grug vs Riverkin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
grug
Receive a daily dose of simple, profound wisdom to help you navigate life's challenges. This app offers straightforward truths and accompanying artwork to inspire personal growth and contentment. It focuses on mindfulness and taking small steps each day.
- Daily wisdom sharing
- Accompanying artwork
- Home screen widget
- Customizable themes
- Light and dark modes
- No login or tracking
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grug know: big scary just many small rock wearing fur coat. every sunrise grug share one wisdom. help you break today rock into small piece. no fancy word. no complicated. just simple truth that work. **what grug do:** - share daily wisdom when sun rise - draw grug dream on wisdom - share with other grug - widget show wisdom on cave - grug work in light and dark cave or give grug shiny color grug not guru. grug just know: small step every day make mountain move. perfect never come. better start with broken stick today than wait for perfect stick tomorrow. wisdom come from real life. fear work love pain growth. grug speak simple but truth hit deep. like "fear just smoke. real but not solid.” and "wanting make poor. grateful make rich." each day different wisdom. truth waiting. grug help see: you already enough. just need pick up one small rock today. app simple like grug brain. open. read wisdom. maybe draw feeling. that all. no login. no cloud. no follow. just you and today truth. remember. tomorrow not here. only today real. grug help make today count. Terms of Service: https://ocho.so/terms Privacy Policy: https://ocho.so/privacy
Riverkin
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Riverkin draws your family as a river. Everyone stands at the year they were born and every line runs from parents to children, so a whole family reads in one look: who came when, who overlapped, who is still here. Someone in your family has usually done the typing already. Riverkin keeps a family in a single file. Send it by AirDrop, mail or message, or hold your screen up to the phone across the table and let it read the codes. Opening a file adds the people you were missing and fills in the dates you did not have — and where two copies disagree, it asks you rather than quietly overwriting anything. EVERYONE AT THEIR YEAR Drag along the years and the river shows who was alive in that one. Turn the phone sideways for the whole family on a single screen. Each branch of the family has its own colour, and a person's page is tinted with the colour of their own line. HOW YOU ARE RELATED Say who you are, and every person carries their tie to you: your first cousin two generations younger, your half-sister, your stepfather, your partner's aunt. None of it is stored. Every tie is walked from the parents each time it is shown, so it stays right the moment you correct something. BIRTHDAYS Today tells you whose birthday it is and what is coming in the next fortnight, with ages worked out for you. Reminders arrive on the morning itself. MORE THAN ONE FAMILY Keep your mother's side and your father's side as separate families and switch between them. Step-parents and the families they bring with them have a place too. EVERYBODY, FOUND Search a name, a town, an e-mail address or a year. Call, message, mail or find your way to anyone whose details you have written down. YOURS ALONE Riverkin runs entirely on your phone. There is no account to make, no sign-in, nothing uploaded and no server anywhere — it does not use the internet at all. Lock it behind Face ID, Touch ID or your passcode, and it covers itself when you swap apps. IN ENGLISH AND IN DUTCH Every screen, every date and every word for a relative, including the ones English runs together and Dutch keeps apart. On iPhone and on iPad.
Screenshots
Verdict
The clearest difference is update cadence: grug at weekly against Riverkin's every 3 weeks. Riverkin's advantage is iOS requirement (16.0 vs 18.0). 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.
grug ships an update weekly, Riverkin every 3 weeks. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.
| Parameter | grug | Riverkin |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (3.4K ratings) — better | — |
| Positive reviews | 96.3% of reviews | — |
| Number of ratings | 3.4K — better | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Ocho | Ram Steenhaut |
In-app purchases
grug
No in-app purchases
Riverkin
No in-app purchases









