Iteration Layer
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Sheet Generation

Iteration Layer vs Aspose.Cells

Aspose.Cells is a comprehensive library — with per-developer licensing costs to match.

Why developers switch from Aspose.Cells

Aspose Cells has enterprise pricing, complex auth, and heavy SDKs for what should be a simple task.

Per-request pricing, not per-developer licensing

Aspose.Cells requires a paid per-developer license — and separate licenses per platform (Java, .NET, Python). We charge per sheet generation request, with no seat-based licensing.

Any language, not just Java/.NET/Python

Aspose.Cells has SDKs for Java, .NET, Python, and C++. Our API is a plain HTTP endpoint — usable from any language without an SDK.

No SDK or license server to manage

Aspose requires SDK installation and license file management in your build environment. We are a managed API: one API key, one HTTP endpoint, no licensing infrastructure.

Feature-by-feature comparison

We went through the docs so you don't have to. Here's how every feature compares — including the ones where we're not the better choice.

Feature Iteration Layer Aspose.Cells
Formula support
Yes

Generate spreadsheets with Excel-compatible formulas

Yes

Full formula support with calculation engine

Multi-sheet support
Yes

Generate workbooks with multiple named sheets

Yes

Full multi-sheet workbook support with programmatic API

Output formats
3 formats

XLSX, CSV, and Markdown output

30+ formats

XLS, XLSX, CSV, PDF, HTML, ODS, and many more output formats supported

Sheet definition style
Declarative JSON

Entire spreadsheet described declaratively in a single JSON payload

Programmatic API

Spreadsheets built through programmatic API calls in the chosen SDK language

Feature depth
Standard

Standard spreadsheet features including formulas, styling, and multiple sheets

Comprehensive

Full Excel feature set including charts, pivot tables, VBA macros, and conditional formatting

Rendering fidelity
Standard

Standard spreadsheet rendering for common use cases

Excellent

High-fidelity rendering of complex spreadsheets with advanced formatting

Enterprise SDKs
HTTP API

Standard HTTP API integration with optional TypeScript, Python, and Go SDKs

4 platform SDKs

Dedicated native SDKs for Java, .NET, Python, and C++ with deep platform integration

EU hosting
EU only

All processing happens exclusively on EU-hosted servers

Your choice

Runs on your infrastructure, so data residency depends on where you deploy

Pricing model
Per request

Pay-per-use pricing based on the number of sheet generation requests

Per-developer

Per-developer license with high upfront cost and separate pricing per platform

Infrastructure required
None

Fully managed API with no SDKs, license files, or build-environment setup required

SDK + license

Requires SDK installation and license file management in your build environment

GDPR / Data privacy
Zero retention

No files or results stored beyond temporary 90-day logs

Your responsibility

Data privacy depends entirely on your deployment and infrastructure choices

Pricing

Start usage-based. Switch to a subscription when your volume becomes predictable.

Pay as you go

Usage-based

$0.033 to $0.022 / credit

Graduated pricing. Your effective rate decreases automatically as monthly usage grows.

  • No monthly commitment
  • Pay only for credits used
  • Automatic volume discounts as usage grows
Subscriptions

Predictable volume

From $29.99 /month

Fixed recurring credit packs with lower effective credit prices for steady usage.

  • Lower effective per-credit prices
  • Fixed recurring credit packs
  • Predictable monthly budget
All APIs included Free trial credits per API Project-based budget caps Auto overage billing

Still evaluating?

See how we compare — and where the competition still wins. Choosing the right tool shouldn't require a week of research.

Start building in minutes

Free trial credits included.

Zero data retention Made & hosted in the EU $65 free trial credits