Comparison

Sleep Meister Lite vs EIR

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

Head to head
About

Sleep Meister Lite

This app monitors your sleep cycles using your device's accelerometer to wake you during your lightest sleep phase. It offers features like sleep talking recording, sleep data visualization, and automatic music player shutdown. Wake up feeling more refreshed with intelligent alarm management.

Highlights
  • Sleep cycle monitoring
  • Lightest sleep phase alarm
  • Sleep talking recording
  • Health app integration
  • Automatic music player stop
  • Sleep data visualization
Read full description

Sleep Meister is a sleep aid app that uses the accelerometer sensor built into your device to monitor your body’s movements and sound an alarm when your sleep is at its lightest, letting you wake up refreshed. Sleep Meister integrates with the Health app and is packed with features, recording your sleep talking, manage your sleep data via graphs and lists, post your sleep data on social media platforms, set the music player to automatically turn off when you fall asleep, and much more. Make every morning a refreshing one! [Features] - Compatible with iOS 27. - Integrates with the Health app. (sleep analysis) - Manages your sleep cycles. - Alarm to wake you up when your sleep is at its lightest. - Recording your sleep talking. - Music player that stops automatically when you fall asleep. [Instructions] 1. Open up the settings menu to personalize the app by choosing the alarm sound, snooze length, and more. 2. Set the alarm time and press the START button to begin monitoring your sleep cycles. 3. Refer to Help in the settings menu when choosing where to place your phone. 4. The alarm will sound in the time period you set when the app senses that your sleep is at its lightest. 5. After waking up, slide the slider to the right to stop sleep monitoring. [URL Scheme] sleepmeisterlite: [Differences between the free and paid versions] No advertisements in the paid version

About

EIR

Read full description

エイルの公式アプリをリリースしました! このアプリでは、エイルの最新情報の受け取りや便利な機能を使う事ができます。 【アプリで出来ること】 本アプリを利用して以下のことが行えます。 1.最新情報をチェック!  エイルのサービス内容が確認できます。  また、お店からメッセージが届くので、いつでも最新の情報がご確認いただけます。 2.マイページで情報を確認!  エイルのご利用状況が確認できます。 3.友達に紹介!  エイルのアプリをSNSを通じてお友達に紹介する事ができます。 4.他にも便利な機能満載!

Screenshots

Sleep Meister Lite4 screens
EIR3 screens

Verdict

The call

The clearest difference is ads: EIR at none against Sleep Meister Lite's shown. EIR also leads on iOS requirement (11.0 vs 26.0). Sleep Meister Lite's advantage is update cadence (every 2 months vs every 38 months). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sleep Meister Lite ships an update every 2 months, EIR every 38 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
Sleep Meister Lite versus EIR: the parameters behind the verdict, then further details
ParameterSleep Meister LiteEIR
PriceFreeFree
Rating4.6 (633 ratings) — better—
Positive reviews83.6% of reviews—
Number of ratings633 — better—
Update frequencyEvery 2 months — betterEvery 38 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhoneiPhone, iPod — better
Requires iOS26.011.0 — better
Further details — not scored
Size19 MB39 MB
Age rating4+4+
DeveloperNaoya ArakiWADA SACHIKO

Bugs and requests

Sleep Meister Lite

Reported bugs

4 issues
  • Alarm not going off as scheduled
  • App shutting down unexpectedly
  • Sleep data not recording properly
  • Compatibility issues with iOS updates

Requested features

5 requests
  • Add deep sleep percentage
  • Ability to set multiple alarms
  • Option to disable ads
  • Improved sleep talk recording
  • Sync with other health apps

EIR

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Sleep Meister Lite

No in-app purchases

None

EIR

No in-app purchases

Questions

Is Sleep Meister Lite free?
Sleep Meister Lite is free to download, with no in-app purchases.
Is EIR free?
EIR is free to download, with no in-app purchases.
Do Sleep Meister Lite or EIR have ads?
Sleep Meister Lite shows ads; EIR does not.
Which is updated more often, Sleep Meister Lite or EIR?
Sleep Meister Lite ships an update every 2 months, and EIR every 38 months. Most recently, Sleep Meister Lite was updated on October 15, 2026 and EIR on October 2, 2026.

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