# Daphnee vs SleepEngine

The clearest difference is in-app purchases: SleepEngine at none against Daphnee's 2. SleepEngine also leads on review sentiment (80% vs 50%) and device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Daphnee sells 2 in-app purchases, starting at $2.99 per month. SleepEngine asks for nothing beyond the download.

Daphnee ships an update monthly, SleepEngine every 6 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Daphnee | SleepEngine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (7 ratings)](https://appshunter.io/ios/app/daphnee-smart-pet-id/id1616026139/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 50.0% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 56 MB | 78 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Daphnee GmbH](https://appshunter.io/developer/1600923669) | [Cambridge Sleep Sciences Ltd](https://appshunter.io/developer/1622392022) |

## What reviewers say

### Daphnee

[App page](https://appshunter.io/ios/app/daphnee-smart-pet-id/id1616026139)

Manage your pet's health, documents, and safety with a digital ID and smart reminders.  Organize vet visits, medications, and share caregiving tasks with family.

**Highlights:** Digital pet ID with Daphnee Tags, Health record and document storage, Customizable pet profiles, Carer Groups for shared pet management, Pet diary with mood tracking, Smart reminders for appointments and medications

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly Subscription | $24.99 | per year |


### SleepEngine

[App page](https://appshunter.io/ios/app/sleepengine/id6736406638)

This app uses scientifically developed sound technology to help improve sleep quality. It guides your brain through healthy sleep cycles, aiding in falling asleep faster, staying asleep longer, and waking up refreshed. Designed to retrain natural sleep patterns, it offers personalized sleep programs for a better night's rest.

**Highlights:** Scientific sound technology, Guides brain through sleep cycles, Helps fall asleep faster, Reduces waking times, Personalized sleep programs, Bluetooth connectivity to SmartPillow

**In-app purchases:** none


## Frequently asked questions

### Is Daphnee free?

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

### Is SleepEngine free?

SleepEngine is free to download, with no in-app purchases.

### Do Daphnee or SleepEngine have ads?

Neither Daphnee nor SleepEngine shows ads.

### Which is updated more often, Daphnee or SleepEngine?

Daphnee ships an update monthly, and SleepEngine every 6 weeks. Most recently, Daphnee was updated on October 16, 2026 and SleepEngine on October 24, 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.*