Flex Metronome vs FirstBrain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flex Metronome
Create complex rhythm patterns like polyrhythms, swing, and ethnic grooves with this intuitive metronome app. Save your custom creations and utilize a library of editable presets for your musical needs.
- Create polyrhythms
- Implement swing rhythms
- Design ethnic grooves
- Support odd time signatures
- Save custom patterns
- Edit preset rhythms
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Flex Metronome is a flexible and easy-to-use app that lets you create a wide variety of rhythm patterns—such as polyrhythms, swing, ethnic grooves, and odd time signatures—with ease. You can save your custom patterns, and the app also includes a rich collection of editable preset rhythms.lex Metronome is a flexible and easy to use metronome app which enables you to make various kinds of rhythm patterns such as polyrhythm, swing, ethnic rhythm, unusual time signature, etc. very easily. You can save the rhythm pattern you created, and there are lots of preset rhythm patterns which you can edit and save. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
FirstBrain
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FirstBrain helps parents unlock their child’s potential in just 10–15 minutes a day. Backed by science, FirstBrain offers short, structured activities designed for children aged 1–8. Parents guide the sessions while children stay completely screen-free, using simple everyday objects like blocks, cups, and cards. This app requires an active FirstBrain Pro subscription to use. No free content. What makes FirstBrain different? • Evidence-based framework: Activities target 5 key areas of intelligence — Language, Attention, Memory, Inhibition, and Reasoning. • Daily routine made easy: 2–5 quick activities, each lasting 2–3 minutes, fit seamlessly into your family’s day. • Screen-free for children: Kids interact with the real world, while parents use the app for prompts, timers, and tracking. • Personalized progression: Difficulty adapts to your child’s pace. Pass an activity to level up, retry if needed. • Positive endings: Sessions follow a “quit on a win” approach to keep motivation high. Why it matters: Early, consistent practice strengthens core cognitive skills — focus, problem-solving, and self-control — that ripple out into lifelong learning advantages. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.firstbrain.me/privacy
Screenshots
Verdict
The clearest difference is update cadence: FirstBrain at fortnightly against Flex Metronome's every 3 months. Flex Metronome's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 18.2). On price, ads and in-app purchases 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. Flex Metronome sells 2 in-app purchases, starting at $0.99 per month and FirstBrain sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.
Flex Metronome ships an update every 3 months, FirstBrain fortnightly. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.
| Parameter | Flex Metronome | FirstBrain |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 5 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | YASUHIRO SEKINE | Romain,Raphael BATLLE |
In-app purchases
Flex Metronome
- Premium Monthly$0.991 Month
- Premium Yearly$9.991 Year
FirstBrain
- Monthly Plan$8.991 Month
- Yearly Plan3 Days trial$34.991 Year
Questions
Is Flex Metronome free?
Is FirstBrain free?
Do Flex Metronome or FirstBrain have ads?
Which is updated more often, Flex Metronome or FirstBrain?
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