# Jake for stratigraphy vs phase estimation algorithm

The clearest difference is update cadence: phase estimation algorithm at monthly against Jake for stratigraphy's every 22 months. phase estimation algorithm also leads on iOS requirement (16.0 vs 26.0). 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.

Jake for stratigraphy ships an update every 22 months, phase estimation algorithm monthly. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Jake for stratigraphy | phase estimation algorithm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Monthly** |
| Size | 1 MB | 12 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hunt Mountain Software](https://appshunter.io/developer/328710008) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Jake for stratigraphy

[App page](https://appshunter.io/ios/app/jake-for-stratigraphy/id1486090789)

**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 Jake for stratigraphy free?

Jake for stratigraphy 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 Jake for stratigraphy or phase estimation algorithm have ads?

Neither Jake for stratigraphy nor phase estimation algorithm shows ads.

### Which is updated more often, Jake for stratigraphy or phase estimation algorithm?

Jake for stratigraphy ships an update every 22 months, and phase estimation algorithm monthly. Most recently, Jake for stratigraphy was updated on October 4, 2026 and phase estimation algorithm on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*