SDS Mobile vs FOA LossCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDS Mobile
Access an extensive database of safety data sheets (SDS) and material safety data sheets (MSDS) on your mobile device. Quickly search for products using barcode scanning, view detailed chemical information, and respond effectively during emergencies. Share SDS documents via various communication channels.
- Access to industry-leading SDS/MSDS database
- Barcode scanning for product search
- Unlimited SDS viewing and searching
- "My Favorites" binder for frequently used SDS
- Share SDS via fax, email, text, and social media
- GHS-compliant SDS
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SDS Mobile™ — The best free way to manage your safety data sheets™ Get instant access to the innovator’s of electronic SDS management’s industry-leading database of material safety data sheets (MSDS) and reformatted GHS-compliant safety data sheets (SDS). Search and view an unlimited number of SDSs. Barcode scanning feature allows you to search for specific products that are present in your facility. Respond quickly and competently in emergency situations. Gain instant insight into the chemicals and products you are working with—all from the palm of your hand! Add an unlimited number of frequently referenced SDSs to your personal “My Favorites” binder. Forward complete SDSs by fax, e-mail, text message; or send SDS through social share to Twitter, Facebook and other apps. KHA also offers complete SDS, chemical inventory management and environmental compliance services. Find out why thousands of companies have made KHA Online-SDS™ the global choice for SDS compliance and data management services. Visit us online at www.online-msds.com, www.kha.com, ghskit.com or call 1-800-274-4995. **Please note that safety data sheets delivered by SDS Mobile™ have primarily been authored for North American markets**
FOA LossCalc
This app calculates the estimated optical loss of a fiber optic link. It helps installers verify test results and designers determine if communication equipment will function. Users can select link types, specify fiber length, and count connections/splices for accurate loss calculations.
- Estimates optical loss for fiber optic links
- Supports singlemode and multimode links
- User-defined custom setups
- Calculates end-to-end loss
- Helps determine pass/fail for test results
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FOA LossCalc estimates the optical loss of a fiber optic link. This will save time for the installer of a fiber optic link needing to know whether test results are reasonable and/or make a "pass/fail" determination. It can also help the designer of a link to determine if communications equipment will operate over this link. By choosing the type of link (singlemode or multimode) and specifying the length of the fiber and numbers of connections and splices, it will calculate the end to end loss of the link. The app has default specifications for singlemode and multimode links or the user may create custom setups with specifications appropriate for any application.
Screenshots
Verdict
SDS Mobile and FOA LossCalc both sit at 3.6 stars, but that hides the real split: 86% of FOA LossCalc's written reviews are positive against 53% of SDS Mobile's. FOA LossCalc also leads on monetization model (free vs ad-supported) and iOS requirement (6.0 vs 15.5). SDS Mobile's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (18 vs 4). On price, rating, 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.
On the App Store both sit at effectively the same score — 3.6 for SDS Mobile against 3.5 for FOA LossCalc. Both are backed by a comparable volume of ratings — 18 and 4 respectively. Written reviews are what separate them: 53% of SDS Mobile's written reviews are positive against 86% of FOA LossCalc's.
SDS Mobile ships an update every 3 weeks, FOA LossCalc every 2 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.
| Parameter | SDS Mobile | FOA LossCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (18 ratings) — better | 3.5 (4 ratings) |
| Positive reviews | 53.1% of reviews | 85.7% of reviews — better |
| Number of ratings | 18 — better | 4 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.5 | 6.0 — better |
| Further details — not scored | ||
| Size | 101 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | KHA, Online-MSDS | Miriam Hayes |
Customer experience
SDS Mobile
FOA LossCalc
In-app purchases
SDS Mobile
No in-app purchases
FOA LossCalc
No in-app purchases






