PayIt St. Louis vs TerrillFLEX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PayIt St. Louis
This app offers a streamlined way to pay your City of St. Louis bills, including Water & Refuse and various taxes. It allows for autopay, partial payments, and provides reminders to avoid late fees. Securely manage multiple city service payments and access receipts all in one place.
- Pay Water & Refuse bills
- Pay Personal Property & Real Estate Tax
- Autopay setup
- Partial payment options
- Payment reminders
- Securely manage multiple bills
- Access payment receipts
Read full descriptionHide full description
Introducing a faster way to pay in St. Louis. From Water & Refuse bills to Personal Property & Real Estate Tax payments, get the official City of St. Louis Collector of Revenue app and pay with a tap. App benefits: - Simple and convenient - For Water & Refuse services, allows you to set up autopay or make a partial payment - The option to make partial payments on tax bills up until your due date - Reminders ensure that you never forget a due date - Securely manage payment of multiple city services from a single app - Friendly, conversational UI guides you through the payment process - Access and view receipts from right in the app - Avoid the lines and the wait! How it works: Just link your water and tax accounts from within the app to get started. View bills, manage your payment methods, access receipts - and so much more - all from the app.
TerrillFLEX
Read full descriptionHide full description
Make the most of your HSA, HRA, and FSA health benefit accounts by quickly checking your balances and details. Our secure app makes managing your health benefits easy through real-time access and intuitive navigation to all your important account information on the go! Powerful features of the app include: Easy, Convenient & Secure • Simply login to the intuitive app using your same health benefits website username and password (or follow alternative instructions if provided) • No sensitive account information is ever stored on your mobile device • Use Touch ID or Face ID to quickly log in to the mobile app Connects You with the Details • Quickly check available balances 24/7 • View charts summarizing account(s) • View claims requiring receipts • Click to call or email Customer Service • View your statements and notifications • Scan product barcodes to determine their eligibility Provides Additional Time-Saving Options (if supported or applicable to your account(s)) • File a claim towards your FSA and HRA • Take or upload a picture of a receipt and submit for a new or existing claim • View, contribute and distribute HSA transactions • Pay bills from any account and add a payee • Manage your expenses by entering medical expense information and supporting documentation • View and Manage your HSA investments • Retrieve your forgotten username/password • Report a debit card as lost or stolen Powered by WEX®
Screenshots
Verdict
The clearest difference is iOS requirement: PayIt St. Louis at 12.4 against TerrillFLEX's 17.0. 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.
PayIt St. Louis ships an update every 3 months, TerrillFLEX every 4 months. The most recent releases landed on June 5, 2026 and September 15, 2026 respectively.
| Parameter | PayIt St. Louis | TerrillFLEX |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (23 ratings) — better | — |
| Positive reviews | 46.2% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 104 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | PayIt, LLC | Marsh & McLennan Agency |
In-app purchases
PayIt St. Louis
No in-app purchases
TerrillFLEX
No in-app purchases
Questions
Is PayIt St. Louis free?
Is TerrillFLEX free?
Do PayIt St. Louis or TerrillFLEX have ads?
Which is updated more often, PayIt St. Louis or TerrillFLEX?
Other comparisons















