# Solo 401k Calculator — Self-Employed Retirement

> Self-Employed Retirement (iPhone/iPad app by 长贵 周.)

- Source: https://appshunter.io/ios/app/solo-401k-calculator/id6787107561 (this page in markdown: same URL + `.md`)
- Developer: [长贵 周](https://appshunter.io/developer/6779968395)
- Category: Finance, Utilities
- Price: $9.99
- Age rating: 4+
- Requires: iOS 17.0 · 3 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2026-07-09
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/solo-401k-calculator/id6787107561/reviews.md

## What is Solo 401k Calculator?

The most accurate Solo 401(k) calculator for self-employed individuals and small business owners. Powered by 2026 IRS limits.

Whether you're a sole proprietor, freelancer, or S-Corp shareholder, Solo 401k Calculator helps you maximize your retirement contributions and estimate your tax savings.

KEY FEATURES:
• Accurate 2026 IRS limits — $24,500 employee deferral + 25% employer profit sharing, up to $72,000 combined
• SECURE 2.0 catch-up contributions — $8,000 (age 50-59, 64+) or $11,250 super catch-up (age 60-63)
• Supports both Sole Proprietor/LLC and S-Corp income types
• Traditional vs Roth 401k comparison with tax savings estimate
• Federal tax savings calculation with marginal and effective rate breakdown
• Plan comparison: Solo 401k vs SEP-IRA vs SIMPLE IRA side by side
• 9 languages supported

PERFECT FOR:
• Self-employed consultants and freelancers
• Small business owners with no full-time employees
• S-Corp shareholders and single-member LLCs
• Anyone planning self-employed retirement strategy

DISCLAIMER: Results are estimates for planning purposes only. Consult a qualified tax professional for personalized advice.


## Version history (last 1 release)

### 1.0 — 2026-07-09

No release notes.

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All apps by 长贵 周: https://appshunter.io/developer/6779968395

## Related topics

[solo 401k calculator](https://appshunter.io/ios/topics/solo-401k-calculator) · [401k calculator](https://appshunter.io/ios/topics/401k-calculator) · [401kgo](https://appshunter.io/ios/topics/401kgo)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*