# Jake for stratigraphy vs quBit in 2D

The clearest difference is in-app purchases: Jake for stratigraphy at none against quBit in 2D's 3. quBit in 2D's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. quBit in 2D sells 3 one-off in-app purchases. Jake for stratigraphy asks for nothing beyond the download.

Jake for stratigraphy ships an update every 22 months, quBit in 2D every 11 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Jake for stratigraphy | quBit in 2D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 11 months** |
| Size | 1 MB | 0 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| 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


### quBit in 2D

[App page](https://appshunter.io/ios/app/qubit-in-2d/id6450132499)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| coffee | $0.99 | one-time |
| latte | $4.99 | one-time |
| whopper set | $9.99 | one-time |


## Frequently asked questions

### Is Jake for stratigraphy free?

Jake for stratigraphy is free to download, with no in-app purchases.

### Is quBit in 2D free?

quBit in 2D is free to download, with in-app purchases available.

### Do Jake for stratigraphy or quBit in 2D have ads?

Neither Jake for stratigraphy nor quBit in 2D shows ads.

### Which is updated more often, Jake for stratigraphy or quBit in 2D?

Jake for stratigraphy ships an update every 22 months, and quBit in 2D every 11 months. Most recently, Jake for stratigraphy was updated on October 4, 2026 and quBit in 2D on October 10, 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.*