# Candle vs Sonar LiDAR

The clearest difference is in-app purchases: Candle at none against Sonar LiDAR's 2. Candle also leads on update cadence (every 3 days vs weekly) and iOS requirement (14.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. Sonar LiDAR sells 2 one-off in-app purchases. Candle asks for nothing beyond the download.

Candle ships an update every 3 days, Sonar LiDAR weekly. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Candle | Sonar LiDAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sonar-lidar/id6756738319/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 3 MB |
| Requires iOS | **14.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Herz](https://appshunter.io/developer/1732450644) | [Federico Di Francesco](https://appshunter.io/developer/1610170288) |

## What reviewers say

### Candle

[App page](https://appshunter.io/ios/app/candle-navigation-app/id6478289375)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sonar LiDAR

[App page](https://appshunter.io/ios/app/sonar-lidar/id6756738319)

This app transforms your iPhone Pro's LiDAR sensor into a real-time sonar, providing audio and haptic feedback about your surroundings. It detects walls, furniture, steps, and doorways, aiding navigation in familiar environments.

**Highlights:** Real-time sonar feedback, Audio and haptic alerts, Obstacle detection (walls, furniture, steps), Posture guidance, Optional night vision depth view, VoiceOver support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Offer me a coffee | $0.99 | one-time |
| Offer me a beer. | $3.99 | one-time |


## Frequently asked questions

### Is Candle free?

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

### Is Sonar LiDAR free?

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

### Do Candle or Sonar LiDAR have ads?

Neither Candle nor Sonar LiDAR shows ads.

### Which is updated more often, Candle or Sonar LiDAR?

Candle ships an update every 3 days, and Sonar LiDAR weekly. Most recently, Candle was updated on October 7, 2026 and Sonar LiDAR on October 4, 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.*