ONKO vs Shrink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ONKO
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ONKO je besplatna aplikacija za mobilne telefone sa informacijama o raku, lečenju raka i podršci. Ova aplikacija Instituta za onkologiju i radiologiju Srbije namenjena je onkološkim pacijentima, članovima njihovih porodica, stanovništvu, zdravstvenim radnicima, medijima, i svima drugima kojima su potrebne lako razumljive, praktične i naučno zasnovane informacije. Sadrži preko 30 tekstova / brošura iz svih oblasti onkologije i prevencije, kao i oko 80 uputstava za oralne onkološke lekove. Tekstove pripremaju stručnjaci Instituta i drugih ustanova a aplikacija je kreirana pod pokroviteljstvom Ministarstva zdravlja Republike Srbije.
Shrink
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Have better relationships. Say what you need. Listen to another point of view. Set a boundary with care. Better relationships grow through the conversations we have every day. Talk things through with Shrink’s AI to explore your feelings, notice recurring patterns and prepare for conversations with a partner, family, friends or colleagues. SEE ANOTHER PERSPECTIVE The same moment can mean different things to different people. Explore possible interpretations, notice your own needs and consider what you want to say or do next. TALK ABOUT WHAT MATTERS A conversation you keep replaying. The guilt of saying no. A message you do not know how to write. Start with what is on your mind, without needing the perfect words. GO DEEPER INTO YOUR CONVERSATION Explore the question and answer that matter to you in the context of your conversation. Consider different perspectives on emotions, boundaries and communication. Return to saved analyses when you want to reflect again. SAY IT OUT LOUD Talk to Shrink's AI using live voice when speaking feels easier than typing. Voice availability and minute allowances are shown in the app. FIND WORDS FOR DIFFICULT MESSAGES Share the situation and what you want to say. The message advisor helps you shape a clear, considerate draft and adjust its tone before making it your own. KEEP A MOOD JOURNAL Check in with your feelings, add a note about your day, and return to your journal and insights to explore patterns over time. CHOOSE WHAT SHRINK REMEMBERS Optional memory connects useful context across conversations. Review, edit or delete what is remembered and manage your consent in the app. Your conversations are not used to train general AI models. Biometric app lock is available on supported devices. IN YOUR LANGUAGE Use Shrink in English, Croatian, Serbian, Slovenian, Argentine Spanish, German, Italian, French, Norwegian Bokmål, Danish or Swedish. FIRST CONVERSATION AND SUBSCRIPTION New users can try one text conversation, with up to 10 replies within 24 hours of the first message. Further chat requires a subscription; previously purchased chat credits remain available. Eligible users can start a 7-day free subscription trial by confirming in the App Store. After the trial, the selected plan is charged unless canceled. The exact price, billing period and terms are shown before purchase. Subscriptions renew automatically; manage or cancel them in your App Store account settings. Extra Live minutes are a one-time purchase, not a subscription, and do not unlock or extend chat access. Unused purchased minutes do not expire. ABOUT SHRINK Shrink is an AI educational tool for adults aged 18 and over, designed for learning, self-reflection and general wellbeing. It does not provide medical advice, diagnosis, treatment or therapy, and is not a substitute for professional care. Consult a qualified healthcare professional before making medical decisions. AI can make mistakes. Shrink does not provide emergency services; in an emergency, contact local emergency services. Support: https://shrinkgodeeper.com/support Privacy Policy: https://shrinkgodeeper.com/privacy Terms of Use: https://shrinkgodeeper.com/terms Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: ONKO at none against Shrink's 7. ONKO also leads on iOS requirement (14.2 vs 16.0). Shrink's advantage is update cadence (weekly vs every 17 months). 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. Shrink sells 7 in-app purchases, starting at $14.99 per month. ONKO asks for nothing beyond the download.
ONKO ships an update every 17 months, Shrink weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | ONKO | Shrink |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 17 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.2 — better | 16.0 |
| Further details — not scored | ||
| Size | 155 MB | 67 MB |
| Age rating | 17+ | 17+ |
| Developer | Institut Za Onkologiju i Radiologiju Srbije | Smart Way Games |
In-app purchases
ONKO
No in-app purchases
Shrink
- Shrink Insight – Monthly7 Days trial$14.991 Month
- Shrink Growth – Monthly7 Days trial$29.991 Month
- Shrink Insight – Yearly7 Days trial$99.991 Year
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- Shrink Growth – Yearly7 Days trial$199.991 Year
- Voice Top-up$3.99
- Small top-up$8.99
- Large top-up$14.99









