# Decaff vs Insomnia Sleep Tracker

The clearest difference is update cadence: Insomnia Sleep Tracker at every 3 days against Decaff's every 2 months. Insomnia Sleep Tracker also leads on device support (4 vs 1) and iOS requirement (15.5 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Decaff sells 5 in-app purchases, starting at $0.99 per 7 days and Insomnia Sleep Tracker sells 14 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Decaff ships an update every 2 months, Insomnia Sleep Tracker every 3 days. The most recent releases landed on September 13, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Decaff | Insomnia Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decaff-caffeine-tracker/id6739958581/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 166 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Irakli Grigolia](https://appshunter.io/developer/1583083592) | [Digital Therapeutics](https://appshunter.io/developer/1721663167) |

## What reviewers say

### Decaff

[App page](https://appshunter.io/ios/app/decaff-caffeine-tracker/id6739958581)

Monitor your daily caffeine consumption from various beverages like coffee, tea, and energy drinks. Log your intake, set limits, and visualize trends to understand caffeine's impact on your sleep and energy levels. Build healthier habits and maintain control over your caffeine intake.

**Highlights:** Track caffeine intake from various beverages, Log beverages and set daily limits, Visualize daily and weekly trends, Understand caffeine's impact on sleep, Build healthier habits, Monitor energy and focus levels

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Support Decaff | $0.99 | one-time |
| Support Decaff | $2.99 | one-time |
| Lifetime Premium | $4.99 | one-time |
| Support Decaff | $4.99 | one-time |


### Insomnia Sleep Tracker

[App page](https://appshunter.io/ios/app/insomnia-sleep-tracker/id6762095934)

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Insomnia Plus (Weekly) | $5.99 | per 7 days |
| steady pass | $6.99 | per month |
| weather max | $9.99 | per 3 months |
| Insomnia Plus (Monthly) | $9.99 | per month |
| carey ai max | $19.99 | per month |
| Lite Yearly | $29.99 | per year |
| carey ai ultra | $29.99 | per month |
| Insomnia Plus (Sale) | $34.99 | per year |
| Extended Trial | $39.99 | per year |
| Insomnia Plus (Annual) | $44.99 | per year |
| 7-Day Trial | $49.99 | per year |
| carey ai credits | $8.99 | one-time |
| Store Credit | $9.99 | one-time |
| Lifetime Upgrade | $119.99 | one-time |


## Frequently asked questions

### Is Decaff free?

Decaff is free to download, with in-app purchases available.

### Is Insomnia Sleep Tracker free?

Insomnia Sleep Tracker is free to download, with in-app purchases available.

### Do Decaff or Insomnia Sleep Tracker have ads?

Neither Decaff nor Insomnia Sleep Tracker shows ads.

### Which is updated more often, Decaff or Insomnia Sleep Tracker?

Decaff ships an update every 2 months, and Insomnia Sleep Tracker every 3 days. Most recently, Decaff was updated on September 13, 2026 and Insomnia Sleep Tracker on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*