Klimatbyrån vs Probability
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Klimatbyrån
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With our K factor application, you can commission Klimatbyrån's ventilation products such as air diffusers and dampers. The app database contains K factors for our current products. It also contains all historical k factors for expired product versions and legacy products. When launching the app, an automatic check is made to ensure that your device is updated with the latest k factors, if necessary, the app is updated with the lastest K factors in a few seconds (requires internet). This means that the app stores all K factors locally on your device and can be used in offline mode on a regular basis. With the app it is possible to: • Calculate the K factor, flow or pressure of our products • Use the calculator to calculate k factor, flow and pressure for other products that are not in the database. • Download maintenance documents for products via our website (SE-versions, requires internet). • Get in touch with Klimatbyrån's sales offices via e-mail or telephone. Product Identification: • Installed products are identified by the product label, containing: – Product name – Product size – Manufacturing date, 4 digits (YY-WW). KB Klimatbyrån AB has supplied ventilation equipment in Sweden since 1977. Today, our range includes air diffusers, chilled beams, dampers, measuring units, sound attenuators, a full range of VAV and DCV products and textile ventilation systems. We also specialize in air humidifiers and laboratory/clean room system solutions via our subsidiary Umecto AB. In Denmark, our products are sold by Netavent A/S.
Probability
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Probability Calculate the probability of conditional events or unconditional events. Conditional events Example: What is the probability of throwing one six with a dice in throw number two with the condition that throw one was a six. Unconditional events Example: What is the probability that it will be some six in two throws with a dice whether it is throw number one or two. Up to ten events can be linked together.
Screenshots
Verdict
The clearest difference is update cadence: Klimatbyrån at every 4 months against Probability's every 18 months. Probability's advantage is iOS requirement (9.0 vs 12.4). On price, ads, 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.
Klimatbyrån ships an update every 4 months, Probability every 18 months. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.
| Parameter | Klimatbyrån | Probability |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months — better | Every 18 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.4 | 9.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Klimatbyrån AB | domesticusdevelop |
In-app purchases
Klimatbyrån
No in-app purchases
Probability
No in-app purchases









