# URBS vs Solar Declination

URBS and Solar Declination are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

URBS ships an update monthly, Solar Declination every 2 months. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | URBS | Solar Declination |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 54 MB | 38 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aglet Digital](https://appshunter.io/developer/1654231032) | [Rafael Guedes Alves](https://appshunter.io/developer/650179806) |

## What reviewers say

### URBS

[App page](https://appshunter.io/ios/app/urbs/id6444369297)

**In-app purchases:** none


### Solar Declination

[App page](https://appshunter.io/ios/app/solar-declination/id6759112331)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is URBS free?

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

### Is Solar Declination free?

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

### Do URBS or Solar Declination have ads?

Neither URBS nor Solar Declination shows ads.

### Which is updated more often, URBS or Solar Declination?

URBS ships an update monthly, and Solar Declination every 2 months. Most recently, URBS was updated on October 9, 2026 and Solar Declination on October 5, 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.*