mjn vs Tihi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
mjn
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mjn-SERAS is a earpiece with an app that assesses the risk of epilepsy seizures. mjn-SERAS is a medical device that sends a warning signal when the risk of epilepsy seizure is high (the purchase of the product requires having the earpiece). mjn-SERAS records the electrical activity of the brain in real time and stores the information on specific servers. The artificial intelligence algorithm that permanently evaluates the risk of epilepsy seizures works in real time in the MJN-SERAS application of the user's mobile phone. mjn-SERAS is a medical device from mjn-neuro. mjn-SERAS is a CE marked medical device in accordance with European Regulation 2017/745 (MDR) and Royal Decree RD. 192/2023. Contraindications: Do not use the product in case of suffering from an infection in the ear canal or in case of suffering a skin lesion in the vicinity of the product's area of influence. Clinical studies using Real World Data show an accuracy of 99%, a sensitivity of 83% and a specificity of 99%.
Tihi
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Tihi is a minimalist app for silent, instant communication when words are hard. Send pre-set signals or custom messages to your support person with a single tap—no explanations needed. Perfect for neurodivergent individuals, people experiencing anxiety or overwhelm, students needing discreet support, and their caregivers, teachers, or support partners. Choose from built-in signals like Overwhelmed, Need Break, Need Quiet, Need Help, Can't Focus, Sensory Overload, Need to Move, Need to Talk, I'm Good, or create your own custom messages. Connect two ways: Local Mode uses Bluetooth/WiFi for nearby communication (no internet required), or iMessage Mode sends signals anywhere in the world through Messages—perfect for remote support or family members in different locations. Signals arrive instantly with notifications and haptic feedback, even when the receiver's phone is locked. Review signal history to identify patterns, and rest assured all communication is private—no data collection, no accounts required. Real examples: A student silently signals their teacher for a break. A child alerts their parent they need quiet time. Someone with anxiety discreetly asks for support during a meeting. College students or adults living independently can reach their support network anywhere via iMessage. Tihi was designed with input from neurodivergent individuals to remove the barrier of finding words and provide a simple, dignified way to ask for support. Note: Tihi is a communication tool and not a substitute for professional medical or therapeutic support.
Screenshots
Verdict
The clearest difference is in-app purchases: mjn at none against Tihi's 3. mjn also leads on iOS requirement (15.6 vs 18.5). On price, ads 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. Tihi sells 3 one-off in-app purchases. mjn asks for nothing beyond the download.
| Parameter | mjn | Tihi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 18.5 |
| Further details — not scored | ||
| Size | 103 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | mjn-neuro | Fabio Huwyler |
In-app purchases
mjn
No in-app purchases
Tihi
- Coffee$1.99
- Pizza$5.99
- Celebration$9.99







