Seven Essential Mobile Apps for Property Investors in 2025

Running a rental portfolio from a phone used to seem more impressive in theory than it was useful in reality. Now, however, the right app selection can make a landlord’s operation far easier to access and manage. From a single property to a portfolio of twenty, smooth administration usually depends on having suitable systems in place rather than dealing with avoidable paperwork problems.

Making Tax Digital for Income Tax Self Assessment begins in April 2026 for landlords earning more than fifty thousand pounds. As a result, arranging digital financial records is becoming increasingly urgent. The following seven apps can support property investors in managing their portfolios.

1. Sage: Financial Management and MTD Software

Sage provides the financial basis for an efficiently managed rental portfolio. It records rental income and allowable expenses as they arise, retains the digital records needed for MTD and calculates a landlord’s tax position across the year. This means quarterly submissions and the annual self assessment return can be prepared using accurate, up-to-date information.

For landlords nearing the MTD for ITSA income threshold, Sage simplifies quarterly reporting by making it part of everyday record keeping. Its plans can accommodate landlords with different portfolio sizes without demanding enterprise-level expenditure.

Why it matters: Up-to-date financial oversight and HMRC-recognised digital records underpin a properly managed property portfolio in the MTD era.

2. Plum: Smart Savings and Financial Planning App

Rental property can produce uneven income, while void periods, unplanned repairs and substantial capital spending can affect a portfolio at any point in the year. Effective cash flow management therefore calls for deliberate financial planning. Plum is a smart savings app that reviews income patterns and automatically moves money into dedicated pots for purposes such as tax liabilities, maintenance reserves or acquisition funds.

For landlords who want reserves to accumulate steadily instead of finding funds quickly when an invoice arrives, Plum offers automated discipline without relying on willpower.

Why it matters: Building cash reserves systematically helps landlords avoid being caught short by voids, unexpected repair costs or tax bills before sufficient money has been put aside.

3. Goodlord: Platform for Tenancy Management

Goodlord is a tenancy management platform that letting agents and landlords use to manage the administration between an offer and move-in. Through one digital workflow, it covers referencing, contracts, utility registration and deposit protection. Landlords handling their own lettings can use Goodlord to follow the structured processes commonly used by leading agencies.

When a tenancy is correctly established from the outset, with documents signed, deposits protected and utilities registered in a clear, auditable manner, disputes and complications at the end of the tenancy are significantly less likely.

Why it matters: A properly documented, professional tenancy process lowers dispute risk and provides the clear audit trail needed to support deductions or claims at the tenancy’s conclusion.

4. Property Filter: Deal Sourcing and Investment Analysis Platform

Property Filter is a data platform through which investors can assess the entire property market against their own investment requirements, including yield thresholds, property type, location and price point. Instead of searching portals manually and working out returns property by property, landlords can see only deals that meet their criteria, alongside the relevant calculated metrics.

For landlords seeking measured portfolio growth rather than reactive purchases, a structured deal analysis platform reduces unnecessary information and creates a more efficient, consistent investment decision process.

Why it matters: Using data-led investment analysis instead of instinct supports stronger portfolio decisions and reduces the chance of acquiring properties that perform below expectations.

5. Canopy: Platform for Tenant Referencing

Selecting an unsuitable tenant can be among the most expensive errors a landlord makes. Canopy is a modern tenant referencing platform offering detailed checks, including income verification through open banking, credit history, rental payment history and affordability assessments. These checks are typically completed within hours rather than days.

Canopy’s open banking approach to income verification is especially useful because it reveals actual income instead of depending only on payslips. This can provide a more accurate understanding of whether a prospective tenant can maintain the rent.

Why it matters: Thorough, rapid referencing reduces the likelihood of arrears and possession proceedings while creating an evidential foundation for decisions that could later be challenged.

6. Rightmove Data Tools: Portfolio Valuation and Market Research

Rightmove’s data tools offer more than property search capabilities. They give landlords market insight into comparable local rental values, demand patterns, void rate indicators and how a portfolio compares with its surrounding market. Knowing whether rents remain at market level, or whether a property is becoming more difficult to let, can directly inform financial planning.

Reliable market information is one of the most useful resources available to landlords deciding where to invest next or whether rents for existing properties should be reviewed.

Why it matters: Decisions on rental levels and portfolio growth that are informed by data are more dependable than gut feeling and can directly influence long-term returns.

7. Homeppl: Referencing for International and Non-Standard Tenants

In university cities or urban locations with large numbers of international tenants, students or applicants with non-traditional income, standard referencing platforms may not always deliver a dependable assessment. Homeppl focuses on applicants outside standard criteria, drawing on alternative data sources and guarantor matching to help landlords assess tenancies that may otherwise be difficult to evaluate.

Homeppl addresses a genuine need for landlords seeking access to a wider group of dependable tenants without assuming disproportionate risk.

Why it matters: Rejecting non-standard applicants outright restricts the available tenant pool. Specialist referencing enables landlords to assess such applicants properly instead of relying on assumptions.

Common Questions

From when does MTD for Income Tax Self Assessment affect landlords?

From April 2026, MTD for ITSA applies to landlords whose combined income from property and self employment exceeds fifty thousand pounds. Landlords with income above thirty thousand pounds will follow from April 2027. Although landlords below these thresholds are not currently included, it remains advisable to organise records digitally now, as the requirements are expected to extend further over time.

Which costs may landlords lawfully offset against rental income?

Permitted expenses include letting agent fees, maintenance and repair costs, landlord insurance premiums, accountancy fees, ground rent and service charges, some utility costs during void periods and certain legal fees. For most landlords, mortgage interest relief is limited to a twenty percent tax credit rather than being fully deductible. Accurate digital records maintained throughout the year help ensure every allowable cost is captured and reported correctly.

Is an accountant still necessary when using property finance software?

Landlords with uncomplicated portfolios often manage their own tax responsibilities successfully when they have effective software. Accountants are particularly valuable for landlords with increasingly complex portfolios, those exploring incorporation, those handling capital gains tax on disposal or those seeking a professional review of an annual return. Maintaining orderly records through software such as Sage across the year generally reduces the time an accountant spends on the affairs, which usually lowers their fees.

Should a rental portfolio be incorporated into a limited company?

For some landlords, particularly those with larger portfolios or higher income, incorporation may provide tax advantages. However, the decision carries important financial and legal implications, including effects on existing mortgage terms and stamp duty payable on transfer. Incorporation is not automatically beneficial, so professional advice tailored to individual circumstances is required before taking action.

What steps should landlords take to prepare for MTD ahead of April 2026?

The key action is to adopt HMRC-recognised software and begin recording every item of rental income and expense digitally now. Landlords who start before the deadline will have developed the necessary routine and built accurate records for quarterly submissions well before the requirement takes effect, rather than managing a rushed change.