# Baby Diary vs Contraction Timer & Tracker Mo

The clearest difference is review sentiment: Contraction Timer & Tracker Mo at 100% against Baby Diary's 62%. Contraction Timer & Tracker Mo also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). Baby Diary's advantage is rating (4.8 vs 4.4) and update cadence (every 3 days vs every 2 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Baby Diary sells 6 in-app purchases, starting at $0.99 per month and Contraction Timer & Tracker Mo sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Baby Diary holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Baby Diary has 146 ratings behind it against 24, so its average is the more settled of the two. Written reviews complicate that: 62% of Baby Diary's written reviews are positive against 100% of Contraction Timer & Tracker Mo's, so the app with the better star average is not the one people write more warmly about.

Baby Diary ships an update every 3 days, Contraction Timer & Tracker Mo every 2 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Baby Diary | Contraction Timer & Tracker Mo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (146 ratings)](https://appshunter.io/ios/app/baby-diary-sleep-plus/id1402586391/reviews)** | [4.4 (24 ratings)](https://appshunter.io/ios/app/contraction-timer-and-tracker-mo/id6736592854/reviews) |
| Number of ratings | **146** | 24 |
| Positive reviews | 62.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 93 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Goncharov](https://appshunter.io/developer/1052509933) | [Kseniya Kerner](https://appshunter.io/developer/1693063947) |

## What reviewers say

### Baby Diary

[App page](https://appshunter.io/ios/app/baby-diary-sleep-plus/id1402586391)

This app helps new parents track and improve their baby's sleep patterns. It logs sleep sessions, calculates wakefulness, and offers guidance on sleep standards. The tool also allows for detailed notes, event tracking, and statistical analysis to address sleepless nights.

**Highlights:** Track baby's sleep sessions, Calculate wakefulness periods, Guidance on sleep standards, Add sleep notes and tags, Mark daily baby events, Statistical data analysis, Create bedtime reminders

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month | $0.99 | per month |
| One month: Statistics + Widget | $1.99 | per month |
| A small cup of coffee | $1.99 | one-time |
| Medium cup of coffee | $2.99 | one-time |
| A large cup of coffee | $4.99 | one-time |
| Full version | $34.99 | one-time |


### Contraction Timer & Tracker Mo

[App page](https://appshunter.io/ios/app/contraction-timer-and-tracker-mo/id6736592854)

Easily track labor contractions by timing their start and end. Analyzes duration and frequency to suggest when to head to the hospital. Always consult your doctor for personalized advice.

**Highlights:** Track contraction start and end times, Analyze contraction duration, Analyze contraction frequency, Suggest hospital arrival time, Subscription for unlimited access

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contraction Timer Premium | $2.99 | per 7 days |
| Premium Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is Baby Diary free?

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

### Is Contraction Timer & Tracker Mo free?

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

### Which has better reviews, Baby Diary or Contraction Timer & Tracker Mo?

Baby Diary is rated higher. Baby Diary averages 4.8 out of 5 from 146 ratings, while Contraction Timer & Tracker Mo averages 4.4 from 24 ratings.

### Do Baby Diary or Contraction Timer & Tracker Mo have ads?

Baby Diary shows ads; Contraction Timer & Tracker Mo does not.

### Which is updated more often, Baby Diary or Contraction Timer & Tracker Mo?

Baby Diary ships an update every 3 days, and Contraction Timer & Tracker Mo every 2 weeks. Most recently, Baby Diary was updated on October 29, 2026 and Contraction Timer & Tracker Mo on October 27, 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.*