Case studyWhy Veyra exists

Money moves. The story should stay together.

A payroll account, an e-wallet, a card bill: each shows a number, and none says how they connect. This is why Veyra was built — the everyday problem, what published research says about it, what was built in response, and what hasn’t been proven yet.

Start reading Go to the research

Evidence10 sources, 4 questions

MethodFocused literature review

Reviewed30 September 2026

StatusBuilt; outcomes untested

Published evidence informs the approach; Veyra’s effect on how people manage money has not been measured. Last updated 30 September 2026. The illustrations are decorative — no one pictured took part in any study cited here.

01The everyday problem

A balance can be right and still not say what happened.

Three ordinary moments where a list of transactions stops explaining itself. The money is the same either way; what changes is whether the record can say what it was for.

01Topping up GCash from the bank

What a list shows

BDO Savings-₱5,000.00

What the ledger records

Money moved between two of your own accounts — BDO Savings to GCash. Nothing was bought.

Counted as spending₱0.00

₱0.00

02Groceries on a card, then paying the card

What a list shows

SM Markets-₱4,146.75
BPI Visa payment-₱38,236.40

What the ledger records

Spent once, when the groceries were bought. The payment moves cash to the card and clears what is owed — it is not spending again.

Counted as spending₱4,146.75

₱4,146.75

03Dinner for two, split with a friend

What a list shows

Din Tai Fung-₱3,860.00

What the ledger records

The whole bill left the card. Your half is spending; the other half is money a friend owes you, until it is settled.

Counted as spending₱1,930.00

₱1,930.00

A list is not wrong in any of these — every line happened. It just can’t say which lines were spending, which moved money you still have, and which you are owed. Across a month, that is the difference between a total that alarms you and knowing what you did. Figures are the landing’s fictional sample month.

02What the research says

What published research can — and can’t — tell us.

10 sources, grouped by the question each can answer. They studied different people, places and outcomes, so they are never added up into one score — and none of them tests Veyra.

aWho are we designing for?

Population surveys · 2 sources

50%
Half of Filipino adults own a formal financial account; 36% hold e-money and 23% a bank account. [1]
Bangko Sentral ng Pilipinas · Philippines · national survey, 8,784 interviews · 2025
Limit: Individual ownership, not household access. Account types overlap, so the shares don’t add up.
Read the source — 2025 Consumer Finance and Inclusion Survey (opens in a new tab)
37%
In 2021, 37% of adults reported having savings; among those savers, 81% cited emergencies as a reason to save. [2]
Bangko Sentral ng Pilipinas · Philippines · survey of 1,200 adults · 2021
Limit: The 81% describes savers, not all adults — historical context, not a current estimate.
Read the source — 2021 Financial Inclusion Survey (opens in a new tab)

What it means for Veyra: Cash and digital money have to fit the same record, and available money has to be told apart from money already spoken for — without assuming everyone has a bank account.

bCan a finance app help?

Direct app interventions · 3 sources

More frequent balance checking. Adolescents assigned to use Toshl reported checking their current-account balance more often than controls. [8]
Stefan Angel (profile, opens in a new tab) · Austria · 2018 · a budgeting app
Limit: Reported oversight of income and expenses did not improve. Checking more often is not proof of saving more.
Read the paper — Smart tools? A randomized controlled trial on the impact of three different media tools on personal finance (opens in a new tab)
Better tracking and financial capability. The Money Matters trial reported improvements in income-and-expense tracking and measures of resilience to financial shocks. [9]
Declan French (profile, opens in a new tab), Donal McKillop (profile, opens in a new tab) & Elaine Stewart (profile, opens in a new tab) · Northern Ireland · 2020 · four finance apps with engagement support
Limit: A bundle of tools was tested among credit-union members. Survey outcomes and follow-up attrition limit what can be concluded about a tracker on its own.
Read the paper — The effectiveness of smartphone apps in improving financial capability (opens in a new tab)
Learning gains, without a clear savings gain. A transaction-recording intervention improved financial literacy and price knowledge among young people leaving school. [10]
Veronica Frisancho (profile, opens in a new tab), Alejandro Herrera (profile, opens in a new tab) & Silvia Prina (profile, opens in a new tab) · Peru · 2023 · a financial diary with visits and nudges
Limit: Budgeting and savings behavior did not significantly change. Visits and SMS mean the app’s independent effect is unknown.
Read the paper — Can a mobile-app-based behavioral intervention teach financial skills to youth? Experimental evidence from a financial diaries study (opens in a new tab)

What it means for Veyra: Tracking can raise awareness; the evidence that it changes saving is thin and mixed. Veyra makes no outcome claim, and the first test it proposes is whether people understand their money better.

cHow does information change a choice?

Behavioral mechanisms · 2 sources

23% vs 40%
Showing a card’s minimum payment lowered what people chose to repay: mean partial repayments were 23% of the balance with the minimum shown, and 40% without it. [5]
Neil Stewart (profile, opens in a new tab) · Hypothetical payment experiment, 413 participants · 2009
Limit: Full repayments were not significantly affected, and choices about hypothetical statements do not establish the same effect on real Philippine ones.
Read the paper — The Cost of Anchoring on Credit-Card Minimum Repayments (opens in a new tab)
Across seven studies, people underestimated “exceptional” spending and treated each unusual purchase as a one-off; considering them together reduced overspending. [6]
Abigail B. Sussman (profile, opens in a new tab) & Adam L. Alter (profile, opens in a new tab) · US students and online panels · seven studies · 2012
Limit: US samples, and no single effect size is presented as a universal estimate.
Read the paper — The Exception Is the Rule: Underestimating and Overspending on Exceptional Expenses (opens in a new tab)

What it means for Veyra: Keep minimum due, statement balance and total debt apart, and let irregular costs — a repair, a celebration, an annual renewal — be seen together, because they draw on the same money.

dWhat helps intentions become actions?

Bank and messaging interventions · 3 sources

202 of 710
A Philippine bank offered a savings account that locked withdrawals until a goal the saver chose; of 710 people offered it, 202 opened one. [3]
Nava Ashraf (profile, opens in a new tab), Dean Karlan (profile, opens in a new tab) & Wesley Yin (profile, opens in a new tab) · Philippines · randomized field experiment · 2006
Limit: It tested restricted withdrawals, not a budgeting app. Veyra’s goals don’t lock money.
Read the paper — Tying Odysseus to the Mast: Evidence from a Commitment Savings Product in the Philippines (opens in a new tab)
≈6%
Randomly assigned reminders increased savings by about 6% in the pooled sample of participating savers. [4]
Dean Karlan (profile, opens in a new tab), Margaret McConnell (profile, opens in a new tab), Sendhil Mullainathan (profile, opens in a new tab) & Jonathan Zinman (profile, opens in a new tab) · Philippines, Bolivia & Peru · three randomized field experiments · 2016
Limit: A relative effect on balances at the partner banks, among savers in three countries — not six percentage points, and not a Philippine-only estimate.
Read the paper — Getting to the Top of Mind: How Reminders Increase Saving (opens in a new tab)
SMS messages did not increase account opening, and existing clients who received them transacted less. [7]
J-PAL (profile, opens in a new tab) & Innovations for Poverty Action (profile, opens in a new tab) · Dominican Republic · randomized evaluations · 2015
Limit: A counterpoint, not a verdict: reminders are not universally effective.
Read the source — Encouraging Savings through SMS Messages in the Dominican Republic (opens in a new tab)

What it means for Veyra: A reminder helps when it points at something relevant and actionable; its timing and its burden have to be tested, not assumed.

03The design response

Four questions. Four decisions.

The research says where to look; it doesn’t prescribe a ledger. The ledger is the engineering answer that keeps Veyra’s answers to four questions consistent with one another.

01What is my current position?
02Why did it change?
03What is likely to happen next?
04What needs attention?

The path from an action to a balance

One event from the sample month — paying the card — as the ledger keeps it.

01 · What happened
Pay BPI VisaFrom BDO Savings · one card payment
₱38,236.40
02 · The ledger’s entries
Ledger
- Paid from
  BDO Savings
  Money reduced
  -₱38,236.40
- Applied to
  BPI Visa
  Debt reduced
  -₱38,236.40
03 · What it derives
BDO Savings balance₱210,383.95
Owed on BPI Visa₱0.00
Added to spending₱0.00

Cash went down and the debt went with it; nothing was spent — the groceries were counted when they were bought. The Ledger check re-adds every balance from entries like these; reconciliation compares an account with its statement. Consistency inside the record and completeness outside it are different checks.

Decision 01

Keep one record of what happened.

A financial event owns its effects on accounts. Every balance is derived from the ledger’s entries, never kept separately by each feature.

In the product: One posting path for every money movement, and the Ledger check, which re-adds every balance from its entries and says when it last did.

Tradeoff: Posting and checking add complexity. The return is a balance whose arithmetic can be shown.

Decision 02

Explain the number before asking for anything.

Cash, card debt, a statement balance and a minimum due answer different questions. Their labels and relationships matter more than one headline total.

In the product: A transaction names every account it changed; a transfer is movement, never spending; a card keeps what’s owed, what’s available and the statement apart.

Tradeoff: More explanation can mean more to read. Detail has to be there when asked for, not on every screen.

Decision 03

Let people correct the record deliberately.

A record should be easy to add and hard to get wrong silently — and a mistake should be undone, not erased.

In the product: Ask Veyra drafts each record as a card and saves nothing until you confirm; a retried save is still one record; a void reverses an event and keeps its row; a bill is paid because a payment exists.

Tradeoff: Confirming takes a moment. And a consistent ledger can still miss a cash purchase nobody logged, or start from a wrong balance.

Decision 04

Stay calm, and say it plainly.

Neutral surfaces, readable labels and a quiet hierarchy keep the explanation central. Colour means money in, money out, movement or attention — never decoration.

In the product: White canvases and graphite actions throughout; green, rose, blue and amber only where they mean something.

Tradeoff: Calm can’t become vague. A due date or a discrepancy still needs a plain label and a clear next step.

04What remains to prove

Built is not the same as proven.

The ledger keeps the record consistent. Whether that changes how people manage money is a different question — and no one has measured it yet.

What the ledger guarantees

Every movement of money posts through one path, as one event.
A save retried after a dropped connection is still one record.
A void reverses an event’s effect and keeps its history.
The Ledger check re-adds every balance from its entries.
Reconciliation compares an account with its statement.

What no one has measured

That people understand where their money went better than they do today.
That they save more, or miss fewer bills.
That they feel less anxious about money.
That any of this holds outside the people who built it.

The first study should test understanding.

Proposed · not yet run

Recruit Philippine participants with different cash, e-wallet and card habits. Give them synthetic records, compare how they do with their current method and with Veyra, and counterbalance the order of the tasks.

Task 1
Can they explain a transfer?
Classify it correctly, in how long, and whether they count it as spending.
Task 2
Can they explain a card payment?
Say what was spent, what cash is left and what is still owed — without help.
Task 3
Can they find and fix a mistake?
Task success, errors, and whether they can explain the correction afterwards.

Behaviour — saving, bills paid on time — would need a longer study after that. It should report recruitment, sample size, drop-outs, uncertainty and null results. There are no Veyra interview quotes, customer stories or measured outcomes in this case study yet.

05Sources