# Resistor Plus vs Landmarks

The clearest difference is review sentiment: Landmarks at 67% against Resistor Plus's 0%. Landmarks also leads on price (Free vs $2.99) and update cadence (every 3 weeks vs every 20 months). Resistor Plus's advantage is in-app purchases (none vs 7) and iOS requirement (16.6 vs 26). On ads there is nothing between them.

Landmarks is free to download; Resistor Plus costs $2.99 up front. Landmarks sells 7 in-app purchases, starting at $1.99 per 7 days. Resistor Plus asks for nothing beyond the download.

Resistor Plus ships an update every 20 months, Landmarks every 3 weeks. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Resistor Plus | Landmarks |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.7 (91 ratings)](https://appshunter.io/ios/app/landmarks-world-architecture/id6446065798/reviews)** |
| Number of ratings | — | **91** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 183 MB |
| Requires iOS | **16.6** | 26 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Foyer Objet Inc.](https://appshunter.io/developer/1611012799) |

## What reviewers say

### Resistor Plus

[App page](https://appshunter.io/ios/app/resistor-plus/id500615686)

Easily calculate resistor values and tolerance using color codes. Simply select the colors for each band, and the app instantly displays the resistance in ohms. Save your results with screenshots for future reference.

**Highlights:** Resistor color code calculation, Tolerance calculation, Instant results display, Copy result functionality, Screenshot capability, Works on iPhone and iPad, Ad-free and private

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

**In-app purchases:** none


### Landmarks

[App page](https://appshunter.io/ios/app/landmarks-world-architecture/id6446065798)

Explore over 600 iconic global landmarks in 3D interactive cityscapes. Discover tourist attractions, museums, and more with curated tours and engaging quizzes. Save favorites and earn achievements while learning about famous sights.

**Highlights:** 3D interactive landmark exploration, Over 600 global landmarks, Curated city tours, Engaging quizzes, Save favorite locations, Daylight and moonlight themes

**Features:** Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| World Pass (Week) | $1.99 | per 7 days |
| World Pass (Year) | $6.99 | per year |
| Landmarks Supporter | $2.99 | one-time |
| Landmarks Patron | $4.99 | one-time |
| Landmarks Champion | $7.99 | one-time |
| World Pass (Lifetime) | $24.99 | one-time |
| Landmarks Access | $39.99 | one-time |


## Frequently asked questions

### Is Resistor Plus free?

Resistor Plus costs $2.99, with no in-app purchases.

### Is Landmarks free?

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

### Do Resistor Plus or Landmarks have ads?

Neither Resistor Plus nor Landmarks shows ads.

### Which is updated more often, Resistor Plus or Landmarks?

Resistor Plus ships an update every 20 months, and Landmarks every 3 weeks. Most recently, Resistor Plus was updated on October 2, 2026 and Landmarks on October 14, 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.*