# terneo vs Світло

The clearest difference is in-app purchases: terneo at none against Світло's 6. terneo also leads on review sentiment (69% vs 57%) and iOS requirement (13.0 vs 15.0). Світло's advantage is update cadence (fortnightly vs every 6 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Світло sells 6 in-app purchases, starting at $2.99 per month. terneo asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for terneo against 4.5 for Світло. Both are backed by a comparable volume of ratings — 21 and 37 respectively. Written reviews are what separate them: 69% of terneo's written reviews are positive against 57% of Світло's.

terneo ships an update every 6 weeks, Світло fortnightly. The most recent releases landed on September 22, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | terneo | Світло |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (21 ratings)](https://appshunter.io/ios/app/terneo/id1298591257/reviews) | **[4.5 (37 ratings)](https://appshunter.io/ios/app/id6444603375/reviews)** |
| Number of ratings | 21 | **37** |
| Positive reviews | **68.9% of reviews** | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 52 MB | 57 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [DS ELEKTRONIKS TOV](https://appshunter.io/developer/1784712563) | [ZAV](https://appshunter.io/developer/566898109) |

## What reviewers say

### terneo

[App page](https://appshunter.io/ios/app/terneo/id1298591257)

Control your Wi-Fi heating devices remotely from anywhere in the world. Create custom daily schedules to save electricity and ensure indoor comfort with extensive settings. Monitor heating statistics over time to optimize energy usage.

**Highlights:** Remote operation of Wi-Fi heating controllers, Customizable daily heating schedules, Energy saving via time-based temperature settings, Heating statistics and analysis, Vacation mode for economy temperature, Intuitive interface with color-coded modes

**Features:** Vision Pro support

**In-app purchases:** none


### Світло

[App page](https://appshunter.io/ios/app/id6444603375)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription 1 | $2.99 | per month |
| Monthly subscription 2 | $4.99 | per month |
| Monthly subscription 3 | $9.99 | per month |
| One-time 1 | $3.99 | one-time |
| One-time 2 | $9.99 | one-time |
| One-time 3 | $25.99 | one-time |


## Frequently asked questions

### Is terneo free?

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

### Is Світло free?

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

### Which has better reviews, terneo or Світло?

Світло is rated higher. terneo averages 4.4 out of 5 from 21 ratings, while Світло averages 4.5 from 37 ratings.

### Do terneo or Світло have ads?

Neither terneo nor Світло shows ads.

### Which is updated more often, terneo or Світло?

terneo ships an update every 6 weeks, and Світло fortnightly. Most recently, terneo was updated on September 22, 2026 and Світло on August 26, 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.*