Extra vs ReadKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Extra
This app transforms your email inbox into a proactive personal assistant. It highlights important daily information, prevents missed deadlines and events, and allows you to take action directly from your messages. It organizes your life's communications by grouping less important items.
- Daily brief of important items
- Never miss deadlines or events
- Actionable insights from messages
- Organizes communications by grouping
- Proactive personal inbox
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Meet Extra - your life’s inbox. Your life already runs through your inbox: plans, travel, packages, bills, events, and conversations. Extra turns that overwhelming stream into a personal, proactive inbox for your life. It shows you what matters today and helps you take the next step. • Know what's important today. Extra gives you a calm daily brief with the things worth your attention. • Never miss what matters. Catch deadlines, travel changes, plans, packages, and important moments before they slip. • Turn details into action. Draft replies, schedule events, and handle the next step without digging through messages. • Keep life organized, quietly. Extra groups the noise so the important stuff is easy to find.
ReadKey
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ReadKey turns reading into a simple rule. Instead of relying on willpower, ReadKey helps you reduce distractions by temporarily restricting access to selected apps on your device. You choose what to lock. You decide when to focus. Add any book by searching its title or ISBN. Log the pages you read. Convert your reading progress into scrolling minutes. Use those minutes to unlock access to distracting apps. ReadKey transforms reading into a clear exchange: pages read → scrolling earned. Build a streak, stay consistent, and make reading part of your daily routine. ReadKey is built for people who want fewer distractions and a stronger reading habit. Features: • Block selected apps using Screen Time integration • Add books by title or ISBN • Log pages you read • Convert reading pages into scrolling minutes • Unlock apps through reading progress • Track your reading streak • Clean, minimal design • Built with privacy in mind No ads. No tracking. Just focus.
Screenshots
Verdict
The clearest difference is update cadence: Extra at weekly against ReadKey's every 6 weeks. 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.
Extra ships an update weekly, ReadKey every 6 weeks. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.
| Parameter | Extra | ReadKey |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (411 ratings) — better | — |
| Positive reviews | 84.0% of reviews | — |
| Number of ratings | 411 — better | — |
| Update frequency | Weekly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.6 | 17.0.0 — better |
| Further details — not scored | ||
| Size | 72 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | BuildForever, Inc. | Igor Filiuk |
In-app purchases
Extra
No in-app purchases
ReadKey
No in-app purchases









