# Optical Simulator vs 100 Lyrics

The clearest difference is in-app purchases: Optical Simulator at none against 100 Lyrics's 4. Optical Simulator also leads on iOS requirement (11.0 vs 15.1). 100 Lyrics's advantage is update cadence (every 4 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. 100 Lyrics sells 4 in-app purchases, starting at $14.99 per month. Optical Simulator asks for nothing beyond the download.

Optical Simulator ships an update every 4 months, 100 Lyrics every 4 days. The most recent releases landed on October 15, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Optical Simulator | 100 Lyrics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/100-lyrics/id6743194378/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 82 MB | 28 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Treeview Studio SAS](https://appshunter.io/developer/1171912639) | [Francesco Russo](https://appshunter.io/developer/1785522621) |

## What reviewers say

### Optical Simulator

[App page](https://appshunter.io/ios/app/optical-simulator/id1536399422)

**Features:** macOS Compatibility

**In-app purchases:** none


### 100 Lyrics

[App page](https://appshunter.io/ios/app/100-lyrics/id6743194378)

Effortlessly create captivating lyric videos with AI-powered dynamic backgrounds. Simply provide your audio and lyrics, and the app generates stunning visuals to match your music's mood. Ideal for musicians and content creators seeking a no-editing-required solution.

**Highlights:** AI-generated visual backgrounds, Custom-synced lyrics, Custom styles and fonts, HD export, No editing skills required

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $14.99 | per month |
| One Premium Credit | $5.99 | one-time |
| Five Premium Credits | $24.99 | one-time |
| Ten Premium Credits | $49.99 | one-time |


## Frequently asked questions

### Is Optical Simulator free?

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

### Is 100 Lyrics free?

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

### Do Optical Simulator or 100 Lyrics have ads?

Neither Optical Simulator nor 100 Lyrics shows ads.

### Which is updated more often, Optical Simulator or 100 Lyrics?

Optical Simulator ships an update every 4 months, and 100 Lyrics every 4 days. Most recently, Optical Simulator was updated on October 15, 2026 and 100 Lyrics on October 22, 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.*