Nulo vs Call.io
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nulo
Effortlessly scan, identify, and value your sports cards. This app helps you organize your collection, track your scans, and discover estimated card prices from various marketplaces. Build and manage your digital sports card collection with ease.
- Scan sports cards with AI
- Identify card details quickly
- Check estimated card values
- Save scan history
- Organize cards into collections
- Digital collection management
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Meet Nulo - your all-in-one sports card scanner, value identifier, and collection organizer. Whether you collect baseball, football, hockey, basketball, or other sports cards, Nulo helps you identify cards, check estimated values, and keep your collection organized in one place. Just scan a card to get started. Nulo makes it easy to learn more about your cards, track what you’ve scanned, and build a digital collection you can return to anytime. SCAN SPORTS CARDS WITH EASE Identify sports cards in just a few taps. Nulo helps you quickly check card details without digging through endless listings. CHECK ESTIMATED CARD VALUES See estimated values for your cards and better understand what may be in your collection. View prices pulled from trusted marketplaces. SAVE YOUR SNAP HISTORY Every scan is saved in your Snap History, so you can revisit past cards anytime and keep track of what you’ve already scanned. ORGANIZE CARDS INTO COLLECTIONS Group your cards into collections to keep everything neat, searchable, and easy to manage. BUILT FOR SPORTS CARD COLLECTORS From old finds to new pulls, Nulo helps collectors scan, identify, value, and organize sports cards faster. With Nulo, you can: • Scan sports cards in seconds • Identify baseball, football, hockey, basketball, and more • View estimated card values • Save your Snap History • Organize cards into collections • Build a cleaner digital collection Scan. Value. Organize. Your sports card collection, all in one place. Terms of Use: https://nuloai.com/terms-of-use Privacy Policy: https://nuloai.com/privacy-policy
Call.io
This AI-powered assistant screens incoming calls, filters spam, and handles conversations on your behalf. It can take notes, provide call summaries, and even make outbound calls, saving you time and stress from unwanted interruptions.
- Smart call screening and filtering
- Spam call blocking and "Chatty Aunt" mode
- Call transcripts and voice summaries
- Personalized call rules and contact syncing
- Roaming call handling without extra fees
- Outbound call capabilities
- Dedicated global business line
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Call.io: AI Call Assistant Hand Over Your Phone Control to Your AI Assistant! Are you tired of wasting your day with unnecessary calls, unknown numbers, or persistent telemarketers? Call.io is your 24/7 active AI assistant that answers your phone on your behalf, whether you're in a meeting, driving, or abroad. Let it talk, take notes, and keep spammers busy; you just focus on your life. Key Features: - Smart Screening & Filtering: Your assistant steps in when a number not in your contacts calls. It politely greets the caller and screens for their identity and intent. You’ll know whether it’s a delivery driver or a sales rep before you even pick up. - Spam Hunter & "Chatty Aunt" Mode: Don't just block spam calls—make them regret calling! "Chatty Aunt" mode keeps scammers and telemarketers busy with endless, funny, and meaningless chatter while you enjoy the silence. - Call Transcripts and Voice Summaries: In a meeting? Read your assistant's conversation with the caller, or listen to the voicemail left, at any time. Never miss an important detail. - Personal Memory and Rules: "If my mom calls, connect immediately, if my boss calls, say I'm in a meeting." Your assistant knows you, syncs with your contacts, and acts according to rules you set. - Roaming Savings Abroad: Your assistant continues to answer calls even if your phone is in airplane mode. See who is calling and what they want instantly via the internet, without paying high roaming fees. - Real-World Tasks: Your assistant does more than just handle incoming calls; it can make outbound calls on your behalf and deliver your important announcements or messages to the relevant parties via voice. - Global Business Line & Dedicated Assistant Number: Enhance your professionalism with a global number assigned specifically to your region. Let your assistant provide information about your services, answer questions, and organize customer requests 24/7. How It Works? Our app utilizes the "Conditional Call Forwarding" infrastructure, a standard feature supported by all mobile carriers worldwide. - Download the app. - Activate your carrier-specific forwarding code with a single click. - Let your Call.io assistant step in whenever you are busy or unable to answer! Who is Call.io For? - Professionals dealing with heavy phone traffic throughout the day. - Those who want to eliminate the stress of unknown numbers and spam calls. - Travelers who want to avoid bill shock during trips abroad. - Anyone who values their personal time and privacy. Download now and upgrade your phone with AI! Subscriptions: Access features with paid plans. Payments are charged to your App Store account, prices may vary by country, and subscriptions auto-renew. Manage or cancel anytime via Apple ID > Subscriptions. Support and Information: For any questions or suggestions, you can reach us at support@call.io Help & FAQ: Visit https://callio.faq.desk360.com/ for more information about Call.io. Privacy & Terms of Service: Privacy Policy: https://call.io/privacy-policy Terms of Service: https://call.io/terms-of-service
Screenshots
Verdict
The clearest difference is rating: Call.io at 4.0 against Nulo's 3.4. Call.io also leads on review sentiment (60% vs 50%). Nulo's advantage is device support (3 vs 1). On price, ratings volume, update cadence and ads 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. Nulo sells 12 in-app purchases, starting at $3.99 per 7 days and Call.io sells 11 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Call.io holds the better App Store score, 4.0 against 3.4. Both are backed by a comparable volume of ratings — 18 and 17 respectively. Written reviews point the same way: 50% of Nulo's written reviews are positive against 60% of Call.io's.
Nulo ships an update every 3 weeks, Call.io every 2 weeks. Both last shipped on October 24, 2026.
| Parameter | Nulo | Call.io |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (18 ratings) | 4.0 (17 ratings) — better |
| Positive reviews | 50.0% of reviews | 60.0% of reviews — better |
| Number of ratings | 18 — better | 17 |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 132 MB | 94 MB |
| Age rating | 12+ | 4+ |
| Developer | 326 LAB - FZCO | GETVERIFY LDA |
Customer experience
Nulo
Call.io
In-app purchases
Nulo
- PRO Weekly$3.997 Days
- PRO Weekly3 Days trial$3.997 Days
- PRO Weekly$4.997 Days
Show 9 moreShow fewer
- PRO Weekly3 Days trial$4.997 Days
- PRO Weekly$7.997 Days
- PRO Weekly + trial3 Days trial$7.997 Days
- PRO Yearly$29.991 Year
- PRO Yearly1 Year trial$29.991 Year
- PRO Yearly2 variants$39.991 Year
- PRO Yearly1 Year trial2 variants$39.991 Year
- PRO Yearly1 Year trial$49.991 Year
- PRO Yearly$49.991 Year
Call.io
- Premium Weekly7 Days trial$7.997 Days
- Premium Monthly1 Month trial$14.991 Month
- 350K Token$2.99
- 600K Token$4.99
- 1M Token$7.99
Show 6 moreShow fewer
- 1.7M Token$12.99
- 2.8M Token$19.99
- 4.3M Token$29.99
- 6.7M Token$44.99
- 9M Token$59.99
- 13M Token$79.99









