# SelfQuarter 1099 Tax — Self-employment estimator

> Self-employment estimator (iPhone/iPad app by 26 Branding Agency Inc..)

- Source: https://appshunter.io/ios/app/selfquarter-1099-tax/id6772861348 (this page in markdown: same URL + `.md`)
- Developer: [26 Branding Agency Inc.](https://appshunter.io/developer/1796514891)
- Category: Finance
- Price: $2.99
- Age rating: 4+
- Requires: iOS 15.1 · 32 MB
- Languages: English
- Released: 2026-05-29
- Data updated: 2026-07-06
- User reviews in markdown: https://appshunter.io/ios/app/selfquarter-1099-tax/id6772861348/reviews.md

## What is SelfQuarter 1099 Tax?

SelfQuarter computes your US self-employment quarterly tax payments using the official 2026 Schedule SE rates, federal brackets, and the safe-harbour 110% rule.

Enter your year-to-date 1099 income and SelfQuarter calculates your quarterly federal tax estimates, plus state add-on for the top 10 states. Light and dark themes.

WHAT IT CALCULATES
- Schedule SE (self-employment tax): 12.4% Social Security + 2.9% Medicare
- Additional 0.9% Medicare tax for high earners
- Federal income tax at marginal rate (2026 brackets)
- State income tax for CA, NY, TX, FL, IL, PA, OH, GA, NC, MI
- Safe-harbour 110% rule (prior year x 110% to avoid penalty)
- Quarterly payment amounts and IRS due dates

WHY SELFQUARTER
- Built for the 1099 freelancer / contractor / consultant
- Works 100% offline. No account, no sign-up, no cloud
- No subscription, no ads, no tracking. Pay once, keep it
- Save quarter-over-quarter, share clean breakdowns

SelfQuarter is an estimate for self-employed individuals and does not replace professional tax advice. Always consult a CPA for your final filing.


## Version history (last 2 releases)

### 1.0.1 — 2026-06-29

Updated app information and search tags.

### 1.0 — 2026-05-29

No release notes.

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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 2026-07-06.*