Infidelity ER vs Fast2Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Infidelity ER
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The Infidelity ER is exactly what the name implies: An Emergency Room for anyone who is affected by infidelity, one way or the other. When experiencing a personal crisis, we are all helped by a clear structure that help us understand, but also create a visual picture of the change ahead. Therefore the Infidelity ER is constructed in five different processes that can be followed step by step. You will receive help and support to handle both feelings and behaviors through every step of the different phases; from suspected to confirmed infidelity and further on to repairing the relationship. There are also two following processes that help you build a stronger, more open and happy relationship, as well as increasing your own awareness. You get advice, support and knowledge, and the possibility to write down your own thoughts and reflections, anonymous of course. You will also get access to a chat where you can ask personal questions about specific circumstances that you need help to understand. The Infidelity ER is available in your mobile phone whenever you need it, and works as a guide through the different phases that inevitably follow infidelity, but also as an “education” in handling relationships and your own emotional luggage. You get an opportunity to browse through the app, read introductions and an extensive Q&A, before deciding if you want to subscribe. The Infidelity ER Lets you be totally anonymous Cost as much as one single visit at the therapists office Is available in both English and Swedish Is available in your mobile 24 hours a day, 7 days a week Can be worked on together as a couple, or individually Also doubles as ”homework” to reach a good result faster when consulting other therapists Offers a great possibility to reach personal growth, at the same time as the relationship is not only healed but strengthened for the future Can also work as a tool to reach en empathetic communication and mutual respect, for those couples who chose to split up Background The Infidelity ER is created by Anneli Östling and based on scientific models of psychology and extensive research on relationships. Anneli works as a couples therapist and are specialized on problems related to infidelity, with many years of experience. Earlier in her career she worked with risk analysing within change- and development processes at big companies. That experience has affected her way to trust distinct and structured processes in her work as therapist as well. More information about sources of facts, research and inspiration is available within the app. In the Infidelity ER you are guided, individually or as a couple, step by step through the same processes as at the therapists office. The purpose of the app is to reach more people in need of support, who might not have the possibility, resources, time or will to attend a therapists office Payment and price information Payment is made inside the Application. You need to purchase a one month automatic renewal subscription to access all the features of the app. When you start your subscription you will get access to all chapters and chat with a professional adviser. You have access to the complete app during the subscription time - Payment is charged with SEK 99 for a month subscription, after which the subscription is renewed monthly for SEK 99 per month. - Payment is debited to your iTunes account upon confirmation of purchase. - The account is charged for renewal within 24 hours before the end of the current period. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Subscriptions can be managed by the user and automatic renewal can be turned off by going to the user's account settings after purchase. Read our Terms & Conditions and Privacy Policy: https://app.otrohetsakuten.se/terms
Fast2Book
Instantly book appointments with doctors, salons, caterers, and more. This app offers real-time availability, instant confirmations, and secure payments. Save time and avoid phone calls by booking services anytime, anywhere.
- Instant booking for various services
- Real-time availability
- Instant confirmations
- Secure payments
- Service reminders
- View professional reviews
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Fast2Book – Your instant booking app for doctors, salons, caterers & more! Enjoy hassle-free appointments with real-time availability, instant confirmations, and secure payments. Save time, skip the calls, and book anytime, anywhere. Whether it's a medical checkup, haircut, or event catering, Fast2Book connects you with trusted professionals in seconds. Get reminders, reviews etc .Tired of endless phone calls, long waits, and last-minute cancellations? Fast2Book is booking platform for doctors, salons, catering services. Designed for convenience, speed, and reliability Fast2Book lets you schedule appointments in seconds with verified professionals near you.
Screenshots
Verdict
The clearest difference is in-app purchases: Fast2Book at none against Infidelity ER's 1. Infidelity ER's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence, 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. Infidelity ER sells 1 in-app purchase, starting at $7.99 per month. Fast2Book asks for nothing beyond the download.
Infidelity ER ships an update every 2 months, Fast2Book every 3 months. The most recent releases landed on October 15, 2026 and September 24, 2026 respectively.
| Parameter | Infidelity ER | Fast2Book |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 39 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Relationskonsulten Stockholm AB | Innovestech |
In-app purchases
Infidelity ER
- ER Infidelity subscription$7.991 Month
Fast2Book
No in-app purchases









