Walnut

Walnut, now known as the axio app, is an Android personal finance tool that reads your transactional SMS messages to organize your spending, bills, and financial products in one place. It focuses on automating expense tracking from bank accounts, credit cards, digital wallets, and utility providers, while also giving access to credit and fixed deposits from an RBI-regulated lender.

It suits users who receive most of their financial alerts by SMS, want an automatic view of their day-to-day money flows, and are comfortable seeing pay-later, loan, and fixed-deposit offers alongside their regular expense tracking.

Automated expense tracking that leans on SMS

The core of the app is its SMS-based expense tracker. It scans transactional SMS messages from your bank accounts, cards, wallets, Sodexo balance, and similar sources, then builds a timeline of what you spend and where. You get a view of both daily and monthly expenses, which helps you monitor patterns and stay within your budget.

On top of that, the app can monitor upcoming payments. It tracks credit card dues and various utility bills, including electricity, DTH, gas, mobile, and Wi-Fi, and can remind you about due dates so you are less likely to miss a bill.

Manual organization is also supported. You can assign custom categories to transactions, add notes and tags, attach bill or receipt photos, and later search by amount, tag, or note. Taken together, this turns your SMS history into a searchable ledger of spending and obligations, with far less typing than a fully manual expense app.

Budgeting, balances, and a unified view of money

Beyond raw transaction lists, Walnut / axio lets you:

- Check your bank balance and overall expenditure in one place

- Plan and follow a budget using its daily and monthly views

- See expenses from multiple sources at a glance instead of app-hopping

For anyone whose financial life runs through SMS alerts, this consolidation into a single dashboard is the main attraction. You get both big-picture trends and bill reminders without combing through your message inbox.

Built-in credit: Pay Later, personal loans, and EMIs

A major part of the app is its embedded credit services:

- axio Pay Later offers a credit line that can be used at thousands of online merchants, with the option of no-cost EMIs on eligible purchases.

- The Checkout Finance feature lets you break payments into EMIs with repayment periods from 3 to 36 months.

For personal loans, eligible users can apply directly from the app. The documentation states that annual interest rates start at 14% and can reach 35%, with loan tenures ranging from 6 to 36 months. There is a processing fee that can be as high as 2% of the disbursed amount, plus GST.

The representative illustration provided is very clear: on a loan of Rs. 1 lakh at a 15% annual rate for 24 months, the EMI would be around Rs. 4,849, with a processing fee of Rs. 2,000 plus Rs. 360 in GST, making the total cost of the loan approximately Rs. 1,18,728. If you are considering using the credit features, this example gives a realistic sense of the cost structure.

Fixed deposits without a separate bank account

The app also includes fixed-deposit booking. According to the description, you can open a fixed deposit in a few minutes in a paperless manner, without needing a separate bank account specifically for it. These deposits are described as offering higher interest rates, being backed by an RBI-regulated, DICGC-insured institution, and providing flexible tenures with a stated policy of zero premature withdrawal.

Verification for this FD process relies on SMS-based checks that bind the investment to your device and SIM, which is intended to protect the investment flow.

Regulatory backing, roles, and data handling

On the lending side, Walnut / axio is backed by a regulated financial entity. Credit offered within the app is facilitated by CapFloat Financial Services Private Limited, an NBFC registered with the Reserve Bank of India, while Axio Digital Pvt. Ltd. provides the digital platform. The axio name itself is the brand used by CapFloat, which is also a founding member of the Digital Lenders Association of India.

The developer states that the app:

- Uses SMS permission to analyze transactional SMS messages for the Money Manager

- Uses SMS data for fraud checks and security in the personal loan journey

- Uses SMS-based SIM-device binding for fixed deposits

- Does not read personal SMS messages or upload sensitive information

For privacy-conscious users, these claims clarify how and why SMS access is requested, although, as always, you have to be personally comfortable with granting that level of access.

User experience: powerful, but recent redesign frustrates some

While the feature set is rich, the current interface has drawn criticism. One user who previously appreciated the app now finds the updated design difficult to use, especially when adding a new expense or income entry by hand. They report that:

- Text on key screens is very small

- Recording a spend or income takes more taps than before

- Automatic category suggestions that used to work for transactions no longer function in the same way

For anyone who leans heavily on manual entry and quick categorization, these changes can slow down routine tasks and make the app feel more cumbersome. The same user also felt that the redesign puts more weight on visual appearance than on efficient tracking, and asked for an option to switch back to the older layout, which currently is not offered.

If you mostly rely on auto-detected SMS transactions and rarely add entries manually, you may not feel this as strongly, but the feedback shows that the recent UX direction will not please everyone.

Reliability and recent fixes

Automation is only useful when it works consistently. One recent incident highlights both a weakness and a positive response:

- SMS auto-detection stopped functioning for several days, so new transactions were not picked up.

- When the affected user tried reinstalling, the in-app backup restore repeatedly failed partway through with a "could not connect" error, forcing them to restart the process from the beginning for several thousand transactions.

- A few days later, the issue was reported as resolved by the same user.

This suggests that while the development team can respond and fix critical problems, occasional outages can still disrupt both live tracking and restoration of a long transaction history. For people who depend on a continuous, uninterrupted record, this kind of downtime can be stressful.

Overall assessment

Walnut / axio stands out as a feature-packed money manager that blends automated SMS-based tracking with access to credit and fixed deposits from a regulated NBFC. It works best for users who value automatic categorization of SMS alerts, consolidated bill reminders, and the convenience of handling loans or FDs in the same app.

On the other hand, the recent interface changes, along with reports of broken category auto-selection and a temporary breakdown in SMS detection and backups, show that the experience is not uniformly smooth. If you prioritize clean, efficient manual entry and absolute reliability above all else, these drawbacks deserve careful consideration.