Mobile UX redesign
Task flows rebuilt for thumbs, not mouse pointers.
Web App to Mobile App
Turn a web product into store-ready mobile apps.
ERPHUBs converts successful web applications into mobile apps, reusing APIs and business logic while redesigning for touch, notifications, camera and offline use.
Web App to Mobile AppDesigned and delivered by ERPHUBs
Why It Matters
Why Web App to Mobile App Needs a Specialist Approach
Customers increasingly expect your web product in their pocket. A mobile app can reuse your back-end and add notifications, camera and offline use. We decide what to reuse, what to redesign for touch, and which stack serves you best.
ERPHUBs converts successful web applications into mobile apps, reusing APIs and business logic while redesigning for touch, notifications, camera and offline use.
Discuss your project0data loss targetReconciled at record level
Minutestypical cut-over downtimeWith replication and rehearsals
100%feature parity checkedRegression tests against the old app
Rollbackalways readyTested before the switch
What You Get
What Is Included in Web App to Mobile App
Each deliverable is scoped, reviewed with you and handed over with documentation.
API readiness review
Back-end changes needed for mobile performance and security.
Native features added
Push, camera, biometrics and offline support.
Shared accounts and data
One login and one source of truth across web and app.
Beta and store launch
TestFlight and Play testing before public release.
Adoption plan
In-app prompts and email to move web users to the app.
Bottlenecks and Fixes
Where Web App to Mobile App Projects Get Stuck, and How We Design Around It
Poor mobile web UX
The bottleneck. Desktop layouts frustrate phone users.
How we design it. Mobile-first flows for the key tasks.
Target result: 0 data loss target
Missing native features
The bottleneck. Camera, location and push are unavailable.
How we design it. Native or hybrid app using device capabilities.
Target result: Minutes typical cut-over downtime
Backend not ready
The bottleneck. APIs are tied to page rendering.
How we design it. API hardening and token-based authentication.
Target result: 100% feature parity checked
By Industry
Web App to Mobile App: Bottlenecks We Solve, Industry by Industry
Every sector hits different walls. Here is what we see and how we design around it.
SaaS
Bottleneck: Users want on-the-go approvals.
Our design: Focused companion app for the top five tasks.
Real estate
Bottleneck: Agents work outside the office.
Our design: Mobile CRM with offline lead capture.
Education
Bottleneck: Students use phones first.
Our design: Mobile learning app with offline lessons.
Field service
Bottleneck: Technicians need photo and signature.
Our design: Mobile job app synced to the web system.
Migration Risk Control
Migration Risks and How We Remove Them
Migrations fail in predictable ways. We plan for each one before the first record moves.
Data loss or corruption
The risk. Records are altered or dropped during transfer.
Our safeguard. Checksums, record counts and sampled comparisons at every trial load.
Extended downtime
The risk. Users locked out during the switch.
Our safeguard. Continuous replication and a rehearsed, time-boxed cut-over.
Feature regressions
The risk. Behaviour differs from the old app.
Our safeguard. Automated regression suite and side-by-side user acceptance tests.
Lost reviews and users
The risk. Store changes reset ratings or break updates.
Our safeguard. Same bundle IDs, transfer-safe processes and staged rollouts.
Security gaps
The risk. New environment is configured loosely.
Our safeguard. Hardened landing zone, secrets management and access reviews.
Cost overruns
The risk. Cloud or licence costs exceed forecasts.
Our safeguard. Right-sizing, budgets and alerts from the first week.
Sign-off Checklist
How We Prove the Web App to Mobile App Worked
Nothing goes live on trust. Each item below is checked, recorded and signed off with you before cut-over.
- Record counts match between source and target for every table
- Checksums and sampled records compared for critical entities
- All integrations and webhooks re-tested end to end
- User accounts, roles and permissions verified
- Performance matches or beats the old system under load
- Backup and restore tested on the new environment
How We Deliver
A Five-Step Delivery Path
- 1AssessInventory of code, data, dependencies and users.
- 2PlanTarget architecture, mapping and rollback plan.
- 3MigrateStaged moves with automated checks.
- 4ValidateReconciliation and parallel run.
- 5Cut overSwitch, monitor and retire the old system.
Typical stackReact NativeFlutterREST APIsPushOAuth
Standards We Build To
Quality, Security and Compliance in Web App to Mobile App
Record-level reconciliation
Counts, checksums and samples compared between old and new.
Rehearsed cut-over
At least one full dress rehearsal before go-live.
Security and compliance
Encrypted transfer, access control and audit logs.
User continuity
Accounts, sessions and settings carried across.
Planning
What Affects Timeline and Cost in Web App to Mobile App
Typically 4 to 16 weeks depending on size, data volume and downtime limits.
Size and age of the system
Older, larger systems need deeper discovery.
Data volume
Large datasets need staged or replicated loads.
Downtime tolerance
Zero-downtime plans add engineering effort.
Third-party dependencies
Every library and integration must be replaced or re-tested.
Engagement Models
Ways to Work With ERPHUBs
Fixed-scope project
A clear scope, timeline and price for well-defined work.
Dedicated team
A named squad that works as part of your team month to month.
Support retainer
Ongoing fixes, updates and monitoring after launch.
Use Cases
Where Web App to Mobile App Delivers the Most Value
Typical situations where clients bring us in, and what we design for each.
SaaS going mobile
Reuse your API and design system to launch store apps with native features.
Field and operations teams
Camera, GPS, barcode and offline modes the browser cannot match.
Customer engagement
Push notifications and biometric login that lift repeat use.
Phased scope
Start with the three screens users need daily, then expand.
Tools and Technology
How We Build Web App to Mobile App
Assessment tooling
Code, data and dependency scans that size the work before quoting.
Data migration
Scripted extraction, mapping and validation with repeatable dry runs.
Parallel testing
Old and new systems tested against the same cases and datasets.
Cut-over controls
Freeze windows, rollback plans and live monitoring on go-live day.
Success Metrics
How We Measure Web App to Mobile App Results
We agree measurable targets up front and report against them.
Data reconciliation
Record counts and balances matched between old and new systems.
Downtime
Planned cut-over windows measured in minutes where possible.
Defects after go-live
Open critical issues at day 7 and day 30.
User adoption
Logins and task completion compared with the old system.
Before You Decide
Questions to Settle Before Starting Web App to Mobile App
Will users lose data or access?
Dry runs and reconciliation reports prove nothing is lost before cut-over.
How long will we be offline?
We plan the shortest safe window and rehearse it.
What if something goes wrong?
A tested rollback path is part of every migration plan.
Do you handle store and account details?
Yes, including bundle IDs, certificates and compliance forms.
After Launch
Support, Maintenance and Handover
Monitoring and fixes
Uptime, errors and performance watched, with fixes under agreed response times.
Updates and security
Dependencies, platforms and security patches kept current.
Enhancements
A monthly pool of hours for improvements, prioritised with you.
Training and handover
Documentation, recordings and sessions so your team stays independent.
Works With Zoho
Connected to the Zoho Apps You Already Use
Zoho
Connected by ERPHUBs, a Zoho Authorized Partner.
See howMore in App Migration
Related App Migration Services
FAQ
Web App to Mobile App, Answered
Should I make a PWA or native app?
If you need store presence or deep device features, choose native or cross-platform; otherwise a PWA may be enough.
Can we keep one backend?
Yes. We extend it with mobile-friendly APIs.
How long does conversion take?
Often 8 to 14 weeks for a focused feature set.
How much does Web App to Mobile App cost?
Cost depends on scope, integrations, compliance needs and the number of users or pages. After a short discovery we give a fixed or phased quote with clear milestones, so you can compare it with other options.
How long does Web App to Mobile App take?
Typically 4 to 16 weeks depending on size, data volume and downtime limits.
What support do you provide after Web App to Mobile App goes live?
We offer support retainers covering fixes, updates, monitoring and enhancements, plus a handover with documentation and training so your team is never locked in.
Start the conversation
Tell us about your Web App to Mobile App project
Share your goal and constraints. A senior consultant replies with questions, options and a scoped quote.
Singapore
Web App to Mobile App for Singapore businesses
We build for Singapore users: SGD pricing, GST-ready checkout and invoices, local payment methods and fast delivery to Singapore visitors.
Local payments
Typical connections here: DBS / OCBC / UOB statement import, InvoiceNow (Peppol), PayNow.
GST-ready
Prices, invoices and receipts follow GST (9% standard) and SGD.
Fast for Singapore
Hosting and caching chosen for visitors in Singapore, tested on mobile and desktop.
Support in your time zone
Mon-Fri 09:00-18:00 SGT. Typical first reply within 4 business hours.
Yes. The Singapore team configures it with the Zoho Books Singapore edition (GST), SGD and GST, and supports it Mon-Fri 09:00-18:00 SGT.
Zoho accounts for Singapore use the Nearest regional data centre (confirmed at signup) (zoho.com). We confirm the data centre with you before any migration or integration starts.