Best Tax Planning Software in 2026

In short: Catalyst Tax Insights is ranked #1 of 28 as of 7 October 2026, ahead of Instead and Taxottic. The best-ranked option with a free plan is Instead. The lowest first paid tier on this page is TaxCalc at £3.50/mo.

Tax planning software can help you explore how financial decisions may affect taxes across years and changing assumptions. Compare capital gains and retirement income modeling with multi-year projection and scenario modeling to see which questions each product can address. Data import and client collaboration matter if you need to bring information into a planning process or work through it with clients. Free-plan availability and paid-from pricing provide additional cost points to weigh. Catalyst Tax Insights, Instead, and Taxottic are among the entries, alongside Optiml and Dhanlytics. Consider which listed modeling and workflow capabilities fit the planning work you need to do.

28 tax planning software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

28ranked
4free plans on this page
£3.50/molowest paid tier
7 Oct 2026last checked

Tax Planning Software, ranked on how quickly a newcomer can get going. 9 of the 25 on this page can be tried for free.

  1. 1 Catalyst Tax InsightsPaid from $4.08/mo
    • Free to practise on: yes
    • Free trial: yes
    • Well documented: yes
    • Runs where you work: not on record
    7.6easy start
  2. 2 InsteadFree plan
    • Free to practise on: yes
    • Free trial: yes
    • Well documented: yes
    • Runs where you work: not on record
    7.5easy start
  3. 3 TaxotticPaid from $4.08/mo
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: yes
    7.3easy start
  4. 4 CFS TaxToolsPaid from $19.92/mo
    • Free to practise on: not on record
    • Free trial: yes
    • Well documented: yes
    • Runs where you work: not on record
    7.1easy start
  5. 5 OptimlPaid from C$8.25/mo
    • Free to practise on: not on record
    • Free trial: yes
    • Well documented: yes
    • Runs where you work: not on record
    7.1easy start
  6. 6 DhanlyticsFree plan
    • Free to practise on: yes
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    7.0easy start
  7. 7 TaxCalcPaid from £3.50/mo
    • Free to practise on: not on record
    • Free trial: yes
    • Well documented: yes
    • Runs where you work: yes
    7.0easy start
  8. 8 HolistiplanPaid from $62.42/mo
    • Free to practise on: not on record
    • Free trial: yes
    • Well documented: yes
    • Runs where you work: not on record
    6.8easy start
  9. 9 Hazel AI Tax PlanningPaid from $160/mo
    • Free to practise on: not on record
    • Free trial: yes
    • Well documented: yes
    • Runs where you work: not on record
    6.7easy start
  10. 10 BNA Income Tax Planner
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.5easy start
  11. 11 ONESOURCE Certificate Manager
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.3easy start
  12. 12 Bloomberg Tax
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.2easy start
  13. 13 Do-ioPaid from $4.92/mo
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.2easy start
  14. 14 FP AlphaPaid from $166.25/mo
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.2easy start
  15. 15 TaxPlanIQPaid from $397/mo
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.2easy start
  16. 16 TaxStatusPaid from $75/mo
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.2easy start
  17. 17 Thomson Reuters Ready to Advise
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.1easy start
  18. 18 Tax Planner ProPaid from $49/mo
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    6.0easy start
  19. 19 CCH ProSystem fx Tax
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    5.9easy start
  20. 20 Corvee Tax Planner
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.7easy start
  21. 21 LifeYield Tax-Smart Withdrawals
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.7easy start
  22. 22 Covisum Income InSight
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: yes
    • Runs where you work: not on record
    5.6easy start
  23. 23 Practice CS
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.6easy start
  24. 24 Tallyfor TaxCalc
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.6easy start
  25. 25 TaxMoov
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.6easy start
Compare all 25 in a table
#PlatformScoreFree planFromFree planPaid fromScenario modelingMulti-year projection
1Catalyst Tax Insights7.6Free plan$4.08/moYes—Yes—
2Instead7.5Free planFreeYes———
3Taxottic7.3Free plan$4.08/moYes4.99 /mo——
4CFS TaxTools7.1No$19.92/moNo—YesYes
5Optiml7.1NoC$8.25/moYes—YesYes
6Dhanlytics7.0Free planFreeYes—YesYes
7TaxCalc7.0No£3.50/moNo———
8Holistiplan6.8No$62.42/moNo—YesYes
9Hazel AI Tax Planning6.7No$160/moNo—YesYes
10BNA Income Tax Planner6.5No—No—YesYes
11ONESOURCE Certificate Manager6.3No———Yes—
12Bloomberg Tax6.2No—————
13Do-io6.2No$4.92/moNo—No—
14FP Alpha6.2No$166.25/moNo—YesYes
15TaxPlanIQ6.2No$397/moNo397 /moYesYes
16TaxStatus6.2No$75/moNo75 /moYes—
17Thomson Reuters Ready to Advise6.1No———Yes—
18Tax Planner Pro6.0No$49/moNo—YesYes
19CCH ProSystem fx Tax5.9No———YesYes
20Corvee Tax Planner5.7No—————
21LifeYield Tax-Smart Withdrawals5.7No———Yes—
22Covisum Income InSight5.6No—No—Yes—
23Practice CS5.6No———YesYes
24Tallyfor TaxCalc5.6No—No—YesYes
25TaxMoov5.6No—Yes—Yes—

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Questions about this list

Which tax planning software is ranked first on The Geeks Club?

Catalyst Tax Insights is ranked #1 of 28 with a score of 7.6. Instead is second and Taxottic third.

How many of these have a free plan?

4 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, TaxCalc has the lowest first paid tier we found: £3.50/mo.

How is this list ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.

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