AI Ace vs periods.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI Ace
Pose a single question and receive answers from various AI models, including ChatGPT, Gemini, and Grok. This free application requires no login and offers multiple AI perspectives on your queries.
- Multiple AI model responses
- Single question input
- No login required
- Free to use
- Supports ChatGPT, Gemini, Grok
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AI Ace is an app that lets you pose a single question and get responses from multiple AIs (such as ChatGPT, Gemini, and Grok). No login is required, and it's free to use.
periods.
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Read faster. Understand more. One word at a time. periods. uses RSVP (Rapid Serial Visual Presentation) to deliver text at a fixed point so your eyes stay still and your brain does the reading. Import any article, PDF, or EPUB — or paste text directly — and read it at speeds you didn't think were possible. • Adaptive pacing adjusts timing based on word length and punctuation • On-device comprehension checks powered by Apple Intelligence • Focus Score tracks consistency, endurance, and speed over time • Daily challenge with a fresh passage every day • Reading streaks and detailed stats • Dark mode with a warm, comfortable palette • No accounts required — works offline, everything stays on your device Start at 300 words per minute. Push from there.
Screenshots
Verdict
The clearest difference is in-app purchases: periods. at none against AI Ace's 1. periods. also leads on ads (none vs shown). AI Ace's advantage is iOS requirement (18.0 vs 26.2). On price 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. AI Ace sells 1 one-off in-app purchase. periods. asks for nothing beyond the download.
| Parameter | AI Ace | periods. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (39 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 39 — better | — |
| Update frequency | Weekly | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 18.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 170 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | kimihiro kubota | Jordan Eromonsele |
In-app purchases
AI Ace
- Word Watch Pro$19.99
periods.
No in-app purchases









