# ICLib vs Physics Questions

The clearest difference is in-app purchases: ICLib at none against Physics Questions's 9. Physics Questions's advantage is update cadence (every 4 days vs every 5 months) and iOS requirement (12.0 vs 14.7). On price, ads and device support there is nothing between them.

Both are free to download. Physics Questions sells 9 one-off in-app purchases. ICLib asks for nothing beyond the download.

ICLib ships an update every 5 months, Physics Questions every 4 days. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | ICLib | Physics Questions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/iclib/id1567843142/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 32 MB | 20 MB |
| Requires iOS | 14.7 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ajay Shanker](https://appshunter.io/developer/1545809205) | [Michael Todd](https://appshunter.io/developer/1211079532) |

## What reviewers say

### ICLib

[App page](https://appshunter.io/ios/app/iclib/id1567843142)

This app helps users find and save electronic components. It includes a resistor calculator and supports major distributors like Mouser and Element14. Users can also view PDFs and customize the app's appearance.

**Highlights:** Search and save components, Resistor calculator, Support for Mouser & Element14, Inbuilt PDF viewer, Add to favorites, Light/Dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics Questions

[App page](https://appshunter.io/ios/app/physics-questions/id1616961005)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electricity Questions | $1.99 | one-time |
| Electronics Questions | $1.99 | one-time |
| Electromagnetism Questions | $1.99 | one-time |
| Force & Energy Questions | $1.99 | one-time |
| Motion Questions | $1.99 | one-time |
| Optics Questions | $1.99 | one-time |
| Radioactivity & Thermodynamics | $1.99 | one-time |
| Special Relativity Questions | $1.99 | one-time |
| Waves & Particles Questions | $1.99 | one-time |


## Frequently asked questions

### Is ICLib free?

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

### Is Physics Questions free?

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

### Do ICLib or Physics Questions have ads?

Both ICLib and Physics Questions show ads.

### Which is updated more often, ICLib or Physics Questions?

ICLib ships an update every 5 months, and Physics Questions every 4 days. Most recently, ICLib was updated on June 1, 2026 and Physics Questions on September 19, 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.*