VLUME vs RedBookAM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VLUME
Access an unlimited library of ebooks and audiobooks with personalized recommendations and cross-device syncing. Discover new titles easily with phonetic search and enjoy offline reading. A monthly subscription provides full access to the collection.
- Unlimited ebooks and audiobooks
- Personalized reading recommendations
- Assisted phonetic search
- Offline reading and downloads
- Cross-device reading status sync
- Monthly subscription model
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Vlume gives you access to an unlimited number of the ebooks and audiobooks. Stay connected with your favorite titles and characters on your mobile and synchronize your reading status on multiple devices. Discover new books and add them to your favorite collection. Keep track of your reading progress and get reminders. Read intelligently through our personalized reading recommendations and use our assisted phonetic search for easy title discovery. FEATURES • Access to unlimited number of the ebooks and audiobooks through your monthly subscription • Easy title discovery through assisted phonetic search for foreign languages • Personalized cross-language reading recommendations based on your interests • Download titles to enjoy at any time both for online and offline mode • Sync your reading status across all of your devices • Our membership is a monthly subscription that starts at $7.99 which automatically renews unless the subscription is canceled at least 24 hours prior to the next billing date • Payment will be charged to your iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, at the cost of the chosen package • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase Our privacy policy can be found at http://vlume.com/privacy/ Our terms of use can be found at http://vlume.com/terms/
RedBookAM
Discover and protect rare and threatened plant and animal species in your community. Learn about extinct species that once thrived in Armenia through beautiful illustrations. Search for endangered animals, plants, and fungi to understand their habitats and find ways to help prevent extinction.
- Identify rare and threatened species
- Learn about extinct species
- Search for endangered animals, plants, fungi
- Understand species habitats
- Discover ways to prevent extinction
- View species illustrations
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This app will serve as a guideline for you to know, and help protect the rare and threatened plant and animal species found in your community, you will also get to see beautiful illustrations of species that once thrived in Armenia, but are now extinct! The app has a feature where you can quickly search for any endangered species and see information and suggestions of ways to help prevent their extinction. You can search for animals, plants and fungi and find out where they live and understand their habitat. The ever increasing human pressure on landscapes and the overuse of biological resources have caused degradation of wildlife habitat, bringing a number of species to the brink of extinction. This shows that, natural resources and the natural environment are extremely important for the survival of species.The expert assessments of species status were carried out in compliance with the International Union for Conservation of Nature (IUCN) categories and indicators.
Screenshots
Verdict
The clearest difference is rating: RedBookAM at 5.0 against VLUME's 4.3. RedBookAM also leads on in-app purchases (none vs 1) and review sentiment (100% vs 80%). VLUME's advantage is ratings volume (30 vs 2). On price, ads 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. VLUME sells 1 in-app purchase, starting at $7.99 per month. RedBookAM asks for nothing beyond the download.
RedBookAM holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: VLUME has 30 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 80% of VLUME's written reviews are positive against 100% of RedBookAM's.
| Parameter | VLUME | RedBookAM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (30 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 80.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 30 — better | 2 |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 10.2 — better |
| Further details — not scored | ||
| Size | 66 MB | 69 MB |
| Age rating | 12+ | 12+ |
| Developer | VLUME INC | Government of Armenia |
Customer experience
VLUME
RedBookAM
In-app purchases
VLUME
- Monthly Subscription7 Days trial$7.991 Month
RedBookAM
No in-app purchases








