# Soso vs Ondelle

The clearest difference is update cadence: Ondelle at daily against Soso's every 9 days. Ondelle also leads on rating (5.0 vs 4.7). Soso's advantage is ratings volume (854 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Soso sells 5 in-app purchases, starting at $9.99 per month and Ondelle sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Ondelle holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Soso has 854 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 93% of Soso's written reviews are positive against 100% of Ondelle's.

Soso ships an update every 9 days, Ondelle daily. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Soso | Ondelle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (854 ratings)](https://appshunter.io/ios/app/soso-first-period-tracker/id6757295825/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ondelle-cycle-tracker/id6809976187/reviews)** |
| Number of ratings | **854** | 1 |
| Positive reviews | 92.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 77 MB | 16 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Beyond Analytics Ltda](https://appshunter.io/developer/1707208777) | [skj enterprises llc](https://appshunter.io/developer/6809976429) |

## What reviewers say

### Soso

[App page](https://appshunter.io/ios/app/soso-first-period-tracker/id6757295825)

This app helps young girls understand puberty and track their menstrual cycles. It provides age-appropriate information, predicts the first period, and logs symptoms and moods without pressure.

**Highlights:** Predicts first period arrival, Tracks puberty stages, Logs cycle flow and spotting, Records moods and symptoms, Provides age-appropriate explanations, Offers daily check-ins and prompts, Visual calendar and history view

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Soso Plus: Monthly | $9.99 | per month |
| Soso Plus: Monthly | $9.99 | per month |
| Soso Plus: Yearly | $49.99 | per year |
| Soso Plus: Yearly | $49.99 | per year |
| First Period Prediction | $9.99 | one-time |


### Ondelle

[App page](https://appshunter.io/ios/app/ondelle-cycle-tracker/id6809976187)

Track your menstrual cycle, log symptoms, and view predictions privately. Offers detailed insights, pregnancy tracking, and birth control reminders with optional premium features.

**Highlights:** Period and symptom logging, Calendar view with fertile days, Cycle pattern insights, Pregnancy week tracking, Birth control reminders, Private data export and erasure

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ondelle Premium Monthly | $3.99 | per month |
| Ondelle Premium Annual | $29.99 | per year |
| Ondelle Premium Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Soso free?

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

### Is Ondelle free?

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

### Which has better reviews, Soso or Ondelle?

Ondelle is rated higher. Soso averages 4.7 out of 5 from 854 ratings, while Ondelle averages 5.0 from 1 ratings.

### Do Soso or Ondelle have ads?

Neither Soso nor Ondelle shows ads.

### Which is updated more often, Soso or Ondelle?

Soso ships an update every 9 days, and Ondelle daily. Most recently, Soso was updated on November 9, 2026 and Ondelle 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.*