Oscilla vs Write Once
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Oscilla
This application enables users to run advanced AI models directly on their Apple devices. It offers private, cloud-free interactions with features like real-time voice, memory, and web search. Analyze files and converse naturally without compromising data privacy.
- Local AI models
- Real-time voice conversations
- Built-in memory
- Web search integration
- File and image understanding
- Private by design
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Oscilla is local AI for Apple devices. Run powerful AI models entirely on your iPhone, iPad, and Mac — with real-time voice, built-in memory, web search, and private conversations that stay under your control. Talk naturally, write faster, search the web, analyze files, and run AI without relying on the cloud. • Local AI models • Real-time voice conversations • Built-in memory • Web search with any model • File and image understanding • Private by design Your AI should live on your device — not someone else’s server.
Write Once
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Write Once is a minimal daily writing app built around one simple idea: one blank page, once a day. Start a session and write freely for fifteen minutes. There are no feeds, prompts, streak pressure, or public profiles. The timer stays out of the way so you can focus on the page. Your writing is stored locally on your device. Use Write Once to clear your head, build a small writing habit, or capture whatever is on your mind before the day moves on.
Screenshots
Verdict
The clearest difference is iOS requirement: Write Once at 17.0 against Oscilla's 26.0. 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.
| Parameter | Oscilla | Write Once |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Matthew David Fusco | Saurav Kejriwal |
In-app purchases
Oscilla
No in-app purchases
Write Once
No in-app purchases
