# TimerUp vs LETS SIGNAL

The clearest difference is in-app purchases: TimerUp at none against LETS SIGNAL's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. LETS SIGNAL sells 1 one-off in-app purchase. TimerUp asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | TimerUp | LETS SIGNAL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (13 ratings)](https://appshunter.io/ios/app/lets-signal/id1627839408/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 72 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HISANORI KAMEYAMA](https://appshunter.io/developer/683895276) | [Masao Nakajima](https://appshunter.io/developer/1537219074) |

## What reviewers say

### TimerUp

[App page](https://appshunter.io/ios/app/timerup/id1469327257)

**Features:** macOS Compatibility

**In-app purchases:** none


### LETS SIGNAL

[App page](https://appshunter.io/ios/app/lets-signal/id1627839408)

Simulate realistic traffic signals and crosswalks from around the world. Customize signal timings and experience different country variations. Upgrade to unlock car traffic lights.

**Highlights:** Realistic crosswalk signal simulation, 7 crosswalk signals from 4 countries, Customizable waiting, lighting, and flashing times, Unlock car traffic lights with premium upgrade, Push button operation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Premium | $3.99 | one-time |


## Frequently asked questions

### Is TimerUp free?

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

### Is LETS SIGNAL free?

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

### Do TimerUp or LETS SIGNAL have ads?

Both TimerUp and LETS SIGNAL show ads.

### Which is updated more often, TimerUp or LETS SIGNAL?

TimerUp ships an update every 4 months, and LETS SIGNAL every 4 months. Most recently, TimerUp was updated on September 10, 2026 and LETS SIGNAL on September 13, 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.*