# Lumos vs Compact IP Decoder

The clearest difference is in-app purchases: Compact IP Decoder at none against Lumos's 6. Compact IP Decoder also leads on device support (4 vs 1) and iOS requirement (11.0 vs 18.6). Lumos's advantage is update cadence (every 3 weeks vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Lumos sells 6 in-app purchases, starting at $0.99 per 7 days. Compact IP Decoder asks for nothing beyond the download.

Lumos ships an update every 3 weeks, Compact IP Decoder every 2 months. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Lumos | Compact IP Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.7K ratings)](https://appshunter.io/ios/app/lumos-sun-and-moon-tracker/id725106192/reviews)** | — |
| Number of ratings | **3.7K** | — |
| Positive reviews | 75.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 16 MB |
| Requires iOS | 18.6 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Luminous Labs](https://appshunter.io/developer/725106195) | [株式会社テクノマセマティカル](https://appshunter.io/developer/1144335251) |

## What reviewers say

### Lumos

[App page](https://appshunter.io/ios/app/lumos-sun-and-moon-tracker/id725106192)

This app precisely predicts the sun and moon's positions for any time and location. Visualize celestial movements with augmented reality, map overlays, and detailed calendars to plan photography, events, or installations.

**Highlights:** Augmented reality sun/moon projection, Map view of celestial positions, Street View for remote locations, Rise/set times and moon phase calendar, Event notifications (dawn, dusk, golden hour), Shadow length and object height calculation

**Features:** Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumos Pro | $0.99 | per 7 days |
| Lumos Pro | $1.99 | per month |
| Lumos Pro | $7.99 | per year |
| Lumos Pro | $7.99 | per year |
| 7-day Trial | Free | one-time |
| Lumos Pro - Lifetime | $14.99 | one-time |


### Compact IP Decoder

[App page](https://appshunter.io/ios/app/compact-ip-decoder/id1144335252)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lumos free?

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

### Is Compact IP Decoder free?

Compact IP Decoder is free to download, with no in-app purchases.

### Do Lumos or Compact IP Decoder have ads?

Neither Lumos nor Compact IP Decoder shows ads.

### Which is updated more often, Lumos or Compact IP Decoder?

Lumos ships an update every 3 weeks, and Compact IP Decoder every 2 months. Most recently, Lumos was updated on September 21, 2026 and Compact IP Decoder on September 9, 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.*