Chiron vs DevLille
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chiron
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The teacher that does less so you do more. Chiron is an AI math tutor for iPad. Write your working by hand on a whiteboard. When you need help, Chiron gives you the smallest nudge: a hint or question written directly on the board, leaving you to work out the next step. KEEP THINKING • Get a nudge when you're stuck, with questions that help you decide what to try next • Try an idea, explain your reasoning and make connections yourself • Ask a question out loud and talk through your thinking Learning math takes effort. Chiron is designed to help you stay with a difficult problem and make progress through your own reasoning. BRING YOUR OWN MATH • Photograph a question and start working • Upload your notes or a problem sheet • Work on the math you're already studying, from algebra and trigonometry to calculus and linear algebra Best with an Apple Pencil. Chiron. Keep thinking.
DevLille
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DevLille, c'est LA conférence tech du Nord — et cette app vous accompagne du premier au dernier talk. Construisez votre programme sur mesure, suivez vos speakers favoris, échangez avec la communauté et profitez de chaque instant sans rien manquer.
Screenshots
Verdict
Chiron and DevLille are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.
| Parameter | Chiron | DevLille |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 241 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | James Booth | DevLille |
In-app purchases
Chiron
No in-app purchases
DevLille
No in-app purchases









