# phase estimation algorithm vs Positional Encoding

The clearest difference is iOS requirement: phase estimation algorithm at 16.0 against Positional Encoding's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | phase estimation algorithm | Positional Encoding |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 12 MB | 2 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [carl nohre](https://appshunter.io/developer/452344755) |

## What reviewers say

### phase estimation algorithm

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Positional Encoding

[App page](https://appshunter.io/ios/app/positional-encoding/id6749869150)

**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 Positional Encoding free?

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

### Do phase estimation algorithm or Positional Encoding have ads?

Neither phase estimation algorithm nor Positional Encoding shows ads.

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

phase estimation algorithm ships an update monthly, and Positional Encoding monthly. Most recently, phase estimation algorithm was updated on October 10, 2026 and Positional Encoding on October 12, 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.*