# DerLSC vs Spark Brain Training

The clearest difference is in-app purchases: DerLSC at none against Spark Brain Training's 5. DerLSC also leads on iOS requirement (13.0 vs 15.0). Spark Brain Training's advantage is update cadence (every 3 weeks vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. Spark Brain Training sells 5 in-app purchases, starting at $29.99 per year. DerLSC asks for nothing beyond the download.

DerLSC ships an update every 11 months, Spark Brain Training every 3 weeks. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | DerLSC | Spark Brain Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spark-brain-training/id6748276766/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 54 MB | 189 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [苏州德尔互联网科技有限公司](https://appshunter.io/developer/1572410892) | [Shenzhen Bit Echo Technology Co., Ltd](https://appshunter.io/developer/1606003705) |

## What reviewers say

### DerLSC

[App page](https://appshunter.io/ios/app/derlsc/id6502324406)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spark Brain Training

[App page](https://appshunter.io/ios/app/spark-brain-training/id6748276766)

This app offers quick brain exercises designed to combat fatigue, improve concentration, and reduce brain fog. It features a brain age test and various mini-games focusing on memory, logic, and reaction speed, with clear progress tracking.

**Highlights:** Brain Age Test, Focus training, Memory exercises, Mathematical Thinking, Logical Thinking, Reaction Speed games, Growth Data Tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Membership | $29.99 | per year |
| 1200 Diamonds | $4.99 | one-time |
| 3000 Diamonds | $9.99 | one-time |
| 6500 Diamonds | $19.99 | one-time |
| Lifetime Membership | $39.99 | one-time |


## Frequently asked questions

### Is DerLSC free?

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

### Is Spark Brain Training free?

Spark Brain Training is free to download, with in-app purchases available.

### Do DerLSC or Spark Brain Training have ads?

Neither DerLSC nor Spark Brain Training shows ads.

### Which is updated more often, DerLSC or Spark Brain Training?

DerLSC ships an update every 11 months, and Spark Brain Training every 3 weeks. Most recently, DerLSC was updated on October 14, 2026 and Spark Brain Training on October 16, 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.*