Sauermann Combustion vs L8MS RAS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sauermann Combustion
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Features: - Fast, easy wireless connection to any iOS device* - Remote live view of combustion analysis data as list or graph - Remote control to change settings - Data saving, including automatic logging - Report creation in PDF, CSV (for Excel) and XML formats - Databases for customers, operators & equipment [If you’re using an Si-CA 120, 220 or 320 analyser, please download our “Si-CA MobileApp” from the App Store.] * iOS 12.4 and later – BLE 4.0 capable devices
L8MS RAS
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The risk assessment survey assistant app for mobile devices. Site survey information for plant (tanks, calorifiers, etc.) and asset (outlet locations) registers including photographs can now be captured using our RAS Mobile app. The new mobile app only needs access to the internet to download standard surveys and text and send the assessment back to L8MS Risk (i.e., It runs offline).
Screenshots
Verdict
The clearest difference is ads: L8MS RAS at none against Sauermann Combustion's shown. On price, update cadence, in-app purchases and device support 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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.
| Parameter | Sauermann Combustion | L8MS RAS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 25 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | SAUERMANN INDUSTRIE | David Greaves |
In-app purchases
Sauermann Combustion
No in-app purchases
L8MS RAS
No in-app purchases
Questions
Is Sauermann Combustion free?
Is L8MS RAS free?
Do Sauermann Combustion or L8MS RAS have ads?
Which is updated more often, Sauermann Combustion or L8MS RAS?
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