Comparison

RotX vs Ohmie

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RotX

This app offers a daily writing practice designed to enhance clarity of thought and deep thinking in the age of AI. It provides prompts, a distraction-free editor, and AI analysis to help users strengthen their cognitive abilities. The focus is on private reflection and building a sharper mind over time.

Highlights
  • Daily writing prompts
  • Distraction-free editor
  • AI analysis of responses
  • Progress tracking
  • Revisit past entries
  • Minimalist interface
Read full description

RotX is a premium daily writing practice for people who want to think more clearly in the age of AI. If you have started to feel less able to sit with your own thoughts, write clearly, or think deeply without assistance, RotX is designed to help you push back. Each day, you get one thoughtful prompt. You write one response in one sitting. Then RotX gives you an AI analysis to help you sharpen your thinking. The goal is simple: use AI to strengthen your mind, not replace it. Think of RotX as a gym for your thinking. RotX is intentionally minimalist. There is no feed, no posting, no social pressure, and no endless gamification. Just a private daily practice designed to help you reflect honestly, think more deeply, and build a sharper mind over time. With RotX, you can write from a new daily prompt, choose alternative prompts if you want a different angle, use a focused distraction-free editor, lock in your response when you are done, revisit past entries, and track how your thinking evolves over time. RotX Pro includes AI analyses, full score breakdowns across Clarity, Logic, Originality, and Depth, strengths and improvement areas for every entry, summaries and key takeaways, and long-term progress tracking. RotX is for people who want to stay sharp in the age of AI. Think for yourself. Then think better. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Ohmie

Learn electronics through engaging, game-like lessons and interactive circuit simulations. Master concepts from basic circuits to embedded systems and robotics with bite-sized daily practice. Progress is tracked on your device with no ads or accounts required.

Highlights
  • Live circuit simulations
  • Build schematics with real components
  • Interactive problem-solving lessons
  • Covers circuits, op-amps, embedded systems, and robotics
  • Gamified learning with XP and streaks
  • Progress saved locally, no account needed
  • Ad-free and tracking-free experience
Features
Read full description

Pass circuits. 3 minutes a day. Ohmie teaches electronics the way you'd learn a language: short, game-like lessons you actually solve, not paragraphs you skim. Lessons are read aloud, so your eyes stay on the circuit. Everything below is part of Ohmie Pro, an auto-renewing subscription. Details are in OHMIE PRO SUBSCRIPTION at the end. REAL PRACTICE • Live circuit sims: stack battery cells, dim an LED, watch current respond to resistance • Build schematics by dragging real components into place • Decode resistor color bands, spot the broken circuit, order the steps • Miss a question? It comes back in Practice until it sticks. That's the method, not a penalty. LEARN THE FULL PATH • Electronics: charge, current, voltage, Ohm's law, series and parallel, capacitors, power, analog, then transistors, logic gates and an 8-bit computer you can run, pause and step through • Embedded systems: GPIO, timers, PWM, ADC, interrupts, serial protocols, build a device • Robotics: sensors, motors, PID control, build a line-following racer • PCB design: schematics, layout, routing, production • Programming: Python, and C++ for Arduino EXPLORE OHMIE WORLD Walk into Copper Town, take on the trainers in the forest, wire the town's circuit on a breadboard, and face other learners in the Arena. MOMENTUM THAT FORGIVES XP, streaks, daily quests, 30 badges to earn, skins to unlock, leaderboards, and a mascot named Ohmie who reacts to every answer and is on your side. Streaks are forgiving. Life happens. Stuck? Ask Ohmie and get a hint in plain words. No ads. Learn in English, Spanish or German. Sign in to keep your progress across devices. OHMIE PRO SUBSCRIPTION Ohmie is free to download. The lessons, practice, circuit sims, Ohmie World, Ask Ohmie and everything else described above require an Ohmie Pro subscription, billed monthly or yearly. The yearly plan starts with a free trial for eligible new subscribers. Prices are shown in the app before you buy. Payment is charged to your Apple Account. The subscription renews automatically unless you cancel at least 24 hours before the end of the current period. Manage or cancel it any time in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ohmie.io/privacy

Screenshots

RotX4 screens
Ohmie4 screens

Verdict

The call

The clearest difference is review sentiment: RotX at 100% against Ohmie's 56%. RotX also leads on rating (5.0 vs 4.5) and ads (none vs shown). Ohmie's advantage is ratings volume (309 vs 3) and update cadence (every 3 days vs every 8 days). On price, in-app purchases, monetization model and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RotX sells 2 in-app purchases, starting at $1.99 per month and Ohmie sells 5 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

RotX holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Ohmie has 309 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of RotX's written reviews are positive against 56% of Ohmie's.

UpkeepUpdate frequency

RotX ships an update every 8 days, Ohmie every 3 days. The most recent releases landed on October 17, 2026 and October 28, 2026 respectively.

Scorecard6 real differences · 4 level
RotX versus Ohmie: the parameters behind the verdict, then further details
ParameterRotXOhmie
PriceFreeFree
Rating5.0 (3 ratings) — better4.5 (309 ratings)
Positive reviews100.0% of reviews — better56.4% of reviews
Number of ratings3309 — better
Update frequencyEvery 8 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better26.2
Further details — not scored
Size13 MB752 MB
Age rating9+4+
DeveloperNewron Robotics, LLCOHMIE LLC

Customer experience

RotX

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Ohmie

All ratings291 ratings
Positive85.9%
Neutral3.8%
Negative10.3%
Written reviews55 reviews
Positive56.4%
Neutral12.7%
Negative30.9%

In-app purchases

2 purchases

RotX

Subscriptions2
  • RotX Pro Monthly$1.991 Month
  • RotX Pro Annual$9.991 Year
5 purchases

Ohmie

Subscriptions5
  • Ohmie Pro$7.991 Month
  • Ohmie Pro Yearly Saver$19.991 Year
  • Ohmie Pro Annual$29.991 Year
Show 2 more
  • Ohmie Pro7 Days trial$29.991 Year
  • Ohmie Pro7 Days trial$49.991 Year

Questions

Is RotX free?
RotX is free to download, with in-app purchases available.
Is Ohmie free?
Ohmie is free to download, with in-app purchases available.
Which has better reviews, RotX or Ohmie?
RotX is rated higher. RotX averages 5.0 out of 5 from 3 ratings, while Ohmie averages 4.5 from 309 ratings.
Do RotX or Ohmie have ads?
Ohmie shows ads; RotX does not.
Which is updated more often, RotX or Ohmie?
RotX ships an update every 8 days, and Ohmie every 3 days. Most recently, RotX was updated on October 17, 2026 and Ohmie on October 28, 2026.

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