D&S FLO vs SimTanka
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
D&S FLO
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D&S FLO is an app that allows access to D&S' Products, Services and Tools. Why use FLO? Product Manual : Get access to the entire Davis & Shirtliff Product manual including datasheets, spare parts, product models, product prices etc. Chat : Chat with our Contact centre and get realtime Service and Support anywhere, anytime. eShop : Access all products on the eShop and purchase products using MPESA & VISA. You also get to select where you would like the products delivered or collected. Engineer Toolbox : Access relevant engineer tools such as Pump sizing, Friction calculator, Head calculator, Drop cable sizing, Chemical dosage calculator etc. Stockists : Access contact information for all Davis & Shirtliff stockists My Equipment : Register your equipment with Davis & Shirtliff to allow for easy follow in-case of service and maintenance.
SimTanka
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With climate change bringing more extreme weather, planning for adequate clean water is more important than ever. SimTanka helps you estimate, collect, store, and monitor rainwater for household use. SimTanka downloads past daily rainfall records for your location so you can see seasonal variations and drought cycles. Use this data to set a realistic daily household water budget tailored to your needs. SimTank then suggests optimal rainwater tank sizes to meet your budget based on the historical rainfall. Large tanks can be expensive, but undersized tanks won't provide enough water. This feature takes the guesswork out of planning tank capacity. Worried about droughts and shortages? SimTanka looks ahead 30 days using forecast data to estimate your available rainwater. Youโll know in advance if rationing may be required. After installing your system, the app becomes your water diary. Log each rainfall event and the amount collected in your tank. Note any water quality issues like odor or debris that require treatment. Record maintenance like filter changes and roof washing. Knowing your water supply and demand helps preparation. Store extra in times of plenty, and conserve when lean times arrive. With climate uncertainty, a good rainwater harvesting plan brings resilience and peace of mind. This app provides the information you need to create a reliable, safe home rainwater system.
Screenshots
Verdict
The clearest difference is in-app purchases: D&S FLO at none against SimTanka's 3. SimTanka's advantage is update cadence (every 2 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. SimTanka sells 3 one-off in-app purchases. D&S FLO asks for nothing beyond the download.
D&S FLO ships an update every 5 months, SimTanka every 2 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | D&S FLO | SimTanka |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 17.6 | 16.0 โ better |
| Further details โ not scored | ||
| Size | 138 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | DAVIS AND SHIRTLIFF LIMITED | Vikram Vyas |
In-app purchases
D&S FLO
No in-app purchases
SimTanka
- Support SimTanka$0.99
- Voluntary Contribution$9.99
- Voluntary Contribution$99.99









