Numero CallTime vs Slicker App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Numero CallTime
This app helps manage fundraising campaigns by providing contact information, interaction history, and communication tools. It allows users to easily call, text, or email contacts, log interactions, and track progress on tasks and lists.
- Manage fundraising campaigns
- Access real-time contact information
- Log calls, notes, and contact details
- Track progress on lists and tasks
- One-click text and email templates
- Search entire Donor CRM
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Campaign fundraising from anywhere with Numero CallTime. All the latest information for your contacts at your fingertips, built for easy team coordination no matter where they might be. Use your Numero CallTime app to: - CallTime on YOUR Time - Work through calltime lists to easily call, text, or email contacts, whether it's during scheduled calltime or that spare few minutes between meetings. Use one-click text and email templates to follow up immediately. - Always Have the Most Current Information - View interaction and contribution history for your contacts, updated in real time. - Never Forget a Detail - Automatically log calls, add notes, and edit contact information for your contacts at the time it happens. - Track Your Progress - See your progress through your lists and tasks, as you mark calls as complete. - Access All Contacts - Search for any contact in your Numero Donor CRM, regardless of whether they were assigned on a calltime list, to bring the power of your Donor CRM to your fingertips.
Slicker App
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Slicker – Learn. Certify. Earn. Turn your skills into income with Slicker, the competitive app that connects you to real-world work opportunities across sports, delivery, and more. Get Certified – Complete quick in-app certifications tailored to different services. Go Live – Unlock gigs instantly once certified. Earn More – The better you perform, the more you earn—no limits. Flexible Work – Choose when and where you want to work. Track Progress – View your earnings in real time, collect badges, and climb leaderboards. Why Slicker? Slicker is built for people who want to take control of their income. Whether you’re looking to work in sports, deliveries, or upcoming supported services, Slicker helps you: Learn new skills fast Prove your expertise with certifications Access trusted gigs and start earning right away Key Features Certification Programs: Bite-sized lessons + instant verification Gig Marketplace: Work opportunities across multiple industries Live Earnings Tracker: Know exactly what you’re making Performance Rewards: Compete, rank up, and unlock bonuses Partner Network: Work with verified businesses and organizations Who Can Join? Students Part-time workers Sports enthusiasts Delivery experts Anyone ready to learn and earn! With Slicker, your effort decides your income. The more you put in, the more you take home.
Screenshots
Verdict
The clearest difference is update cadence: Slicker App at weekly against Numero CallTime's every 4 months. 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.
Numero CallTime ships an update every 4 months, Slicker App weekly. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.
| Parameter | Numero CallTime | Slicker App |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (16 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 63 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | NUMERO, INC. | TECHIEBUTLER TECHNOLOGIES PRIVATE LIMITED |
In-app purchases
Numero CallTime
No in-app purchases
Slicker App
No in-app purchases









