# Nextline vs Baby Tracker Master

The clearest difference is monetization model: Baby Tracker Master at free against Nextline's subscription. Baby Tracker Master also leads on rating (5.0 vs 4.7) and update cadence (every 3 days vs fortnightly). Nextline's advantage is ratings volume (9.5K vs 1) and chart position (#135 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Nextline sells 6 in-app purchases, starting at $4.99 per 7 days and Baby Tracker Master sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Baby Tracker Master holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Nextline has 9.5K ratings behind it against 1, so its average is the more settled of the two.

Nextline ships an update fortnightly, Baby Tracker Master every 3 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Nextline | Baby Tracker Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (9.5K ratings)](https://appshunter.io/ios/app/nextline-second-phone-number/id1618200738/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/baby-tracker-master/id6806099284/reviews)** |
| Number of ratings | **9.5K** | 1 |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Subscription | **Free** |
| Best chart rank | **#135** | — |
| Size | 102 MB | 62 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [GRAND APPS YAZILIM VE TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1618200740) | [FOPS TECH, L.L.C.](https://appshunter.io/developer/6794449977) |

## What reviewers say

### Nextline

[App page](https://appshunter.io/ios/app/nextline-second-phone-number/id1618200738)

**Currently charting:** #135 Top Free · Utilities (US App Store)

Get instant global connectivity with an e-SIM in over 120 countries, avoiding roaming fees. This app also provides a second phone number for enhanced privacy and convenience, with unlimited calls and texts.

**Highlights:** Global e-SIM connectivity in 120+ countries, Second US phone number, Unlimited calls and texts, No roaming fees, Privacy protection, Easy e-SIM installation

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Weekly Subscription | $7.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $59.99 | per year |
| 40 Credits | $0.99 | one-time |
| 150 Credits | $3.99 | one-time |

**What reviewers like**

- 💯 Reliable and easy to use
- 🕰️ Quick setup and activation
- 📞 Good call quality
- 💳 Affordable subscription options

**What reviewers complain about**

- 🔍 Lack of transparency around pricing and features
- 🚫 Unexpected charges and hidden fees
- 🔌 Unreliable connectivity and service disruptions
- 🔒 Account and number management issues
- 🤖 Poor customer support and unresponsive to user feedback

**Reported bugs**

- Frequent app crashes and errors
- Inability to send/receive messages
- Problems with account restoration and number porting

**Requested features**

- Ability to change phone numbers easily
- Improved messaging capabilities including picture/video support
- Option to disable in-app purchases
- Detailed usage tracking and analytics


### Baby Tracker Master

[App page](https://appshunter.io/ios/app/baby-tracker-master/id6806099284)

This app helps parents and caregivers track baby's feedings, sleep, and diaper changes. It syncs data in real-time between devices and allows sharing with family members. Features include automated feeding reminders, vaccination schedules, growth charts, and a shared family gallery.

**Highlights:** Real-time data syncing, Feeding, sleep, and diaper tracking, Automated feeding reminders, Vaccination and visit schedules, Growth charts and trend analysis, Shared family photo gallery, Private family chat

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $14.99 | one-time |


## Frequently asked questions

### Is Nextline free?

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

### Is Baby Tracker Master free?

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

### Which has better reviews, Nextline or Baby Tracker Master?

Baby Tracker Master is rated higher. Nextline averages 4.7 out of 5 from 9.5K ratings, while Baby Tracker Master averages 5.0 from 1 ratings.

### Do Nextline or Baby Tracker Master have ads?

Neither Nextline nor Baby Tracker Master shows ads.

### Which is updated more often, Nextline or Baby Tracker Master?

Nextline ships an update fortnightly, and Baby Tracker Master every 3 days. Most recently, Nextline was updated on November 6, 2026 and Baby Tracker Master on October 31, 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.*