Future-proof starts now

Bridge ECC and S/4HANA Without Double Work.

If you’re planning your S/4HANA migration but aren’t ready to move yet, Neptune helps you build apps that work today and migrate tomorrow. Our low-code platform supports ECC and S/4HANA side by side, so you can modernize now and reduce rework later.
Move to S4 Hero

Trusted by SAP Experts and Industry Leaders

2
6
7
BALLANCE_WHITE
BECOUR_WHITE
BELL FOOD GROUP_WHITE
CHARITE_WHITE
COLORIFICIO_WHITE
Coop
Daimler
DFO_WHITE
DISCOVERY_WHITE
DUCIT_WHITE
DUSSMANN GROUP_WHITE
EDA
Electrolux
ELKJOP_WHITE
EXXON_WHITE
Fendi
FONTERRA_WHITE
FORSVARET_WHITE
GENDARMERIE_WHITE
Halliburton
HAUNI_WHITE
HITACHI_WHITE
Bayer Logo
INFRASERV_WHITE
JOHNSON AND JOHNSON_WHITE
JOLLYROOM_WHITE
Nippon
NORSK GJENVINNING_WHITE
NZ CONSERVATION_WHITE
RUST-OLEUM_WHITE
NZ DEFENCE_WHITE
SAFRAN_WHITE
SECIL_WHITE
SOTHEBYS_WHITE
STATKRAFT_WHITE
UNITED UTILITIES_WHITE
US SUGAR_WHITE
VATTENFALL_WHITE
VODAFONE_WHITE (2)
Vodafone
WVV_WHITE
Hageland Logo
TC Energy Logo
Prio Energy Logo
PGE Logo
DEWA logo
PCK Logo
OGE logo
Hydro Tasmania logo
energieAG logo
2
6
7
BALLANCE_WHITE
BECOUR_WHITE
BELL FOOD GROUP_WHITE
CHARITE_WHITE
COLORIFICIO_WHITE
Coop
Daimler
DFO_WHITE
DISCOVERY_WHITE
DUCIT_WHITE
DUSSMANN GROUP_WHITE
EDA
Electrolux
ELKJOP_WHITE
EXXON_WHITE
Fendi
FONTERRA_WHITE
FORSVARET_WHITE
GENDARMERIE_WHITE
Halliburton
HAUNI_WHITE
HITACHI_WHITE
Bayer Logo
INFRASERV_WHITE
JOHNSON AND JOHNSON_WHITE
JOLLYROOM_WHITE
Nippon
NORSK GJENVINNING_WHITE
NZ CONSERVATION_WHITE
RUST-OLEUM_WHITE
NZ DEFENCE_WHITE
SAFRAN_WHITE
SECIL_WHITE
SOTHEBYS_WHITE
STATKRAFT_WHITE
UNITED UTILITIES_WHITE
US SUGAR_WHITE
VATTENFALL_WHITE
VODAFONE_WHITE (2)
Vodafone
WVV_WHITE
Hageland Logo
TC Energy Logo
Prio Energy Logo
PGE Logo
DEWA logo
PCK Logo
OGE logo
Hydro Tasmania logo
energieAG logo
Why wait to innovate?

S/4HANA Migration is Inevitable.
But Innovation Can’t Wait.

Neptune enables rapid app development that’s fully SAP-native letting you modernize, extend, and mobilize SAP systems without disrupting your clean core. Build mission-critical business apps faster and more securely.​
Business Challenges IT Strains

High Costs. Low ROI.
Falling Behind.

  • High migration costs & ROI uncertainty.
  • Outdated user experience frustrates teams.
  • Growing gap vs. more agile competitors.
Move Module 2 Card 1

Innovation Under Constraint.

  • Limited availability of skilled SAP developers.
  • Fear of building apps that won’t survive migration.
  • Pressure to reduce tech debt while still delivering.
Move Module 2 Card 2
Innovate today. Migrate tomorrow

One Platform.
Two SAP Generations.

computer

Modernization

Deliver Modern UX on ECC.

Fiori-like apps without BTP or costly new hires.

code

Continuity

Future-proof Your Apps.

Build apps that run on ECC now and move to S/4HANA later.

Move Three Card (625 x 625 px) (625 x 550 px)
mouse

Efficiency

Lower TCO Now.

Cut time-to-delivery, development costs, and future rework.

Real value without double dev

Speed, Scale and S/4HANA Compatibility.

3 x

faster time-to-deploy new apps

100 %

ECC and S/4HANA compatible apps

50 %

lower custom dev cost vs. traditional methods

0 %

rework on apps when migrating to S/4HANA 

Feature highlights

Your S/4HANA Migration Companion.

Transport rules Icon
ECC and S/4HANA Dual Compatibility

Build apps today that work on both ECC and S/4HANA without double development or future rework. 

Low Code 2 Icon
ABAP, SAPUI5 & JavaScript

Use the skills your team already has and bridge traditional SAP development with modern languages.

Mobile Offline 2
Offline and Mobile-First Design

Enable employees in the field or warehouse to work productively even without network access. 

Mobile App Icon 1
UI Prototyping. Drag-and-Drop Design

Speed up delivery with a visual app builder that brings ideas to life without complex coding. 

Clean core
Clean Core Ready and Compliant

Keep your SAP system clean with an approach that avoids modifying core logic or code. 

API 2 Icon
Integration With SAP/Non-SAP Tools 

Connect ECC and S/4HANA to modern tools, platforms, and third-party systems fast. 

“Neptune is helping us deliver fast, sleek apps on ECC today that we can carry into S/4HANA tomorrow without rewriting a single line of code.”

IT Director
Global Retailer

Quote Icon Individual

Frequent
Asked Questions

Didn’t find what you need?

Yes. Neptune lets you build apps on ECC that are fully compatible with S/4HANA. You can innovate now and migrate later, without refactoring or technical debt.

All apps are built outside the SAP core and respect SAP’s clean core principles. You avoid core modifications and future upgrade conflicts.

No. Neptune runs inside your SAP system and does not require BTP, middleware, or additional infrastructure. It’s an alternative to SAP Build that gives you more flexibility and lower TCO.

Yes. Neptune supports ABAP, SAPUI5, and JavaScript, allowing your current SAP team to be productive without needing to learn entirely new frameworks.

By building reusable apps now, cleaning up tech debt, and digitizing processes on ECC, you enter migration with better UX, lower costs, and less rework. Neptune apps move with you.

Yes. Neptune is SAP-certified and supports both ECC and S/4HANA environments, including ABAP Cloud readiness for future-proof architecture.