IIASA Connect vs chilli
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IIASA Connect
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IIASA Connect: bringing together the global systems analysis community since 2020. Are you a member of the International Institute for Applied Systems Analysis (IIASA) network? Join our exclusive virtual community today and: Engage with our global systems analysis network. Connect with our global national member communities and their research and policy experts. Consult and share professional opportunities and open calls. Develop or join groups relevant to you to promote your research, science, and share information. Build and coordinate your events, workshops, and activities and bring them together on one platform. Co-create and build communities of practice - bringing collaborators into targeted groups to exchange information, develop projects and plans into a shared, closed space.
chilli
This app empowers users to take collective climate action by signing petitions, sending personalized emails to decision-makers, and submitting public comments. It connects creators and communities to organize movements and directly fund activists working on climate change issues.
- Sign petitions
- Send personalized emails to decision-makers
- Submit coordinated public comments
- Launch and join climate campaigns
- Directly fund activists
- Organize collective action
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On chilli, you can take action for causes you care about by following impact creators, joining live campaigns, and funding their work. All from your phone, in minutes. Your social media feed is full of things worth caring about with no clear routes to take action. chilli is different, we give you simple easy actions to take about issues you care about. Discover actions and campaigns from creators fighting for climate, democracy, social justice, wildlife, oceans, local communities, and more. Each campaign is designed by impact creators with the chilli team and gives you clear ways to help. You can send an email, sign a petition, leave a public comment, make a call or fund the work directly. With chilli, you can: - Follow creators working on causes that matter to you - Join live campaigns and take action in minutes - Send emails, make calls, leave comments, and support coordinated pressure - Fund creators with one-off or monthly contributions - Track the impact your community is making beyond likes and shares - Build an action streak that actually means something Creators use chilli to turn attention into action, and supporters use chilli to show up when it counts. More than 1 million actions have already been completed through chilli by people like you pushing for change across the world. From climate and ocean protection to democracy, wildlife, and local wins, chilli makes it easier to act together. And it works! Communities on chilli have helped drive real wins across data centres, whaling, women’s rights and more. This is how we win, action by action, together. There are campaigns live right now that could use your help. Download chilli today and take action on what matters.
Screenshots
Verdict
IIASA Connect and chilli are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 30, 2026 and November 7, 2026 respectively.
| Parameter | IIASA Connect | chilli |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (630 ratings) — better |
| Positive reviews | — | 82.3% of reviews |
| Number of ratings | — | 630 — better |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 121 MB | 73 MB |
| Age rating | 17+ | 4+ |
| Developer | IIASA | REGROOP |
Bugs and requests
IIASA Connect
Not enough reviews yet to summarise bugs or requests.
chilli
Reported bugs
4 issues- Login and onboarding issues
- Streak counter resets
- Unresponsive contact features
- Compatibility problems with newer OS versions
Requested features
4 requests- More customization options
- Improved community features
- Better integration with other platforms
- Expanded local action opportunities
In-app purchases
IIASA Connect
No in-app purchases
chilli
No in-app purchases









