Comparison

Sleep When I Sleep vs iCodex

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

Head to head
About

Sleep When I Sleep

This app alerts you when you're falling asleep while listening to audiobooks or podcasts. It pauses playback to help you easily find your place again. It utilizes Apple Watch health data to detect sleep and offers a reset function for continued use.

Highlights
  • Sleep detection alerts
  • Automatic audio playback pause
  • Apple Watch integration
  • Adjustable sensitivity
  • Easy start/stop functionality
Read full description

Audiobook & podcast users know that it is almost impossible to find your place once you have fallen asleep and play has continued. SWIS – Sleep when I sleep. Here is what you will love about SWIS for iOS: It is so easy to use. SWIS alerts you that you are falling asleep & if not dismissed will pause audio playback making it easier to find where you left off in a story or podcast. SWIS detects that you are falling asleep & sends you an alert through the watch. We recommend that you stop audio playback when alerted. However, should you feel that you are not falling asleep and dismiss it the App will reset at a less sensitive level and alert you should it again detect sleep. SWIS uses health data from your Apple Watch to determine that you are falling asleep. For accuracy, this data updates throughout the day. Simply open SWIS on your watch when you are listening to audio and press Start. When alerted or when finished press Stop. Apple Watch required. DO NOT RELY ON SWIS TO ALERT YOU THAT YOU MAY BE FALLING ASLEEP WHEN DRIVING. Apple standard Terms of use apply and can be found at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

iCodex

Monitor your Codex usage locally on your iPhone and Apple Watch. Track quota, token trends, and reset times with real-time data and customizable alerts. Features widgets and Live Activities for convenient access.

Highlights
  • Quota overview and reset times
  • Token trend analysis
  • Apple Watch app
  • Widgets and complications
  • Live Activities on Lock Screen
  • Low-quota alerts
  • Local-first data connection
Features
Read full description

iCodex is a local-first usage dashboard for Codex users. Keep an eye on quota, reset times, and token trends without repeatedly returning to your Mac. Key features: • Quota overview: See 5-hour and 7-day limits, remaining percentages, and estimated reset times • Token trends: Explore 7-day or 30-day input, output, and cached token history • Apple Watch: Check quota, today's tokens, and 24-hour activity from your wrist • Widgets and complications: Keep essential usage information where you look most • Live Activities: View current quota on the Lock Screen and Dynamic Island • Low-quota alerts: Get optional notifications when remaining quota becomes low • Local-first connection: The Mac Helper reads and summarizes usage on your computer, then shares it with iPhone over an encrypted local-network connection Getting started: 1. Install and run the iCodex Mac Helper 2. Scan the pairing QR code with your iPhone 3. View usage on iPhone, Apple Watch, and widgets Paid content: • You can use Demo Preview at no charge to explore the iPhone quota overview, token trends, and settings with sample data • Connecting to the Mac Helper for real usage data, plus the live quota dashboard, up to 30 days of local history, Apple Watch app, widgets, complications, and low-quota alerts, requires an active Monthly Membership or the Lifetime Unlock • Monthly Membership is an auto-renewable one-month subscription. Cancel in the App Store; access continues until the end of the paid period • Lifetime Unlock is a non-consumable, one-time purchase that does not auto-renew. Both options include the same features • Existing Lifetime Unlock purchases remain valid without any additional payment • The actual price and applicable taxes are shown on the App Store purchase confirmation sheet • Existing customers can restore either purchase on the unlock screen or in Settings • Demo Preview uses sample data only. It does not include real Mac data or unlock Apple Watch and widgets iCodex does not upload or store your raw conversation content. The developer does not operate a cloud server that receives your usage data. iCodex is an independently developed third-party utility and is not affiliated with, sponsored by, or endorsed by any third-party service provider. Your use of third-party services remains subject to the terms you have with those providers. Some features require a compatible Mac, the same local network, Apple Watch, or system permission. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sleep When I Sleep3 screens
iCodex4 screens

Verdict

The call

The clearest difference is review sentiment: iCodex at 100% against Sleep When I Sleep's 0%. iCodex also leads on rating (5.0 vs 1.0) and update cadence (every 3 weeks vs every 4 months). Sleep When I Sleep's advantage is iOS requirement (11.1 vs 17.6). On price, ratings volume, ads and in-app purchases 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. Sleep When I Sleep sells 1 in-app purchase, starting at $5.49 per year and iCodex sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

iCodex holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of Sleep When I Sleep's written reviews are positive against 100% of iCodex's.

UpkeepUpdate frequency

Sleep When I Sleep ships an update every 4 months, iCodex every 3 weeks. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
Sleep When I Sleep versus iCodex: the parameters behind the verdict, then further details
ParameterSleep When I SleepiCodex
PriceFreeFree
Rating1.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS11.1 — better17.6
Further details — not scored
Size35 MB10 MB
Age rating4+4+
DeveloperSWIS APP LTD建祥 陈

Customer experience

Sleep When I Sleep

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews5 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

iCodex

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Sleep When I Sleep

Subscriptions1
  • 7 Day Free Trial7 Days trial$5.491 Year
1 purchases

iCodex

One-time1
  • Lifetime Access$1.99

Questions

Is Sleep When I Sleep free?
Sleep When I Sleep is free to download, with in-app purchases available.
Is iCodex free?
iCodex is free to download, with in-app purchases available.
Which has better reviews, Sleep When I Sleep or iCodex?
iCodex is rated higher. Sleep When I Sleep averages 1.0 out of 5 from 2 ratings, while iCodex averages 5.0 from 1 ratings.
Do Sleep When I Sleep or iCodex have ads?
Neither Sleep When I Sleep nor iCodex shows ads.
Which is updated more often, Sleep When I Sleep or iCodex?
Sleep When I Sleep ships an update every 4 months, and iCodex every 3 weeks. Most recently, Sleep When I Sleep was updated on October 6, 2026 and iCodex on October 15, 2026.

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