Microvent Alert vs Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Microvent Alert
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Allows your MicroventVision system to send customized alerts to your iPhone.
Flow
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Tired of wet spot spots in your field hurting your yield year after year? Were you unable to plant this season because your fields are too wet? Are you afraid to tile your field yourself because you don't know how to make a Tile Plan? Flow-X is the solution to your problems. No more guessing where to put your tile. We make it easy for you to get your very own custom Tile Plan. Using Flow-X outline your field, provide details about the field and we will connect you with a seasoned Tile Designer. Using soil and elevation data the Tile Designer will create you a custom Tile Plan. Use other built-in features like our tile calculator to check on flow rates, tile sizes, tile spacing and so much more. Don't forget about our in-house Tech Support the will help you along the way.
Screenshots
Verdict
The clearest difference is update cadence: Flow at every 3 months against Microvent Alert's every 20 months. Flow also leads on iOS requirement (9.0 vs 13.0). 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.
Microvent Alert ships an update every 20 months, Flow every 3 months. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.
| Parameter | Microvent Alert | Flow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 20 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Gorman Controls | Soil-Max, Inc. |
In-app purchases
Microvent Alert
No in-app purchases
Flow
No in-app purchases
