# Runes Guide vs iSOLID

The clearest difference is in-app purchases: iSOLID at none against Runes Guide's 2. iSOLID also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). Runes Guide's advantage is iOS requirement (15.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Runes Guide sells 2 in-app purchases, starting at $1.99 per month. iSOLID asks for nothing beyond the download.

Runes Guide ships an update every 3 weeks, iSOLID every 4 days. The most recent releases landed on August 26, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Runes Guide | iSOLID |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 123 MB | 19 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [Nikolai Borisov](https://appshunter.io/developer/1838085350) |

## What reviewers say

### Runes Guide

[App page](https://appshunter.io/ios/app/runes-guide/id6746326376)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| runes_by_oliva_subscription | $1.99 | per month |
| runes_by_oliva_donation | $1.99 | one-time |


### iSOLID

[App page](https://appshunter.io/ios/app/isolid-learn-programming/id6752113008)

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

**In-app purchases:** none


## Frequently asked questions

### Is Runes Guide free?

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

### Is iSOLID free?

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

### Do Runes Guide or iSOLID have ads?

Runes Guide shows ads; iSOLID does not.

### Which is updated more often, Runes Guide or iSOLID?

Runes Guide ships an update every 3 weeks, and iSOLID every 4 days. Most recently, Runes Guide was updated on August 26, 2026 and iSOLID on September 13, 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.*