What's new in IRS 5.6.6

Looking for refund status from a previous tax year? You can check up to 3 years prior refund status with IRS2Go.

Added link to Earned Income Tax Credit (EITC) Assistant under the Tax Help tab.

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About IRS 5.6.6

IRS 5.6.6 Play Store screenshots (5)

Screenshots from version 2026.9.23

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This release may come in several variants. Consult our handy FAQ to see which download is right for you.

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5.6.6 APK
91
December 9, 2024
noarch
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IRS 2026.9.23
September 25, 2026

Version:2026.9.23

Uploaded:September 25, 2026 at 5:54PM UTC

File size:15.77 MB

Downloads:6

IRS 6.3.5
August 24, 2026

Version:6.3.5

Uploaded:August 24, 2026 at 9:40PM UTC

File size:32.57 MB

Downloads:6

IRS 6.3.2
April 29, 2026

Version:6.3.2

Uploaded:April 29, 2026 at 8:42PM UTC

File size:86.64 MB

Downloads:7

IRS 6.3.1
April 23, 2026

Version:6.3.1

Uploaded:April 23, 2026 at 5:23PM UTC

File size:86.62 MB

Downloads:6

IRS 6.0.0
April 1, 2026

Version:6.0.0

Uploaded:April 1, 2026 at 2:25PM UTC

File size:85.31 MB

Downloads:3

IRS 5.6.10
December 19, 2025

Version:5.6.10

Uploaded:December 19, 2025 at 7:59PM UTC

File size:3.72 MB

Downloads:8

IRS 5.6.7
January 27, 2025

Version:5.6.7

Uploaded:January 27, 2025 at 6:49PM UTC

File size:4.05 MB

Downloads:27

IRS 5.6.6
December 9, 2024

Version:5.6.6

Uploaded:December 9, 2024 at 2:41PM UTC

File size:4.05 MB

Downloads:5

IRS 5.6.5
August 28, 2024

Version:5.6.5

Uploaded:August 28, 2024 at 2:59PM UTC

File size:4.03 MB

Downloads:8

IRS 5.6.4
June 17, 2024

Version:5.6.4

Uploaded:June 17, 2024 at 2:24PM UTC

File size:4.03 MB

Downloads:12

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