# Pebble Core vs OpenSol

The clearest difference is rating: OpenSol at 5.0 against Pebble Core's 4.5. OpenSol also leads on review sentiment (100% vs 70%). Pebble Core's advantage is ratings volume (71 vs 4) and iOS requirement (15.6 vs 17.0). On price, update cadence, 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.

OpenSol holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Pebble Core has 71 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 70% of Pebble Core's written reviews are positive against 100% of OpenSol's.

Pebble Core ships an update every 11 days, OpenSol every 8 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Pebble Core | OpenSol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (71 ratings)](https://appshunter.io/ios/app/pebble-core/id6743771967/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/opensol/id6802088485/reviews)** |
| Number of ratings | **71** | 4 |
| Positive reviews | 69.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 8 days** |
| Monetization | Free | Free |
| Size | 159 MB | 11 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Core Devices LLC](https://appshunter.io/developer/1804454692) | [Jordan Ruderman](https://appshunter.io/developer/6802088577) |

## What reviewers say

### Pebble Core

[App page](https://appshunter.io/ios/app/pebble-core/id6743771967)

Manage your smartwatch, customize settings, and explore a variety of watchfaces and apps. Sync health data, control notifications, and update firmware. Supports a wide range of smartwatch models.

**Highlights:** Bluetooth pairing, Watchface and app gallery, Firmware updates, Notification control, Health data sync, Developer tools

**In-app purchases:** none

**What reviewers like**

- 🚀 Usable for basic functionality
- 👍 Works great
- 👍 No issues since installing
- 👍 Supports legacy Pebble watches
- 👍 Excited for the future

**What reviewers complain about**

- 🔒 Requires restrictive Rebble login
- 🔒 Violates privacy

**Reported bugs**

- None mentioned

**Requested features**

- Standard email registration option


### OpenSol

[App page](https://appshunter.io/ios/app/opensol/id6802088485)

Experience a classic 8080 computer emulator inspired by the Sol-20 Terminal Computer. Interact with original firmware, customize display effects, and enjoy an immersive terminal experience. This independently developed app offers a unique retro computing simulation.

**Highlights:** Intel 8080 interpreter, Original OpenSol firmware, Sol Command Monitor, Customizable display effects (CRT, phosphor), Full-screen immersive mode, External keyboard and controller support, Virtual cassette tools

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pebble Core free?

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

### Is OpenSol free?

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

### Which has better reviews, Pebble Core or OpenSol?

OpenSol is rated higher. Pebble Core averages 4.5 out of 5 from 71 ratings, while OpenSol averages 5.0 from 4 ratings.

### Do Pebble Core or OpenSol have ads?

Neither Pebble Core nor OpenSol shows ads.

### Which is updated more often, Pebble Core or OpenSol?

Pebble Core ships an update every 11 days, and OpenSol every 8 days. Most recently, Pebble Core was updated on October 15, 2026 and OpenSol on October 8, 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.*