ERS 2025 vs Colaider
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ERS 2025
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The last ERS2023 in Sofia attracted than 1378 participants from 90 countries. Around 1700 are expected to attend the ERS 2025 in Budapest, Hungary. The audience at ERS 2025 comprises of all specialists with an interest in this area, including medical and surgical rhinologists, ENTs, allergists, immunologists, skull base surgeons, facial plastic surgeons, allergists, primary care physicians, scientists and allied health professionals. This is the world's leading rhinology congress and it is your opportunity to engage with colleagues from across the globe. ERS Congress is known for its engaging sessions given by world renowned experts. Join us for four days of plenary sessions, symposia, instructional sessions, round table discussions, debates, workshops and much more!
Colaider
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Colaider — a trusted community of the personal development space. A network of 200+ leaders, mentors, and graduates of the educational program. For members only. What's inside: ◦ Class and event schedule with Apple Calendar sync (via webcal:// subscription) ◦ Member profiles – find "your people" by skills, city, interests, and program level ◦ AI assistant: search for events, special courses, or people ◦ Learning progress – levels, groups ◦ Special courses and events — dates, topics, instructors, and payment ◦ Visibility settings — decide what profile information to show to others The app is available exclusively to members of the Colaider educational program. Log in using the phone number or Telegram nickname registered in the system.
Screenshots
Verdict
ERS 2025 and Colaider are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | ERS 2025 | Colaider |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 40 MB | 44 MB |
| Age rating | 4+ | 17+ |
| Developer | Material Apps EOOD | Oleg Koshyk |
In-app purchases
ERS 2025
No in-app purchases
Colaider
No in-app purchases









