One Big Thing vs AnyChat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Big Thing
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A Todo app with ONE big difference. Set an intention for your day with one big thing. Review your previous Big Things. Receive notifications to remind you to check in on your big thing, and mark it as complete if you've done it.
AnyChat
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- Bring your own API keys. Switch models in seconds. - AnyChat lets you chat with OpenAI, Anthropic, Gemini, and local models. - Chats live on your device. No accounts. No tracking.
Screenshots
Verdict
The clearest difference is update cadence: AnyChat at every 10 days against One Big Thing's every 2 months. One Big Thing's advantage is iOS requirement (17.6 vs 26.2). 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.
One Big Thing ships an update every 2 months, AnyChat every 10 days. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.
| Parameter | One Big Thing | AnyChat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 1 MB | 17 MB |
| Age rating | 4+ | 12+ |
| Developer | Thomas Chatting | HOJA LABS LTD |
In-app purchases
One Big Thing
No in-app purchases
AnyChat
No in-app purchases
