Numeral Sales Tax vs Sidr ‑ Sales Tax Automation
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Numeral Sales Tax, Oct 28, 2026 for Sidr.
The short answer
- On the Shopify App Store: Numeral Sales Tax 4.5 from 140 reviews and Sidr 5.0 from 72 reviews.
- Sidr lists 16 features Numeral Sales Tax’s listing doesn’t mention, including Data export, Historical data import, Multi-channel.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free to install
- · Get a nexus study
Free
- · Address validation
- · Comprehensive risk assessment
- · Detailed reporting & analytics
- · Easy CSV transaction imports
- · Historical liabilities analysis
- · Live chat support
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThe sales tax solution built for ecommerce. Over 3,500 brands, including Grüns, Ridge, Graza, and Fishwife, trust Numeral for end-to-end sales tax compliance. Numeral handles all aspects of sales tax, from nexus monitoring, registrations, filings, and resale certificates, to sales tax mail management. Connect all your sales channels for complete coverage.
Proudly built in the USA. Sidr Tax offers a quick and effortless solution for creating US sales tax reports and automatically filing them to state websites. Our product takes care of your Sales Tax compliance from start to finish. Our services include nexus tracking, registration, reporting, and filing automation. Reports are generated based on the actual tax you collected.
- File: Numeral automates monthly, quarterly, and annual remittances for you.
- Register: Numeral registers your business in all states it has nexus.
- Monitor: Numeral provides 24/7 sales monitoring.
- Autofile: Fully automate your sales tax filing and always stay on schedule.
- Economic Nexus Dashboard: Know exactly when you need to start collecting taxes.
- Accurate Tax Reports: Sales tax calculations always up to date and export ready.
- Registration: Obtain sales tax permit for you at the right time.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Numeral Sales Tax |  Sidr |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Numeral Sales Tax | Sidr |
|---|---|---|
| App Store rating | 4.5 ★ | 5.0 ★(ahead) |
| App Store reviews | 140(ahead) | 72 |
| New reviews, 28 days | Not enough data | 1 |
| Reviewers a year or more in | 45% | Not enough data |
Pricing
| Measure | Numeral Sales Tax | Sidr |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | 1 |
Listing
| Measure | Numeral Sales Tax | Sidr |
|---|---|---|
| Shopify category rank | #210 | #17(ahead) |
| Shopify App Charts | Not on this week’s charts | #2 on Pricing moves in Taxes |
| Built for Shopify | No | No |
| Launched | Oct 23, 2024 | Jul 20, 2022 |
| Languages | 1 | 1 |
| Developer | Numeral | Sidr |
FAQ
Numeral Sales Tax and Sidr: common questions
- Which has better reviews, Numeral Sales Tax or Sidr?
- On the Shopify App Store: Numeral Sales Tax 4.5 from 140 reviews and Sidr 5.0 from 72 reviews.
- What features does each app list that the other doesn’t?
- Numeral Sales Tax lists 2 the others don’t mention, such as Exemption managment, Threshold tracking. Sidr lists 16 the others don’t mention, such as Data export, Historical data import, Multi-channel, Multi-currency. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 14, 2026 for Numeral Sales Tax, Oct 28, 2026 for Sidr; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 14, 2026 for Numeral Sales Tax, Oct 28, 2026 for Sidr. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.