Comparison

Studio 104 On Main vs fast_ Intermittent Fasting

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

Head to head
About

Studio 104 On Main

Easily book fitness classes and manage your membership on the go. Reserve spots, join waitlists, and check your profile status directly from your device.

Highlights
  • Book classes easily
  • Manage reservations
  • Join waitlists
  • Check profile and membership status
  • Access anytime, anywhere
Read full description

Download the Studio 104 app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, check your profile and membership status, and more – all from your device. Visit https://www.studio104onmain.com/ to learn more.

About

fast_ Intermittent Fasting

Features
Read full description

Fasting, made simple — and built so you'll actually keep it up. Most fasting apps are cluttered, naggy, and expensive. fast_ is the opposite: open it, log when you eat, and your fasts record and tier themselves — Micro, Mini, Short, Fast, Extended, Deep. No start/stop fiddling, no guilt, no walls. FREE, FOREVER • Auto fasts — just tap "I ate" and the app handles the timing • A clean live timer showing your current tier • Log meals with calories + macros, fully searchable • Water tracking with a daily goal • Weigh-ins with a trend chart • Share a meal with friends or family using a quick code • Works offline — log on the go and it syncs when you're back online • Real stats, streaks, and a 7-day chart • 7 themes, from neon synthwave to clean light, plus a colorblind-friendly palette • Hide any feature you don't use — make it as minimal as you want GO PRO — OPTIONAL • Snap a photo of your plate and the calories + macros fill themselves in • Or just type a meal and it gets estimated for you • Next-meal coach — set a calorie goal and see what to aim for at your next meal • Smart meal ideas matched to your goal and diet style • Eating out? Snap a menu or name the restaurant for dish picks that fit your goal • Weather-smart hydration — your water goal rises on hot days, with heat-safety tips • $9.99/month or $59.99/year (save 50%) Built for people who want something simple, that works, and that won't punish you if you skip a month. No ads. Cancel anytime. Your data stays yours — delete it whenever you want. Start your next fast in two taps. SUBSCRIPTION fast_ Pro is an auto-renewable subscription: Monthly $9.99 or Annual $59.99 (USD; prices may vary by region). Payment is charged to your Apple Account at confirmation of purchase. It renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours before the period ends. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://aim-env.com/fast/privacy.html

Screenshots

Studio 104 On Main4 screens
fast_ Intermittent Fasting4 screens

Verdict

The call

The clearest difference is in-app purchases: Studio 104 On Main at none against fast_ Intermittent Fasting's 2. Studio 104 On Main also leads on iOS requirement (13.5 vs 16.4). fast_ Intermittent Fasting's advantage is update cadence (every 4 months vs every 14 months) and device support. On price, rating and ratings volume 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

Both are free to download. fast_ Intermittent Fasting sells 2 in-app purchases, starting at $9.99 per month. Studio 104 On Main asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Studio 104 On Main against 5.0 for fast_ Intermittent Fasting. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Studio 104 On Main ships an update every 14 months, fast_ Intermittent Fasting every 4 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 5 level
Studio 104 On Main versus fast_ Intermittent Fasting: the parameters behind the verdict, then further details
ParameterStudio 104 On Mainfast_ Intermittent Fasting
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Number of ratings2 — better1
Update frequencyEvery 14 monthsEvery 4 months — better
Ads—No
In-app purchasesNo — betterYes
MonetizationFree—
Devices—iPhone, iPad, iPod — better
Requires iOS13.5 — better16.4
Further details — not scored
Size14 MB48 MB
Age rating12+4+
DeveloperStudio 104 On Main LLCAtmospheric Integrity Management, LLC

In-app purchases

None

Studio 104 On Main

No in-app purchases

2 purchases

fast_ Intermittent Fasting

Subscriptions2
  • Pro (Monthly)$9.991 Month
  • Pro (Annual)$59.991 Year

Questions

Is Studio 104 On Main free?
Studio 104 On Main is free to download, with no in-app purchases.
Is fast_ Intermittent Fasting free?
fast_ Intermittent Fasting is free to download, with in-app purchases available.
Which has better reviews, Studio 104 On Main or fast_ Intermittent Fasting?
Studio 104 On Main and fast_ Intermittent Fasting are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Which is updated more often, Studio 104 On Main or fast_ Intermittent Fasting?
Studio 104 On Main ships an update every 14 months, and fast_ Intermittent Fasting every 4 months. Most recently, Studio 104 On Main was updated on October 24, 2026 and fast_ Intermittent Fasting on October 28, 2026.

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