Comparison

Four Days vs OM Oasis Studios

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Four Days

This app helps manage food allergies by tracking your diet. It guides you through a rotation diet to avoid repetitive food consumption and prevent new intolerances. Maintain dietary diversity and support gut health.

Highlights
  • Rotation diet tracking
  • Avoid food repetition
  • Prevent new intolerances
  • Enhance nutrient diversity
  • Support gut healing
Features
Read full description

If you have multiple food allergies, one of the best ways to help yourself is to “rotate” your foods, or eat a rotation diet. Four days allow you to keep track of what you are eating to avoid repetition and prevent you from forming new food intolerances What is a rotation diet? A rotation diet is a system of controlling food allergies by eating biologically related foods on the same day and then waiting at least four days before eating them again. Such a diet can help those with food allergies in several ways and may help prevent the development of allergies to new foods. Why rotate your foods? 1. We are biologically designed to rotate foods. Man is meant to eat with the seasons. We are not designed to eat avocado every single day, because nature does not allow for it. In nature (or even 100-150 years ago) we ate what was local and available. 2. Rotation allows for more nutrient diversity. If we eat avocado as our main source of fat every day, we’re missing out on all of the healthy fats in olive oil, coconut, and beef tallow. Different foods come with different nutrients and we need variety for vibrancy! 3. Eating the same foods constantly can cause food intolerances and impede gut healing Any food, if eaten repetitively, can cause food allergies especially if we have gut issues. Why? Like we stated above, our bodies aren’t designed to eat the same thing over and over again. And if we have permeable intestines and are eating avocado daily, our immune system is reacting to the avocado over, and over, and over again. Eventually it becomes too much. Surely, the goal is to heal the gut. However, an important piece of gut healing is to remove inflammation, and stopping new intolerances from forming. Thus, a rotation diet can be an amazing strategy within a gut healing template.

About

OM Oasis Studios

Easily manage your account, book classes and events, and stay connected with your studio. Message directly, view announcements, and access shared content.

Highlights
  • Account management
  • Class and event booking
  • Direct messaging
  • Public feed for announcements
  • Content sharing
Features
Read full description

The OM Oasis Studios app makes it very easy for you to manage your OM Oasis Studios account, book into our classes and events and keep in touch with us. You can easily message us if you have a question or want to share something with us. You can also follow our public feed to see any announcements we make, promos we run, or content we share.

Screenshots

Four Days4 screens
OM Oasis Studios4 screens

Verdict

The call

The clearest difference is price: OM Oasis Studios at Free against Four Days's $1.99. OM Oasis Studios also leads on rating (4.9 vs 2.6) and ratings volume (150 vs 8). Four Days's advantage is iOS requirement (13.4 vs 15.1). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

OM Oasis Studios is free to download; Four Days costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

OM Oasis Studios holds the better App Store score, 4.9 against 2.6. That said, the two scores are not equally well evidenced: OM Oasis Studios has 150 ratings behind it against 8, so its average is the more settled of the two.

UpkeepUpdate frequency

Four Days ships an update every 4 months, OM Oasis Studios every 3 months. The most recent releases landed on October 16, 2026 and October 23, 2026 respectively.

Scorecard5 real differences · 5 level
Four Days versus OM Oasis Studios: the parameters behind the verdict, then further details
ParameterFour DaysOM Oasis Studios
Price$1.99Free — better
Rating2.6 (8 ratings)4.9 (150 ratings) — better
Positive reviews44.4% of reviews—
Number of ratings8150 — better
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.4 — better15.1
Further details — not scored
Size23 MB55 MB
Age rating4+4+
DeveloperSergio Gutierrez MotaMomence, Inc.

Customer experience

Four Days

All ratings8 ratings
Positive37.5%
Neutral12.5%
Negative50.0%
Written reviews9 reviews
Positive44.4%
Neutral22.2%
Negative33.3%

OM Oasis Studios

All ratings145 ratings
Positive98.6%
Neutral0.7%
Negative0.7%

In-app purchases

None

Four Days

No in-app purchases

None

OM Oasis Studios

No in-app purchases

Questions

Is Four Days free?
Four Days costs $1.99, with no in-app purchases.
Is OM Oasis Studios free?
OM Oasis Studios is free to download, with no in-app purchases.
Which has better reviews, Four Days or OM Oasis Studios?
OM Oasis Studios is rated higher. Four Days averages 2.6 out of 5 from 8 ratings, while OM Oasis Studios averages 4.9 from 150 ratings.
Do Four Days or OM Oasis Studios have ads?
Neither Four Days nor OM Oasis Studios shows ads.
Which is updated more often, Four Days or OM Oasis Studios?
Four Days ships an update every 4 months, and OM Oasis Studios every 3 months. Most recently, Four Days was updated on October 16, 2026 and OM Oasis Studios on October 23, 2026.

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