Invoice AI vs InterX Therapy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Invoice AI
Generate professional invoices and estimates with AI assistance. Manage clients, track sales, and receive automated financial reports. Supports voice commands and multilingual options for efficient business management.
- Voice invoicing
- AI sales projections
- Multilingual support
- Smart assistant
- Automatic reports
- Daily backups
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Invoice AI is the fastest way to bill from your phone. Build the invoice in three steps — client, items, total — turn it into a PDF and send it by WhatsApp or email before you leave the job. No templates, no laptop, no waiting until you're back at the office. INVOICES • Three-step flow: client, items, total • Taxes and discounts per line or on the total • PDF with your details, your logo and your numbering • Full-screen customer signature • Duplicate a past invoice and change only what moved • Void without deleting: the document stays in your history PAYMENTS • Record partial payments and see the outstanding balance instantly • Save how you were paid: bank transfer, PayPal, Zelle, CashApp, Venmo • Send a payment link by WhatsApp, SMS or email, with the amount built in • The app remembers the methods you use with each client ESTIMATES • The same screen you already know, with its own numbering • Statuses: draft, sent, accepted, declined, expired and invoiced • Turn an accepted estimate into an invoice without retyping anything • Optional expiry date, so it lapses on its own CLIENTS AND PRODUCTS • Your client list with their details and payment terms • A catalog of products and services with price, tax and discount • Search by name or code, no menus • Add a client or a product without leaving the invoice DASHBOARD AND REPORTS • What you're owed and what's overdue, right on the first screen • Sales and estimates for the period you pick • Charted reports on invoicing, clients, products and estimates • Export any of them to PDF or CSV for your spreadsheet YOUR ACCOUNT, YOUR DATA • Sign in and get your data back on a new phone • Automatic cloud backup • Choose which backup to restore, not just the latest one WORKS OFFLINE Your data lives on your phone. Bill on site, at the market or at your client's door with no signal, and the PDF still comes out. YOUR LANGUAGE, YOUR LOOK English, Spanish and Portuguese, light or dark theme. The app follows your phone if you'd rather not choose. BUILT FOR ONE HAND Big targets, buttons where your thumb lands, not one extra step. We designed it watching how people actually bill: standing up, in a hurry, with the client waiting. Invoice AI is for people who bill and collect themselves — trades, retail, home services, distribution and counter sales.
InterX Therapy
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Inside the InterX Therapy app, you can: Access all of your videos in one easy to use app Receive push notifications with the latest news and updates Access to all of your videos without having to remember your password Save your favorite posts so you can quickly find them later
Screenshots
Verdict
Invoice AI and InterX Therapy are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.
| Parameter | Invoice AI | InterX Therapy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (11 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 43 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Crafty Apps | HTK ENTERPRISES, INC. |
In-app purchases
Invoice AI
No in-app purchases
InterX Therapy
No in-app purchases









