# Baby Tunes vs Ring Sizer

The clearest difference is in-app purchases: Baby Tunes at none against Ring Sizer's 10. Baby Tunes also leads on update cadence (every 2 days vs weekly) and iOS requirement (12.0 vs 18.0). Ring Sizer's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Ring Sizer sells 10 in-app purchases, starting at $4.99 per 7 days. Baby Tunes asks for nothing beyond the download.

Baby Tunes ships an update every 2 days, Ring Sizer weekly. Both last shipped on November 4, 2026.

## The numbers

| Metric | Baby Tunes | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (36 ratings)](https://appshunter.io/ios/app/ring-sizer-risi/id6736565382/reviews)** |
| Number of ratings | — | **36** |
| Positive reviews | — | 88.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 90 MB | 21 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ejsak Group Sp. z o.o.](https://appshunter.io/developer/1163551278) | [Axel Le Pennec](https://appshunter.io/developer/671697425) |

## What reviewers say

### Baby Tunes

[App page](https://appshunter.io/ios/app/baby-tunes/id6476159586)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-risi/id6736565382)

Easily determine the perfect ring size from home. Measure fingers or existing rings with precision and convert sizes across international standards. Ideal for online shoppers and gift-givers.

**Highlights:** Measure ring diameter and circumference, Measure finger width, International size conversions, Save and share measurements, Metric and imperial units

**Features:** iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $5.99 | per 7 days |
| Weekly | $6.99 | per 7 days |
| Weekly | $6.99 | per 7 days |
| Weekly | $7.99 | per 7 days |
| Lifetime | $2.99 | one-time |
| Lifetime | $4.99 | one-time |
| Lifetime | $6.99 | one-time |
| Lifetime | $19.99 | one-time |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Baby Tunes free?

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

### Is Ring Sizer free?

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

### Do Baby Tunes or Ring Sizer have ads?

Baby Tunes shows ads; Ring Sizer does not.

### Which is updated more often, Baby Tunes or Ring Sizer?

Baby Tunes ships an update every 2 days, and Ring Sizer weekly. Most recently, Baby Tunes was updated on November 4, 2026 and Ring Sizer on November 4, 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.*