# NASA SBX vs e

The clearest difference is rating: e at 5.0 against NASA SBX's 4.3. e also leads on update cadence (every 2 months vs every 8 months) and iOS requirement (13.0 vs 15.0). NASA SBX's advantage is ratings volume (8 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

e holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: NASA SBX has 8 ratings behind it against 1, so its average is the more settled of the two.

NASA SBX ships an update every 8 months, e every 2 months. The most recent releases landed on September 15, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | NASA SBX | e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (8 ratings)](https://appshunter.io/ios/app/nasa-sbx/id1147705250/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e-manageone-customer/id6454539421/reviews)** |
| Number of ratings | **8** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 28 MB | 32 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NASA](https://appshunter.io/developer/355542146) | [MARKETPLACE SOFTWARE LLC](https://appshunter.io/developer/1522721067) |

## What reviewers say

### NASA SBX

[App page](https://appshunter.io/ios/app/nasa-sbx/id1147705250)

This app connects small businesses with NASA contracting opportunities. It provides access to contract listings, networking with NASA specialists, and agency metrics data. Stay informed about the latest small business news and events to contribute to NASA's mission.

**Highlights:** Active contract listings, Requests for proposals, Network with Small Business Specialists, Explore prime metrics data, Small business news and events

**Features:** Vision Pro support

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-manageone-customer/id6454539421)

Access project details, track orders, and communicate with your dealership. Manage documents, quotes, invoices, and schedules. Submit requests, create notes, and explore inventory for a streamlined customer experience.

**Highlights:** View active opportunities and order statuses, Access documents, quotes, and invoices, Manage project calendars and schedules, Submit punch lists and request services, Create notes and attach documents, Explore inventory and start new projects

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NASA SBX free?

NASA SBX is free to download, with no in-app purchases.

### Is e free?

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

### Which has better reviews, NASA SBX or e?

e is rated higher. NASA SBX averages 4.3 out of 5 from 8 ratings, while e averages 5.0 from 1 ratings.

### Do NASA SBX or e have ads?

Neither NASA SBX nor e shows ads.

### Which is updated more often, NASA SBX or e?

NASA SBX ships an update every 8 months, and e every 2 months. Most recently, NASA SBX was updated on September 15, 2026 and e on June 1, 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.*