# ConcurGov vs NASA SAFE

The clearest difference is rating: NASA SAFE at 4.5 against ConcurGov's 1.4. NASA SAFE also leads on review sentiment (33% vs 6%) and iOS requirement (13.0 vs 15.0). ConcurGov's advantage is ratings volume (85 vs 12). On price, update cadence, ads and in-app purchases there is nothing between them.

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

NASA SAFE holds the better App Store score, 4.5 against 1.4. That said, the two scores are not equally well evidenced: ConcurGov has 85 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 6% of ConcurGov's written reviews are positive against 33% of NASA SAFE's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ConcurGov | NASA SAFE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (85 ratings)](https://appshunter.io/ios/app/concurgov/id601102626/reviews) | **[4.5 (12 ratings)](https://appshunter.io/ios/app/nasa-safe/id1635210233/reviews)** |
| Number of ratings | **85** | 12 |
| Positive reviews | 6.3% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Size | 93 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Concur](https://appshunter.io/developer/335023777) | [NASA](https://appshunter.io/developer/355542146) |

## What reviewers say

### ConcurGov

[App page](https://appshunter.io/ios/app/concurgov/id601102626)

This mobile application is a companion tool for existing ConcurGov users. It allows travelers to book reservations, manage itineraries, check flight status, and create and submit expense reports and authorizations while on the go. Users can also photograph receipts and attach them to expenses.

**Highlights:** Book travel reservations, Manage travel itineraries, Check flight status, Create and submit expenses, Snap and attach receipt photos, Submit travel authorizations, Approve travel authorizations

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Used to be good
- 👍 Regular version is 5 stars
- 👍 Can add receipts
- 👍 View receipts and attachments
- 👍 Edit and delete expenses

**What reviewers complain about**

- 🐛 App is broken
- 🐛 Doesn’t work
- 🐛 Terrible!
- 🐛 Can’t get past Privacy Statement
- 🐛 Unusable

**Reported bugs**

- Cannot log in
- Privacy notification just flashes after logging in
- Privacy Act notice won't stop popping up
- Privacy Act repeatedly pops up after pressing OK
- App glitches to the point it is unusable

**Requested features**

- Support for TripIt
- Show actual status on dashboard (REVIEW, FUNDS CERT, or APPROVAL)
- Ability to add expenses (e.g., Lodging Tax)
- Ability to view accounting strings when approving/stamping travel
- Include support for TripIt


### NASA SAFE

[App page](https://appshunter.io/ios/app/nasa-safe/id1635210233)

This official safety application provides critical safety alerts and instant access to NASA's safety resources. It includes features for emergency contacts, real-time location sharing with security, and a 'Friend Walk' option to ensure safe travel.

**Highlights:** Emergency contact directory, Real-time location sharing with security, Friend Walk location tracking, Access to safety resources, Safety alerts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ConcurGov free?

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

### Is NASA SAFE free?

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

### Which has better reviews, ConcurGov or NASA SAFE?

NASA SAFE is rated higher. ConcurGov averages 1.4 out of 5 from 85 ratings, while NASA SAFE averages 4.5 from 12 ratings.

### Do ConcurGov or NASA SAFE have ads?

Neither ConcurGov nor NASA SAFE shows ads.

### Which is updated more often, ConcurGov or NASA SAFE?

ConcurGov ships an update every 4 months, and NASA SAFE every 4 months. Most recently, ConcurGov was updated on October 23, 2026 and NASA SAFE on October 24, 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.*