Jade Arithmetic vs Rounding Unlocked
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jade Arithmetic
Practice and improve fundamental arithmetic skills like multiplication, division, addition, and subtraction. Designed for children, this app offers an ad-free learning experience. New features are planned based on user feedback.
- Multiplication practice
- Division practice
- Addition practice
- Subtraction practice
- Ad-free experience
- Designed for children
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Jade Arithmetic will let you practice and improve your arithmetic skills -- multiplication, division, addition, and subtraction. We designed and built it for our kids, and hope that many others will use it. It is ad-free, and will remain so. We are just getting started, and have many new features planned. Please let us know what would be useful to your family, school, or homeschool group. Have a splendiferous day!
Rounding Unlocked
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Rounding Unlocked teaches kids how to round numbers the right way — through understanding, not just memorization. Built by a real educator with 20+ years of experience teaching in Philadelphia classrooms, this app takes children through 6 carefully sequenced worlds that build rounding fluency from the ground up. What your child will learn: World 1: What is Rounding? — number lines and the mountain rule World 2: Rounding to the Nearest 10 — two-digit numbers World 3: Rounding to the Nearest 100 — three-digit numbers World 4: Rounding to the Nearest 1,000 — four-digit numbers World 5: Rounding Decimals — to the nearest whole number World 6: Estimating with Rounding — real-world problem solving Features: Interactive tips that teach the concept before practice begins Visual number lines, mountain diagrams, and place value spotlights 10-question practice and quiz for every world Rounding Master Challenge — 40 questions across all 6 worlds Audio narration for every tip — perfect for struggling readers Worlds 1 and 2 are completely free Rounding is one of the most important foundational math skills. Unlock it today.
Screenshots
Verdict
The clearest difference is in-app purchases: Jade Arithmetic at none against Rounding Unlocked's 1. Rounding Unlocked's advantage is update cadence (every 3 weeks vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Rounding Unlocked sells 1 one-off in-app purchase. Jade Arithmetic asks for nothing beyond the download.
Jade Arithmetic ships an update every 10 months, Rounding Unlocked every 3 weeks. The most recent releases landed on September 17, 2026 and October 9, 2026 respectively.
| Parameter | Jade Arithmetic | Rounding Unlocked |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 10 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 8 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | ATPsoft, LLC | One On One Tutoring Service |
In-app purchases
Jade Arithmetic
No in-app purchases
Rounding Unlocked
- Unlock All Worlds$2.99
Questions
Is Jade Arithmetic free?
Is Rounding Unlocked free?
Do Jade Arithmetic or Rounding Unlocked have ads?
Which is updated more often, Jade Arithmetic or Rounding Unlocked?
Other comparisons
