Flex vs FlowReader Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flex
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Effortlessly log flex time or assign hours to specific projects—no spreadsheets, no headaches. Why Flex-Time? • Quick-Add: One-tap flex time logging. • Assignment Mode: Select project and log hours with notes. • Calendar View: Visualize work patterns and progress. Advanced Features: • Overtime Tracking • Custom Goals • Monthly Statistics & Graphs Download now and streamline your time management! End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
FlowReader Pro
Enhance your reading speed and comprehension with a unique RSVP method that displays words one at a time. Import content from various sources, including EPUB files and web articles, and enjoy offline access. This app offers a one-time purchase for lifetime access to all features and future updates.
- RSVP speed-reading technology
- Adjustable reading speed (100-1000 WPM)
- EPUB file import
- Article URL import
- Offline functionality
- One-time purchase for lifetime access
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Read 3× faster — without detours. FlowReader Pro is your RSVP speed-reading companion. Words appear one at a time with ORP highlighting — no eye movement required, no distractions, only focus. Input text your way Open EPUB files Import article URLs directly Paste text or upload files Everything works offline RSVP technology Words appear one by one at the optimal recognition point (ORP) Reading time is drastically reduced Adjustable speed: 100–1000 words per minute EPUB unlock — pay once, read forever One purchase, yours for life No ads, no subscriptions, no surprises Included in your purchase: Unlimited EPUB access All future features No recurring costs Your book. Your pace. Your progress — always saved.
Screenshots
Verdict
The clearest difference is ads: FlowReader Pro at none against Flex's shown. FlowReader Pro also leads on update cadence (every 4 days vs every 4 months). On price, in-app purchases, device support and iOS requirement 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. Flex sells 1 in-app purchase, starting at $9.99 per year and FlowReader Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Flex ships an update every 4 months, FlowReader Pro every 4 days. The most recent releases landed on September 9, 2026 and June 29, 2026 respectively.
| Parameter | Flex | FlowReader Pro |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 78 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | NYNOTECH AS | ANDREAS STEINER |
In-app purchases
Flex
- Pro yearly14 Days trial$9.991 Year
FlowReader Pro
- Pro Freischaltung$2.99
