Comparison

Stress Free Flow vs Slimo Interval Timer

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

Head to head
About

Stress Free Flow

This app offers a sensory toolkit with interactive visuals and high-fidelity soundscapes for regulation, focus, and decompression. It features tactile experiences with precision-tuned haptics and a library of curated audio profiles.

Highlights
  • Interactive visual experiences
  • Precision-tuned haptic feedback
  • Library of 20+ curated audio profiles
  • Background sound playback
  • Customizable experience modes
  • Sensory-friendly design
  • Progress tracking and reminders
Features
Read full description

Stop paying monthly bills for peace of mind. Stress Free Flow is a premium, privacy-first wellness app designed for sleep, stress relief, focus, and calming sensory experiences. Built entirely in native Swift: no lag, no web wrappers, no tracking, and no ads. Pay $4.99 once for everything. No subscriptions. Just fast, responsive tactile interactions and immersive audio to help you relax, unwind, or sleep. --- NEW: CALM VOICE GUIDE --- Close your eyes and let a soothing female or male voice guide you. Breath Reset says "Breathe in" and "Breathe out" right on the rhythm, and Stress Relief Buttons can read each encouraging message aloud. Prefer silence? Choose No voice. --- THE GROUNDING EXPERIENCE --- Unlike passive apps, Stress Free Flow is interactive, with no scores or timers. • Free - Breath Reset: Guided breathing sessions (1 to 5 minutes) for everyday stress and overwhelming moments. • Free - Kinetic Sand: A calming sandbox. Carve grooves, rake lines, pour piles, and stamp designs with your finger. • Pro - Slime Reset: Highly recommended for tactile grounding. Poke, stretch, and swirl glossy goo with soft ASMR sounds. • Pro - My Favorite Sound: Blend seven noise colors into one personalized mix. Your mix is also available from the Lock Screen. STRESS RELIEF BUTTONS (Pro), hold to feel sound and vibration: • Heartbeat: A rhythmic, calming pulse. • Deep Wave: Fluid, relaxing motion. • Slow Breath: Gentle rise and fall to slow your breathing. • Rain Drops: Light, soothing taps. STRESS RELIEF BALLS: • Gentle drag, single-tap, and double-tap with soft, satisfying haptic feedback for calm, focused moments. --- PRO-GRADE AUDIO STUDIO --- 28 calming sounds that keep playing on the Lock Screen, in your pocket, or while using other apps. Full AirPlay support included. Free Sounds (8): Ocean, Rain, White Noise, Creek, Green Noise, Grey Noise, Violet Noise, Violet–Brown Noise Mix Pro Sounds (20): Brown Noise, Pink Noise, Fan, Thunder Showers, Deep Low Hum, Drone, Blue Noise, Heavy Rain, Thunder Storm, Morning Rain & Nature, Relaxing River, Fire Crackling, Soothing Ocean Waves, Ocean Shore, Crickets, Birds Singing, Winter Snowfall, Rain/White/Brown/Pink Mix, Pink–Brown Noise Mix, My Favorite Sound --- FEATURES BUILT FOR YOU --- • EXPERIENCE MODES: One-tap profiles for Focus, Sleep, or Meditation. • SENSORY-FRIENDLY: Soft, non-jarring visuals designed with comfort in mind. • CUSTOMIZABLE: Fine-tune speed, intensity, motion, sound, and haptics. • PROGRESS: Build a streak, set reminders, and see your sessions. --- FROM THE DEVELOPER --- Stress Free Flow was inspired by my non-verbal great-nephew, Ollie, who lives with autism. Watching him enjoy using the app inspired me to share it with others. Many people, including those with ADHD, anxiety, sensory sensitivities, or anyone looking for a moment of calm, use Stress Free Flow as a relaxing part of their daily routine. With over two decades of professional software development experience, I've poured my heart into creating a polished, battery-efficient app built to last. This isn't another subscription. It's a one-time purchase with lifetime access to every future improvement. --- Stress Free Flow is designed for wellness, relaxation, focus, sleep, meditation, and sensory-friendly experiences. It is not a medical device and does not provide medical advice, diagnosis, or treatment. --- FREE --- Breath Reset guided breathing with calm voice guide Kinetic Sand zen garden Deep Sea interactive scene 8 background sounds with Lock Screen playback --- PRO · $4.99 ONE-TIME --- Stress Relief Buttons: Heartbeat, Deep Wave, Slow Breath, Rain Drops Scenes: Country, Beach, and Ollie's Numbers Slime Reset All 20 Pro sounds, including My Favorite Sound Yours to keep, no monthly charge One purchase. Lifetime access. No ads. No subscriptions. Discover your calm with Stress Free Flow.

About

Slimo Interval Timer

Read full description

Slimo Interval Timer is a simple, fast timer for training. - Intervals — work, rest, rounds and a get-ready countdown. Big digits, colour changes with each phase, sound and vibration. - Sets & rests — rest timer between sets, counts your sets. - Stopwatch with laps. - Countdown with an end signal. - Works offline. No account, no ads, no tracking. - 15 languages, choose the app language independently of the system. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://slmlabs.io/timer/privacy

Screenshots

Stress Free Flow4 screens
Slimo Interval Timer4 screens

Verdict

The call

Stress Free Flow and Slimo Interval Timer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stress Free Flow sells 7 one-off in-app purchases and Slimo Interval Timer sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Stress Free Flow versus Slimo Interval Timer: the parameters behind the verdict, then further details
ParameterStress Free FlowSlimo Interval Timer
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 11 days—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size163 MB2 MB
Age rating4+4+
DeveloperJeremy StakichSLMLABS OU

In-app purchases

7 purchases

Stress Free Flow

One-time7
  • Thanks for the calm$0.99
  • This app helps me$1.99
  • Grateful for this app$2.99
Show 4 more
  • Stress Free Flow Pro$4.99
  • Pro was worth it$4.99
  • Great work$9.99
  • I love this app$19.99
2 purchases

Slimo Interval Timer

Subscriptions1
  • Premium Monthly7 Days trial$2.991 Month
One-time1
  • Premium Lifetime$22.99

Questions

Is Stress Free Flow free?
Stress Free Flow is free to download, with in-app purchases available.
Is Slimo Interval Timer free?
Slimo Interval Timer is free to download, with in-app purchases available.
Do Stress Free Flow or Slimo Interval Timer have ads?
Neither Stress Free Flow nor Slimo Interval Timer shows ads.

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