# Baselproblem vs phase estimation algorithm

The clearest difference is update cadence: phase estimation algorithm at monthly against Baselproblem's every 11 months. 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.

Baselproblem ships an update every 11 months, phase estimation algorithm monthly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Baselproblem | phase estimation algorithm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Size | 0 MB | 12 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Horvath](https://appshunter.io/developer/1484572340) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Baselproblem

[App page](https://appshunter.io/ios/app/baselproblem/id1484572342)

**Features:** macOS Compatibility

**In-app purchases:** none


### phase estimation algorithm

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Baselproblem free?

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

### Is phase estimation algorithm free?

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

### Do Baselproblem or phase estimation algorithm have ads?

Neither Baselproblem nor phase estimation algorithm shows ads.

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

Baselproblem ships an update every 11 months, and phase estimation algorithm monthly. Most recently, Baselproblem was updated on October 29, 2026 and phase estimation algorithm on October 30, 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.*