Southern Pi vs Flow Alert
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Southern Pi
Manage your account details, view bills and balances, and make payments securely on the go. Schedule alerts, receive push notifications, and access nearly all web portal features instantly from your mobile device.
- Secure account access
- View bills and balances
- Make payments
- Schedule alerts and reminders
- Receive push notifications
- Manage account details
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Our Mobile App is designed to give you fast, secure account access so you can easily manage your account details, view your bill and your account balance, make payments and find payment locations, schedule alerts and reminders, receive push notifications, and more. Nearly everything you can do from our web portal can now be handled instantly whether you’re at home, at work, or on the go.
Flow Alert
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Flow Alert provides quick access to flow , stage, temperature, and turbidity data made available by the United States Geologic Survey (USGS). Download USGS gauges and add favorites to a separate list. Create nicknames for your favorite gauges. Add a widget on your home screen that shows your selected parameter for your favorite gauges. Currently, widgets update automatically approximately every 15 minutes and show a bell icon if an alert is triggered. Add alerts to notify yourself when your gauge meets your defined criteria. Multiple alerts may be set for each favorite gauge. Manage your alerts for all gauges in one screen. Select a gauge from the list to see an interactive graph of the past 7 days of available data. Data provided by: -United State Geological Survey (USGS) Disclaimer: Flow Alert provides quick access to flow , stage, temperature, and turbidity data made available by the United States Geologic Survey (USGS) via USGS Water Data APIs. All data shown in Flow Alert are downloaded from the USGS Water Data APIs. Flow Alert is not affiliated with, endorsed by, or representative of any government entity including USGS. Flow Alert does not take credit, responsibility, or ownership for any data downloaded from USGS's Water Data API. It is simply a tool that you can use to view the data made available by USGS. Data Source Link: https://api.waterdata.usgs.gov/ If you have feedback, suggestions, or feature requests, please e-mail me at flowalertapp@gmail.com...I'd appreciate it! You may also submit feedback through the in-app feedback page.
Screenshots
Verdict
The clearest difference is iOS requirement: Southern Pi at 12.0 against Flow Alert's 15.0. On price, update cadence, 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.
Southern Pi ships an update every 9 months, Flow Alert every 7 months. Both last shipped on October 24, 2026.
| Parameter | Southern Pi | Flow Alert |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (29 ratings) — better | — |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | 29 — better | — |
| Update frequency | Every 9 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 174 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Southern Pine EC | Shaina Schwartzel |
In-app purchases
Southern Pi
No in-app purchases
Flow Alert
No in-app purchases









