Rainbow Counter vs ScriptMind
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rainbow Counter
This utility app allows users to track multiple items with customizable counters. It offers features like splitting counters, countdown functionality, and adjustable increment values. The app supports landscape mode for ease of use.
- Split up to 4 counters
- Countdown functionality
- Change increment value
- Change start value
- Landscape mode support
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Use this beautiful counter to count anything you like! You can: ・split up to 4 counters ・count down when tapped on bottom half of the screeen(you can turn it off if you want) ・change increment ・change start value ・use it in landscape mode
ScriptMind
This AI-powered math assistant recognizes handwritten equations and provides step-by-step solutions. It can also check your work by analyzing photos of your completed problems, highlighting errors and saving them for review.
- Natural handwriting input for equations
- Photo work checking for solutions
- Step-by-step problem solving
- Local history of mistakes for review
- Broad math coverage including calculus
- English and Chinese language support
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ScriptMind is an AI math assistant built for natural handwriting. Write equations, systems, derivatives, integrals, or calculus problems with your finger or stylus just like you would on paper. ScriptMind recognizes your handwriting and provides clear step-by-step solutions with the final answer. It also supports photo work checking. Take a photo of your completed solution, and AI will review both the steps and the final answer, mark the result as correct, partially correct, or incorrect, and explain what went wrong. Incorrect and partially correct reports are saved locally so you can review the most useful mistakes later. 【Key Features】 Natural Handwriting Input Skip complicated math keyboards. Write formulas naturally, including multi-line expressions, fractions, roots, equation systems, derivatives, integrals, and common calculus problems. Photo Work Checking Check a full written solution, not just the final answer. ScriptMind helps identify missed roots, substitution mistakes, calculation errors, and reasoning gaps. Step-by-Step Solving See the reasoning from problem to answer, with clear intermediate steps that help you understand the method. Local History & Mistake Review Solved problems are saved automatically. Incorrect and partially correct grading reports are saved to local history, where you can filter, review, revisit, or delete them. Your history stays on your device. Broad Math Coverage Works with regular equations, systems of equations, algebra, derivatives, integrals, and common calculus tasks. English & Chinese Support Fully localized for English and Simplified Chinese. 【Perfect For】 Students: Get unstuck with clear steps. Review sessions: Focus on incorrect and partially correct records that are most worth revisiting. Parents: Check math homework steps and answers quickly. Exam prep: Use detailed explanations to find gaps and understand methods. 【Subscription Information】 ScriptMind Pro is available through auto-renewing subscriptions and unlocks more advanced cloud recognition, solving, and checking features. Exact pricing, subscription period, trial eligibility, and local currency are shown on the App Store purchase confirmation screen and may vary by region or promotion. Payment will be charged to your Apple account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple ID subscription settings. Privacy Policy: https://scriptmind.ship-kit.app/privacy-policy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Rainbow Counter at Free against ScriptMind's $0.99. Rainbow Counter also leads on iOS requirement (13.0 vs 15.5). ScriptMind's advantage is ads (none vs shown) and update cadence (every 3 months vs every 43 months). On rating, ratings volume, in-app purchases and monetization model 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
Rainbow Counter is free to download; ScriptMind costs $0.99 up front. Rainbow Counter sells 1 one-off in-app purchase and ScriptMind sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Rainbow Counter against 5.0 for ScriptMind. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Rainbow Counter ships an update every 43 months, ScriptMind every 3 months. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.
| Parameter | Rainbow Counter | ScriptMind |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 43 months | Every 3 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 5 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Goro Sato | 钰锋 雷 |
Customer experience
Rainbow Counter
ScriptMind
In-app purchases
Rainbow Counter
- Remove Ads$0.99
ScriptMind
- ScriptMind Pro Monthly7 Days trial$0.991 Month
- ScriptMind Pro Yearly7 Days trial$9.991 Year









