Twi vs Brain Flipper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Twi
This app helps you manage your time spent on social media platforms like Twitter and Facebook. It allows you to set daily limits and timers for browsing sessions, preventing excessive use and promoting a healthier balance between online and offline activities.
- Set daily social media limits
- Schedule browsing timers
- Supports Twitter and Facebook
- Automatic session shutdown
- Prevents internet addiction
- Promotes healthy digital habits
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■Timer + ■Twitter + ■Counter → Save your time. This app is a "Time Saver for the Twitter use” ■ You won't waste your time on the SNSs, saving you from SNS Addiction! ① As you plan beforehand, you'll quit the SNS as scheduled. ② The ONE-DAY-LIMIT for the SNS use, you can regulate the SNS browsing. By ① and ②, you won't waste your time anymore. ◯ You can select Facebook as well as Twitter. ■ How to use ■ 1. Set the one-day-limit counter once in a day. 2. Set the timer for the browsing. 2. Select Twitter or Facebook. 3. Tap the start button to enjoy the SNS. When the timer is over, the view automatically shut down and you can naturally quit the SNS. ■ Purpose■ @ Save your time @ Prevent you from Internet addiction. @ Get your healthy rhythm between SNSs and real activities. [Please Note!] This app supports for English and Japanese language environment. Please use on English or Japanese language environment. (The counter for one-day-limit doesn't work on other language preferences.)
Brain Flipper
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Brain Flipper は、英語を「学ぶ」アプリではありません。 日本語から英語へ変換するときの思考構造そのものを、反射レベルで行うトレーニングアプリです。 文章の意味ではなく、語順と構造に集中。 間違えた構造だけを自動で集め、弱点として繰り返し鍛えます。 説明は最小限。テンポは止めない。 英語を考える前に、英語の形が先に出てくる感覚を育てます。
Screenshots
Verdict
The clearest difference is update cadence: Brain Flipper at every 3 days against Twi's every 2 weeks. Twi's advantage is iOS requirement (9.2 vs 15.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Twi ships an update every 2 weeks, Brain Flipper every 3 days. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.
| Parameter | Twi | Brain Flipper |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.2 — better | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Masao Yamashita | Satoshi Ishiwata |
In-app purchases
Twi
No in-app purchases
Brain Flipper
No in-app purchases
