FDS Altis vs Renogy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FDS Altis
Access the instructional manual for your product and connect to the system. By using this application, you agree to the Terms of Service and Privacy Policy.
- Product instructional manual access
- System connection
- Terms of Service agreement
- Privacy Policy agreement
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See the instructional manual for your product at https://freefalldatasystems.com for information on how to connect to FDS Altis. By using this app, FDS Altis, you are indicating that you agree to our Terms of Service and Privacy Policy, as described at https://freefalldatasystems.com/termsofservice and https://freefalldatasystems.com/privacypolicy.
Renogy
Monitor your off-grid solar energy systems in real-time, configure devices remotely, and connect with a community of solar enthusiasts. Share your DIY projects, learn from others, and access exclusive promotions and rewards.
- Real-time energy monitoring
- Device settings configuration
- Online DIY learning and sharing
- Exclusive rewards and promotions
- Access to online store
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The Renogy app is made specially for the off-grid community to monitor your Renogy powered solar solutions, share your DIY solutions in the community, and learn more about the solar energy from Renogy users worldwide. Key Features: • Real-time Monitoring 1 Monitor your energy devices all from one app. 2 Keep track of battery levels, remaining charging times, present voltage, and more. • Settings Configurations 1 Configure your devices via just a few taps on your phone screen. 2 Apply changed settings to your devices instantly. • Online DIY Learning & Sharing 1 Share your off-grid living experiences with like-minded individuals. 2 Learn how others design their solar systems on their own. 3 Stay in the loop about new and upcoming off-grid solutions and events from Renogy. • Abundant Rewards 1 Receive early promotion notices and enjoy membership pricing on hundreds of items. 2 Redeem Renogy products and coupons with your earned points. • Online Store 1 Purchase Renogy products and solutions at the optimal prices. Are you ready to take control of your own energy? Download the Renogy app and join Power Plus now
Screenshots
Verdict
FDS Altis and Renogy both sit at 3.9 stars, but that hides the real split: 40% of FDS Altis's written reviews are positive against 11% of Renogy's. Renogy's advantage is ratings volume (824 vs 10) and iOS requirement (13.0 vs 26.2). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 3.9 for FDS Altis against 3.8 for Renogy. That said, the two scores are not equally well evidenced: Renogy has 824 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 40% of FDS Altis's written reviews are positive against 11% of Renogy's.
FDS Altis ships an update every 3 weeks, Renogy every 2 weeks. The most recent releases landed on October 19, 2026 and October 26, 2026 respectively.
| Parameter | FDS Altis | Renogy |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (10 ratings) — better | 3.8 (824 ratings) |
| Positive reviews | 40.0% of reviews — better | 10.6% of reviews |
| Number of ratings | 10 | 824 — better |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 74 MB |
| Age rating | 4+ | 17+ |
| Developer | Casey Mongoven | Renogy Suzhou Co.,Ltd. |
Customer experience
FDS Altis
Renogy
Bugs and requests
FDS Altis
Not enough reviews yet to summarise bugs or requests.
Renogy
Reported bugs
3 issues- App crashes on launch after updates
- Login/account creation issues
- Bluetooth pairing problems
Requested features
4 requests- Detailed battery health and usage history
- Customizable alerts and notifications
- Apple Watch support
- Offline mode for remote monitoring
In-app purchases
FDS Altis
No in-app purchases
Renogy
No in-app purchases
