# Contraction Timer Tracker . vs Baby Sleep Tracker by Lulla

The clearest difference is update cadence: Baby Sleep Tracker by Lulla at every 5 days against Contraction Timer Tracker .'s every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Contraction Timer Tracker . sells 5 in-app purchases, starting at $4.99 per 7 days and Baby Sleep Tracker by Lulla sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Contraction Timer Tracker . ships an update every 3 months, Baby Sleep Tracker by Lulla every 5 days. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Contraction Timer Tracker . | Baby Sleep Tracker by Lulla |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (36 ratings)](https://appshunter.io/ios/app/baby-sleep-tracker-by-lulla/id6764310567/reviews)** |
| Number of ratings | — | **36** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 152 MB | 33 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Maria Garcia](https://appshunter.io/developer/1824216345) | [BUBBLE DOTS, S.L.](https://appshunter.io/developer/1895727157) |

## What reviewers say

### Contraction Timer Tracker .

[App page](https://appshunter.io/ios/app/contraction-timer-tracker/id6748081703)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


### Baby Sleep Tracker by Lulla

[App page](https://appshunter.io/ios/app/baby-sleep-tracker-by-lulla/id6764310567)

This app creates a personalized sleep schedule for your baby based on their age and learned patterns. It predicts ideal nap and bedtime, tracks sleep, and offers gentle reminders. Features include white noise and live activity updates on your device's lock screen.

**Highlights:** Personalized sleep plan generation, Predicts next nap and bedtime, Dynamic wake window adaptation, Learns from baby's sleep patterns, Tracks naps and night sleep, Built-in white noise, Live Activities for nap progress

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lulla Premium Monthly | $4.99 | per month |
| Lulla 3 Months Subscription | $12.99 | per 3 months |
| Lulla Premium Yearly promo | $14.99 | per year |
| Lulla Premium Annual | $22.99 | per year |
| Lulla Premium Annual | $22.99 | per year |
| Lulla Premium Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is Contraction Timer Tracker . free?

Contraction Timer Tracker . is free to download, with in-app purchases available.

### Is Baby Sleep Tracker by Lulla free?

Baby Sleep Tracker by Lulla is free to download, with in-app purchases available.

### Do Contraction Timer Tracker . or Baby Sleep Tracker by Lulla have ads?

Neither Contraction Timer Tracker . nor Baby Sleep Tracker by Lulla shows ads.

### Which is updated more often, Contraction Timer Tracker . or Baby Sleep Tracker by Lulla?

Contraction Timer Tracker . ships an update every 3 months, and Baby Sleep Tracker by Lulla every 5 days. Most recently, Contraction Timer Tracker . was updated on October 11, 2026 and Baby Sleep Tracker by Lulla on October 3, 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.*