# phase estimation algorithm vs Quantum LMS

The clearest difference is update cadence: phase estimation algorithm at monthly against Quantum LMS's every 4 months. Quantum LMS's advantage is iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

phase estimation algorithm ships an update monthly, Quantum LMS every 4 months. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | phase estimation algorithm | Quantum LMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 12 MB | 53 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [QUANTUM FOR INFORMATION TECHNOLOGY](https://appshunter.io/developer/1486854639) |

## What reviewers say

### phase estimation algorithm

[App page](https://appshunter.io/ios/app/phase-estimation-algorithm/id6469448415)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantum LMS

[App page](https://appshunter.io/ios/app/quantum-lms/id6474442482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is phase estimation algorithm free?

phase estimation algorithm is free to download, with no in-app purchases.

### Is Quantum LMS free?

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

### Do phase estimation algorithm or Quantum LMS have ads?

Neither phase estimation algorithm nor Quantum LMS shows ads.

### Which is updated more often, phase estimation algorithm or Quantum LMS?

phase estimation algorithm ships an update monthly, and Quantum LMS every 4 months. Most recently, phase estimation algorithm was updated on September 15, 2026 and Quantum LMS on September 20, 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.*