# Blu Petroleum vs Promise Learning

Blu Petroleum and Promise Learning are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Blu Petroleum ships an update every 2 months, Promise Learning monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Blu Petroleum | Promise Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (18 ratings)](https://appshunter.io/ios/app/promise-learning/id1619408653/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 211 MB | 537 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [William Stomp](https://appshunter.io/developer/1170051251) | [MOTH+FLAME, INC.](https://appshunter.io/developer/1604004883) |

## What reviewers say

### Blu Petroleum

[App page](https://appshunter.io/ios/app/blu-petroleum/id1614786778)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Promise Learning

[App page](https://appshunter.io/ios/app/promise-learning/id1619408653)

This app offers hyper-realistic, interactive learning experiences designed to drive behavioral change through emotional connection. It utilizes AI and NLP to provide adaptive programs for mastering technical and cognitive skills in immersive workplace scenarios.

**Highlights:** Hyper-realistic interactive learning, AI and NLP powered adaptive programs, Emotional connection for behavioral change, Difficult conversation practice, Corporate immersive learning marketplace, Photo-realistic reenactment scenarios

**In-app purchases:** none


## Frequently asked questions

### Is Blu Petroleum free?

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

### Is Promise Learning free?

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

### Do Blu Petroleum or Promise Learning have ads?

Neither Blu Petroleum nor Promise Learning shows ads.

### Which is updated more often, Blu Petroleum or Promise Learning?

Blu Petroleum ships an update every 2 months, and Promise Learning monthly. Most recently, Blu Petroleum was updated on November 3, 2026 and Promise Learning on November 3, 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.*