Comparison

Dev Engage vs LunaLull

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

Head to head
About

Dev Engage

Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location details. Optimize your time and enjoy the convenience of managing your fitness activities on the go.

Highlights
  • View class schedules
  • Sign up for classes
  • Access studio location
  • Optimize time management
  • Convenient mobile access
Features
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Download the Dev Engage App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!

About

LunaLull

Features
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Build the sound. We'll keep it playing. LunaLull is a sound machine you actually operate. Stack rain over a fan over brown noise, set every layer with a real fader, and keep the mix you built. The whole mixer is free. THE INSTRUMENT IS FREE Unlimited layers. Every fader, every timer, the Oscillate control and the wake alarm are in the free tier, plus a core set of beds. We charge for the size of the library, not for the machine. ACOUSTIC DISTANCE Every sound is rendered three ways: Near, Through a Wall, and Outside. It is the difference between rain on your window and the same rain two rooms away. Ambient on a phone speaker in a dark room can read thin and sharp. Distance fixes that in the file, not with an equalizer. WHAT YOU CAN STACK Rain on a window, heavy rain, thunder, ocean waves, a river, wind, forest at night, birds at dawn, a fireplace, white, brown and pink noise, a fan, drones and warm pads. Plus a nursery shelf with womb sound, a heartbeat and shushing. A TIMER THAT SURVIVES THE NIGHT Set the run time and the fade length separately. The timer keeps running when you leave the screen or lock the phone, and the Lock Screen carries the mix name with play and pause, for the 2am moment when you do not want to hunt for the app. A GENTLER WAKE Reverse the fade. Over about ten minutes your mix thins out, dawn birds come up underneath it, and it ends on a chime. Plainly: iOS cannot guarantee audio from a closed app, so this is a gentle wake, not a replacement for the system alarm. BREATHING AND BINAURAL Paced breathing, 4-7-8, box and coherent, with haptic timing, layerable over any mix. Plus pre-rendered binaural beds, labelled by when to use them. We make no claims about brain states. BUILD A MIX FROM A SENTENCE Describe the night. "My partner snores." "The street is loud." You get a named mix back, its reasoning shown, every fader still yours to move. Generated on your iPhone, never on a server. NIGHTS, NOT STREAKS A month grid that fills in as you use it, with rest nights built in. No counter that resets to zero, no red day, and no notification at 1am telling you that you broke something. WHAT LUNALULL WILL NOT DO No sleep score. We do not grade your night, and we are not going to start. No microphone. We never listen to your room, and the app does not request the permission. No account. No email, no sign in, no profile. Your mixes, your schedule and your listening stay on your device. There is no LunaLull server holding anything about you. We receive anonymous crash reports and anonymous feature counts so bugs get fixed, and that is the entire list. Nothing is sold to anyone. FREE The full multi layer mixer, Oscillate, every timer, the wake alarm, one saved mix, and a core set of sounds at Near distance. PREMIUM The full library, the Through a Wall and Outside distances, unlimited saved mixes, offline downloads, breathing and binaural, mix from a sentence, and alternate app icons. Every locked sound plays a full preview first, because you cannot judge a sound from a padlock. iPhone. Plays offline once your sounds are downloaded. SUBSCRIPTION DETAILS LunaLull Premium is offered as a weekly, monthly or annual auto renewing subscription, and also as a one time Lifetime purchase. Prices are shown in your local currency in the app before you confirm. Payment is charged to your Apple ID at confirmation. A subscription renews automatically unless auto renew is switched off at least 24 hours before the current period ends, and your account is charged within the 24 hours before renewal. Manage or cancel in your App Store account settings at any time after purchase. If a free trial is offered, any unused part is forfeited when you buy a subscription. The Lifetime purchase is a single payment and does not renew. Terms of Use: https://lunalull.web.app/terms-of-use.html Privacy Policy: https://lunalull.web.app/privacy-policy.html

Screenshots

Dev Engage3 screens
LunaLull4 screens

Verdict

The call

The clearest difference is in-app purchases: Dev Engage at none against LunaLull's 2. Dev Engage also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement 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. LunaLull sells 2 in-app purchases, starting at $3.99 per month. Dev Engage asks for nothing beyond the download.

UpkeepUpdate frequency

Dev Engage ships an update every 3 weeks, LunaLull every 2 months. The most recent releases landed on September 10, 2026 and August 12, 2026 respectively.

Scorecard2 real differences · 7 level
Dev Engage versus LunaLull: the parameters behind the verdict, then further details
ParameterDev EngageLunaLull
PriceFreeFree
Rating4.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS16.0 — better16.2
Further details — not scored
Size190 MB73 MB
Age rating4+4+
DeveloperMINDBODY Inc.Anshul Jain

In-app purchases

None

Dev Engage

No in-app purchases

2 purchases

LunaLull

Subscriptions2
  • Premium Monthly$3.991 Month
  • Premium Yearly$24.991 Year

Questions

Is Dev Engage free?
Dev Engage is free to download, with no in-app purchases.
Is LunaLull free?
LunaLull is free to download, with in-app purchases available.
Do Dev Engage or LunaLull have ads?
Neither Dev Engage nor LunaLull shows ads.
Which is updated more often, Dev Engage or LunaLull?
Dev Engage ships an update every 3 weeks, and LunaLull every 2 months. Most recently, Dev Engage was updated on September 10, 2026 and LunaLull on August 12, 2026.

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