Comparison

Fellow vs Ask Sis

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fellow

This AI companion offers natural, real-time voice conversations that remember your preferences. Switch between voice and text modes, and enjoy a privacy-focused experience where your audio stays on your device.

Highlights
  • Hands-free voice interaction
  • Natural, real-time replies
  • Interruptible conversations
  • Personalized memory recall
  • Voice and text modes
  • Privacy-focused audio processing
Read full description

Meet Fellow — the guide you can talk to or text anytime. Fellow is designed to feel less like an assistant and more like a supportive friend who gets to know you. Chat about your day, think something through, share what’s on your mind, or simply enjoy a little company. 1. Find the Fellow who fits you Begin at the Fellow House, where six colorful characters are waiting to meet you. Answer a few questions, explore the different floors, and choose the personality that feels right. Then give your Fellow a name and make them your own. 2. A conversation that flows Start a hands-free voice call and speak naturally — no button to hold and no rigid commands. Pause to think, change your mind, or jump in while Fellow is speaking. Your Fellow listens, responds in a warm voice, and reacts as the conversation unfolds. 3. A friend who remembers The more you chat, the better Fellow gets to know you. Share your interests, the people in your life, or what you’ve been going through, and Fellow can remember the things that matter so your conversations feel connected over time. You can view and delete saved memories whenever you want. 4. Chat is always there Message Fellow whenever you feel like talking. When you want a more natural, hands-free conversation, switch to Talk. Your text and voice conversations stay together, so you can move between them without losing the thread. 5. A character that feels alive Your Fellow is a colorful, expressive cartoon companion with their own look, personality, and voice. Watch them listen, think, gesture, and speak as you spend time together. 6. Built with privacy in mind Voice recognition and spoken replies happen on your device, so your raw voice audio is not uploaded for processing. Messages and voice transcripts are securely processed to generate replies and memories. You can begin without creating an account, and you can clear your memories or delete your data at any time. Why you’ll love Fellow: • Choose and name your own companion • Unlimited text conversations • Natural, hands-free voice calls • Interrupt and respond like a real conversation • A friend who remembers what matters to you • Expressive characters with distinct personalities and voices • On-device voice recognition and speech • Optional sign-in to keep your conversations with you Whether you want to think out loud, unwind after a long day, practice a difficult conversation, celebrate something good, or simply have someone to talk to, your Fellow is here. Come inside, meet the residents, and find your Fellow. Fellow is a guide and speaks with an AI-generated voice. It is not a human and is not a substitute for professional medical, legal, financial, or mental-health advice. If you need help, please contact a qualified professional. Privacy policy: https://trynimbo.com/privacy Terms of use: https://trynimbo.com/terms

About

Ask Sis

Features
Read full description

Sometimes you don’t need another opinion. You need your big sis. Ask Sis is your warm, judgment-free space for the questions you’re overthinking, the texts you’ve reread 12 times, and the situations you just need another perspective on. Talk to Sis about dating, relationships, friendships, family, motherhood, work, confidence, boundaries, self-worth, or whatever life is throwing at you. Type your question or say it out loud, choose the vibe you need, and get a thoughtful response in seconds. Whether you need a little reassurance, a different perspective, or somebody to keep it real with you, Sis is here. WITH ASK SIS, YOU CAN: • Ask questions by text or voice • Choose the response vibe that fits the moment • Get personalized, AI-powered guidance • Save advice you want to come back to • Keep your conversations connected to your account • Access Premium features with an optional paid subscription; price and any eligible introductory offer are shown before purchase A LITTLE BIG SIS DISCLAIMER Ask Sis is designed for reflection, encouragement, and everyday clarity. It is not therapy, crisis support, or a substitute for licensed medical, legal, financial, or mental-health professionals. Ask Sis is intended for adults 18 and older. Privacy Policy: https://ask-sis.com/privacy Terms of Use: https://ask-sis.com/terms

Screenshots

Fellow4 screens
Ask Sis4 screens

Verdict

The call

The clearest difference is ads: Ask Sis at none against Fellow's shown. Ask Sis also leads on iOS requirement (15.0 vs 26.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fellow sells 2 in-app purchases, starting at $14.99 per month and Ask Sis sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
Fellow versus Ask Sis: the parameters behind the verdict, then further details
ParameterFellowAsk Sis
PriceFreeFree
Rating4.6 (215 ratings) — better—
Positive reviews69.2% of reviews—
Number of ratings215 — better—
Update frequencyEvery 5 days—
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS26.015.0 — better
Further details — not scored
Size445 MB17 MB
Age rating12+17+
DeveloperLahta LLCJANAE CHRISTINE ALLENJONES

In-app purchases

2 purchases

Fellow

Subscriptions2
  • Monthly Subscription$14.991 Month
  • Yearly Subscription$39.991 Year
1 purchases

Ask Sis

Subscriptions1
  • Ask Sis Premium7 Days trial$3.991 Month

Questions

Is Fellow free?
Fellow is free to download, with in-app purchases available.
Is Ask Sis free?
Ask Sis is free to download, with in-app purchases available.
Do Fellow or Ask Sis have ads?
Fellow shows ads; Ask Sis does not.

Other comparisons