# Tempus DC vs Source BT

The clearest difference is rating: Source BT at 4.3 against Tempus DC's 1.0. Source BT also leads on update cadence (monthly vs every 6 months) and ratings volume (8 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Source BT holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Source BT has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Tempus DC ships an update every 6 months, Source BT monthly. Both last shipped on October 7, 2026.

## The numbers

| Metric | Tempus DC | Source BT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/tempus-dc/id1459113290/reviews) | **[4.3 (8 ratings)](https://appshunter.io/ios/app/source-bt/id1498885597/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | Free |
| Size | 108 MB | 12 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Toro Company](https://appshunter.io/developer/625274713) | [CAST Lighting LLC.](https://appshunter.io/developer/1498885596) |

## What reviewers say

### Tempus DC

[App page](https://appshunter.io/ios/app/tempus-dc/id1459113290)

This app allows users to easily manage and program battery-powered irrigation controllers via Bluetooth. It offers features like checking battery status, setting security passwords, and programming irrigation schedules with multiple start times and water budgets. Users can also manually operate or pause their controllers.

**Highlights:** Manage up to 200 controllers, Check controller battery status, Set security passwords, Program irrigation schedules, Manual irrigation operation, Pause irrigation

**Features:** macOS Compatibility

**In-app purchases:** none


### Source BT

[App page](https://appshunter.io/ios/app/source-bt/id1498885597)

Control intelligent LED spotlights with Bluetooth mesh technology. Adjust RGBW colors, brightness, and color temperature. Program custom lighting scenes for your fixtures.

**Highlights:** Bluetooth mesh control, RGBW color adjustment, Brightness and color temperature control, Fixture grouping, Custom scene programming

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

**In-app purchases:** none


## Frequently asked questions

### Is Tempus DC free?

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

### Is Source BT free?

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

### Which has better reviews, Tempus DC or Source BT?

Source BT is rated higher. Tempus DC averages 1.0 out of 5 from 1 ratings, while Source BT averages 4.3 from 8 ratings.

### Do Tempus DC or Source BT have ads?

Neither Tempus DC nor Source BT shows ads.

### Which is updated more often, Tempus DC or Source BT?

Tempus DC ships an update every 6 months, and Source BT monthly. Most recently, Tempus DC was updated on October 7, 2026 and Source BT on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*