | **943** | 1 |
| Positive reviews | 66.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Ad-supported | **Free** |
| Size | 22 MB | 3 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Punch Through](https://appshunter.io/developer/557428113) | [Allen Gaiownik](https://appshunter.io/developer/1896460698) |

## What reviewers say

### LightBlue®

[App page](https://appshunter.io/ios/app/lightblue/id557428110)

This app allows users to interact with Bluetooth Low Energy devices. It supports scanning for, connecting to, and analyzing BLE peripherals, as well as simulating your own BLE devices. It's a comprehensive tool for developers and enthusiasts working with BLE technology.

**Highlights:** Scan and discover BLE peripherals, Connect and view device profiles, Read and write characteristics, Subscribe to notifications, Create and advertise virtual BLE devices, Clone peripheral profiles, Log and share BLE events

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Found lost devices
- 🔍 Helpful for locating Bluetooth devices
- 👍 Works great
- 👍 Lifesaver
- 👍 Fantastic app

**What reviewers complain about**

- 🐛 Doesn't work with dead devices
- 🐛 Unreliable connection
- 🐛 Confusing to use
- 🐛 Doesn't work with all devices

**Reported bugs**

- Crashes after updates
- Fails to connect Apple Pencil
- Doesn't detect all nearby devices

**Requested features**

- Ability to manually name devices
- More precise location tracking
- Integration with Siri/Shortcuts


### YesterMorrow Countdown Clocks

[App page](https://appshunter.io/ios/app/yestermorrow-countdown-clocks/id6768740015)

Visually track important dates with customizable countdowns and count-ups. Choose from various widget styles and personalized themes to make time personal and easy to glance at. Your events are private and stored locally.

**Highlights:** Countdown and count-up timers, Multiple widget styles, Personalized themes, Flexible time formats, Private and lightweight, No ads

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LightBlue® free?

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

### Is YesterMorrow Countdown Clocks free?

YesterMorrow Countdown Clocks is free to download, with no in-app purchases.

### Which has better reviews, LightBlue® or YesterMorrow Countdown Clocks?

YesterMorrow Countdown Clocks is rated higher. LightBlue® averages 4.4 out of 5 from 943 ratings, while YesterMorrow Countdown Clocks averages 5.0 from 1 ratings.

### Do LightBlue® or YesterMorrow Countdown Clocks have ads?

Neither LightBlue® nor YesterMorrow Countdown Clocks shows ads.

### Which is updated more often, LightBlue® or YesterMorrow Countdown Clocks?

LightBlue® ships an update every 3 weeks, and YesterMorrow Countdown Clocks every 5 months. Most recently, LightBlue® was updated on November 1, 2026 and YesterMorrow Countdown Clocks on October 31, 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.*