# RTP ZigZag vs Opto SIC

The clearest difference is rating: Opto SIC at 4.5 against RTP ZigZag's 3.0. Opto SIC also leads on update cadence (monthly vs every 7 months) and ratings volume (197 vs 4). RTP ZigZag's advantage is iOS requirement (10.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Opto SIC holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Opto SIC has 197 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of RTP ZigZag's written reviews are positive against 19% of Opto SIC's.

RTP ZigZag ships an update every 7 months, Opto SIC monthly. The most recent releases landed on August 31, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | RTP ZigZag | Opto SIC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/rtp-zigzag/id1139259942/reviews) | **[4.5 (197 ratings)](https://appshunter.io/ios/app/opto-sic/id1532795091/reviews)** |
| Number of ratings | 4 | **197** |
| Positive reviews | 0.0% of reviews | **18.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | Free |
| Size | 52 MB | 115 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple TV |
| Age rating | 4+ | 12+ |
| Developer | [Rádio e Televisão de Portugal, S.A.](https://appshunter.io/developer/449177848) | [Sic-Sociedade Independente de Comunicacao S.A](https://appshunter.io/developer/1532795093) |

## What reviewers say

### RTP ZigZag

[App page](https://appshunter.io/ios/app/rtp-zigzag/id1139259942)

Stream live TV and radio broadcasts, and follow your favorite shows and podcasts all in one place. Never miss a moment of your preferred content with this integrated entertainment hub.

**Highlights:** Live TV streaming, Live radio streaming, Follow favorite shows, Follow favorite podcasts, Integrated content hub

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

**In-app purchases:** none


### Opto SIC

[App page](https://appshunter.io/ios/app/opto-sic/id1532795091)

Stream top Portuguese entertainment and news content, including series, films, soap operas, documentaries, and journalism. Access live broadcasts, recorded shows, exclusive original content, and daily news summaries anytime, anywhere.

**Highlights:** Live TV broadcasts, 30-day automatic recordings, Exclusive original content, Customizable news summaries, Exclusive soap opera previews

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📺 Good content library of Portuguese novelas and SIC programming
- 🎨 Visually pleasing and easy-to-navigate interface
- 🌍 Allows Portuguese speakers abroad to access home content
- 🎬 Access to exclusive OPTO content and reality shows
- ▶️ Live TV and pause/rewind functionality available

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing issues
- ❌ Content unavailable in many countries (geo-restrictions)
- 💰 Expensive pricing, especially for international users
- 🔌 Constant disconnections and playback interruptions
- 📵 Premium paywall blocks most free content

**Reported bugs**

- App crashes and freezes frequently
- Login failures with 'bad request' errors
- Black screen when trying to reset password
- Content shows 'try again later' or 'not available at the moment'
- Double charging for monthly subscriptions

**Requested features**

- Add SIC Notícias (news channel) to live programming
- Include older novelas in catalog (Vingança, Rosa, etc.)
- Add Brazilian novelas currently airing on SIC
- Multiple user profiles to avoid content duplication
- Ability to manage subscription within app (not just website)


## Frequently asked questions

### Is RTP ZigZag free?

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

### Is Opto SIC free?

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

### Which has better reviews, RTP ZigZag or Opto SIC?

Opto SIC is rated higher. RTP ZigZag averages 3.0 out of 5 from 4 ratings, while Opto SIC averages 4.5 from 197 ratings.

### Do RTP ZigZag or Opto SIC have ads?

Neither RTP ZigZag nor Opto SIC shows ads.

### Which is updated more often, RTP ZigZag or Opto SIC?

RTP ZigZag ships an update every 7 months, and Opto SIC monthly. Most recently, RTP ZigZag was updated on August 31, 2026 and Opto SIC on September 16, 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.*