# edX online learning vs API653 Storage Tank Inspector

The clearest difference is update cadence: edX online learning at every 5 weeks against API653 Storage Tank Inspector's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. edX online learning sells 42 one-off in-app purchases and API653 Storage Tank Inspector sells 1 in-app purchase, starting at $9.00 per month. Whichever you choose, the download price is not the number that matters.

edX online learning ships an update every 5 weeks, API653 Storage Tank Inspector every 5 months. The most recent releases landed on October 26, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | edX online learning | API653 Storage Tank Inspector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (11K ratings)](https://appshunter.io/ios/app/edx-online-learning/id945480667/reviews)** | — |
| Number of ratings | **11K** | — |
| Positive reviews | 81.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [edX LLC](https://appshunter.io/developer/1700453712) | [Ambitionz Apps](https://appshunter.io/developer/1764753535) |

## What reviewers say

### edX online learning

[App page](https://appshunter.io/ios/app/edx-online-learning/id945480667)

Access thousands of online courses and degree programs from top universities and companies. Upskill in critical disciplines, strengthen your resume, and advance your career on your own schedule. Stream content, download materials, and test your knowledge with quizzes and exams.

**Highlights:** Thousands of courses and programs, World-class academic and industry partners, Career skill development, Professional certificate programs, Degree programs, Stream online courses, Download course materials

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

**In-app purchases (42)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Course | $5.00 | one-time |
| Upgrade Course | $10.00 | one-time |
| Upgrade Course | $19.00 | one-time |
| Upgrade Course | $20.00 | one-time |
| Upgrade Course | $25.00 | one-time |
| Upgrade Course | $26.00 | one-time |
| Upgrade Course | $29.00 | one-time |
| Upgrade Course | $30.00 | one-time |
| Upgrade Course | $39.00 | one-time |
| Upgrade Course | $45.00 | one-time |
| Upgrade Course | $49.00 | one-time |
| Upgrade Course | $50.00 | one-time |
| Upgrade Course | $54.00 | one-time |
| Upgrade Course | $55.00 | one-time |
| Upgrade Course | $59.00 | one-time |
| Upgrade Course | $60.00 | one-time |
| Upgrade Course | $69.00 | one-time |
| Upgrade Course | $79.00 | one-time |
| Upgrade Course | $99.00 | one-time |
| Upgrade Course | $100.00 | one-time |
| Upgrade Course | $105.99 | one-time |
| Upgrade Course | $119.00 | one-time |
| Upgrade Course | $123.99 | one-time |
| Upgrade Course | $124.99 | one-time |
| Upgrade Course | $129.00 | one-time |
| Upgrade Course | $149.00 | one-time |
| Upgrade Course | $150.00 | one-time |
| Upgrade Course | $159.00 | one-time |
| Upgrade Course | $169.00 | one-time |
| Upgrade Course | $186.99 | one-time |
| Upgrade Course | $189.00 | one-time |
| Upgrade Course | $199.00 | one-time |
| Upgrade Course | $200.00 | one-time |
| Upgrade Course | $209.00 | one-time |
| Upgrade Course | $219.00 | one-time |
| Upgrade Course | $229.00 | one-time |
| Upgrade Course | $249.00 | one-time |
| Upgrade Course | $299.00 | one-time |
| Upgrade Course | $300.00 | one-time |
| Upgrade Course | $349.00 | one-time |
| Upgrade Course | $449.00 | one-time |
| Upgrade Course | $829.00 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient learning on the go
- 💡 Wide variety of courses
- 🌟 High-quality content from renowned institutions
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Buggy app performance
- 🔍 Lack of progress tracking
- 📱 Limited functionality compared to website
- 🔍 Difficult to navigate courses
- 🔍 Inconsistent user experience

**Reported bugs**

- Videos not playing or freezing
- Frequent app crashes or refreshes
- Login issues and loss of course progress
- Incompatibility with certain devices

**Requested features**

- Improved progress tracking and bookmarking
- Split-screen support for note-taking
- Offline mode for all course content
- Better search and filtering options
- Seamless sync between app and website


### API653 Storage Tank Inspector

[App page](https://appshunter.io/ios/app/api653-storage-tank-inspector/id6756944847)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| API 653 Storage Tank Inspector | $9.00 | per month |


## Frequently asked questions

### Is edX online learning free?

edX online learning is free to download, with in-app purchases available.

### Is API653 Storage Tank Inspector free?

API653 Storage Tank Inspector is free to download, with in-app purchases available.

### Do edX online learning or API653 Storage Tank Inspector have ads?

Neither edX online learning nor API653 Storage Tank Inspector shows ads.

### Which is updated more often, edX online learning or API653 Storage Tank Inspector?

edX online learning ships an update every 5 weeks, and API653 Storage Tank Inspector every 5 months. Most recently, edX online learning was updated on October 26, 2026 and API653 Storage Tank Inspector on October 18, 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.*