# deepFormula vs Panora By Keystone Lab

The clearest difference is in-app purchases: Panora By Keystone Lab at none against deepFormula's 2. Panora By Keystone Lab also leads on update cadence (every 3 days vs every 2 months). deepFormula's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. deepFormula sells 2 in-app purchases, starting at $799.00 per month. Panora By Keystone Lab asks for nothing beyond the download.

deepFormula ships an update every 2 months, Panora By Keystone Lab every 3 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | deepFormula | Panora By Keystone Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 84 MB | 64 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Jean Claude Zabaloff](https://appshunter.io/developer/1729237419) | [TZ APAC Pte Ltd](https://appshunter.io/developer/6780430625) |

## What reviewers say

### deepFormula

[App page](https://appshunter.io/ios/app/deepformula/id6757321752)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| deepFormula | $799.00 | per month |
| deepFormula | Free | one-time |


### Panora By Keystone Lab

[App page](https://appshunter.io/ios/app/panora-by-keystone-lab/id6780430623)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is deepFormula free?

deepFormula is free to download, with in-app purchases available.

### Is Panora By Keystone Lab free?

Panora By Keystone Lab is free to download, with no in-app purchases.

### Do deepFormula or Panora By Keystone Lab have ads?

Neither deepFormula nor Panora By Keystone Lab shows ads.

### Which is updated more often, deepFormula or Panora By Keystone Lab?

deepFormula ships an update every 2 months, and Panora By Keystone Lab every 3 days. Most recently, deepFormula was updated on October 4, 2026 and Panora By Keystone Lab on October 9, 2026.

---

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