ConcurGov vs NASA SAFE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ConcurGov
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.
- Book travel reservations
- Manage travel itineraries
- Check flight status
- Create and submit expenses
- Snap and attach receipt photos
- Submit travel authorizations
- Approve travel authorizations
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Specifically designed for ConcurGov users. Only existing ConcurGov users can use this app. To perform all tasks with the app, certain configurations will need to be turned on by your organization. SAP Concur's free companion mobile app lets you keep on top of things while you’re travelling. With the ConcurGov mobile app, you can: *Book air, rail, car, and hotel reservations *Manage and track travel itineraries *Check flight status *Create expenses for vouchers or authorizations *Snap photos of your receipts and connect them to expenses *Submit travel authorizations and vouchers *Submit local authorizations *Approve travel authorizations and vouchers
NASA SAFE
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.
- Emergency contact directory
- Real-time location sharing with security
- Friend Walk location tracking
- Access to safety resources
- Safety alerts
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NASA SAFE is the official safety app of NASA. It is the only app that integrates with NASA's safety and security systems. The app will send you important safety alerts and provide instant access to safety resources. NASA SAFE features include: - Emergency Contacts: Contact the correct services for the NASA area in case of an emergency or a non-emergency concern - Mobile Bluelight: Send your location to NASA security in real-time in case of a crisis - Friend Walk: Send your location to a friend through email or SMS on your device. Once the friend accepts the Friend Walk request, the user picks their destination and their friend tracks their location in real time; they can keep an eye on them to make sure they make it safely to their destination. - Security Guidance: Enhance your safety with the set of resources provided in one convenient app.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ConcurGov | NASA SAFE |
|---|---|---|
| Price | Free | Free |
| Rating | 1.4 (85 ratings) | 4.5 (12 ratings) — better |
| Positive reviews | 6.3% of reviews | 33.3% of reviews — better |
| Number of ratings | 85 — better | 12 |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 93 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Concur | NASA |
Customer experience
ConcurGov
NASA SAFE
Bugs and requests
ConcurGov
Reported bugs
35 issues- 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
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- Cannot get past the initial acknowledgment
- Privacy statement keeps reappearing
- Privacy act statement will not go away
- Stays forever in the Privacy Act Notice after logging in
- Privacy act page won’t go away, loops over and over
- Unable to use the app after a recent update, cannot get past privacy notice
- App opens to a mostly blank screen that says “SAP Concur” and gets stuck
- App often goes to an intro screen and stays there, unable to log in
- Experiencing major delays on Apple’s new operating system
- App is worthless, doesn’t work, constantly crashes
- Constantly have to delete and re-download the app just to be able to get in it
- App just keeps crashing
- Need to open the app 20 times before it will recognize Face ID
- App doesn’t work anymore
- App will not open
- App is only capable of crashing, giving errors, and not opening
- App crashes when trying to approve or stamp
- Adding expenses is limited due to all the expense types not showing in the scroll area
- Expense scroll selection for expense categories stops in the L’s
- App crashes constantly, have to delete and reinstall every time
- App does not work on iPhone XS Plus
- App keeps crashing
- App will not work because it won’t recognize current username and password
- “Voucher from Authorization” doesn’t work, only pulls up old authorizations
- App keeps crashing and kicking me out every time I try to view authorizations
- Took away the ability to add receipts
- No way to add receipts
- App seems to crash when trying to view authorizations & vouchers
- App does not let you add expenses
- Cannot view accounting strings when approving/stamping travel
Requested features
16 requests- 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
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- Add receipts
- View receipts and attachments
- Edit and delete expenses
- Add expenses
- View receipts uploaded from the desktop site
- Add a new receipt from this app
- Add expenses
- Ability to add receipts to your voucher
- Add receipts
- Add expenses
- View accounting strings when approving/stamping travel
NASA SAFE
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ConcurGov
No in-app purchases
NASA SAFE
No in-app purchases
Questions
Is ConcurGov free?
Is NASA SAFE free?
Which has better reviews, ConcurGov or NASA SAFE?
Do ConcurGov or NASA SAFE have ads?
Which is updated more often, ConcurGov or NASA SAFE?
Other comparisons
