# LSMasterTradingSystem vs Did I Do It?

The clearest difference is update cadence: LSMasterTradingSystem at fortnightly against Did I Do It?'s every 8 months. LSMasterTradingSystem also leads on iOS requirement (13.0 vs 16.1). Did I Do It?'s advantage is review sentiment (100% vs 91%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LSMasterTradingSystem ships an update fortnightly, Did I Do It? every 8 months. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | LSMasterTradingSystem | Did I Do It? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (11 ratings)](https://appshunter.io/ios/app/did-i-do-it/id6462793568/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | 90.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 8 months |
| Monetization | Free | Free |
| Size | 71 MB | 14 MB |
| Requires iOS | **13.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LSMTS Fze](https://appshunter.io/developer/1593269378) | [Joshua Rhine](https://appshunter.io/developer/1703397674) |

## What reviewers say

### LSMasterTradingSystem

[App page](https://appshunter.io/ios/app/lsmastertradingsystem/id1593269376)

Explore market behaviors and understand price forecasting for various assets like cryptocurrencies and stocks. This app offers an exclusive educational journey using proprietary systems and data science.

**Highlights:** Market behavior comprehension, Real-time system efficiency, Proprietary trading systems, Data science application, Price forecasting, Asset class coverage

**In-app purchases:** none


### Did I Do It?

[App page](https://appshunter.io/ios/app/did-i-do-it/id6462793568)

This app helps students keep track of their homework assignments. Quickly add classes and update assignment statuses in seconds, ensuring you never forget what's due. Its simple design allows for rapid input, making it easy to manage your academic tasks.

**Highlights:** Add classes quickly, Update homework status, Fast input design, Simple to-do list, Track assignments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LSMasterTradingSystem free?

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

### Is Did I Do It? free?

Did I Do It? is free to download, with no in-app purchases.

### Do LSMasterTradingSystem or Did I Do It? have ads?

Neither LSMasterTradingSystem nor Did I Do It? shows ads.

### Which is updated more often, LSMasterTradingSystem or Did I Do It??

LSMasterTradingSystem ships an update fortnightly, and Did I Do It? every 8 months. Most recently, LSMasterTradingSystem was updated on October 27, 2026 and Did I Do It? on October 21, 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.*