# CORE Calculator App vs tip.69

The clearest difference is rating: CORE Calculator App at 5.0 against tip.69's 4.8. tip.69's advantage is iOS requirement (9.0 vs 14.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. CORE Calculator App sells 3 in-app purchases, starting at $4.99 per month and tip.69 sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

CORE Calculator App holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 11 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

CORE Calculator App ships an update every 3 months, tip.69 every 2 months. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CORE Calculator App | tip.69 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/core-calculator-app/id1447118499/reviews)** | [4.8 (5 ratings)](https://appshunter.io/ios/app/tip69/id1460610078/reviews) |
| Number of ratings | **11** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 148 MB | 24 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [AsInt Inc.](https://appshunter.io/developer/1438397626) | [Mushroom DAO Holdings Corp.](https://appshunter.io/developer/813168429) |

## What reviewers say

### CORE Calculator App

[App page](https://appshunter.io/ios/app/core-calculator-app/id1447118499)

This app provides inspectors in the oil and gas industry with essential calculations for asset integrity. It offers tools for determining Tmin, MAWP, corrosion rates, and remaining life based on industry standards.

**Highlights:** Tmin calculations, MAWP calculations, Corrosion rate calculations, Remaining life determination, Construction material information, Damage mechanism identification

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Materials Lookup | $4.99 | per month |
| Damage Mech Screener | $9.99 | per month |
| Materials Lookup | $5.99 | one-time |


### tip.69

[App page](https://appshunter.io/ios/app/tip69/id1460610078)

This app merges social sharing with bill splitting, allowing users to add fun to their tips. Scan receipts with OCR to automatically capture bill totals and share them with a unique emoji.

**Highlights:** OCR receipt scanning, Automatic bill total extraction, Social sharing of receipts, Unique emoji claims, Funny tip rounding

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |
| Beer | $4.99 | one-time |
| Lunch | $9.99 | one-time |
| Night out | $39.99 | one-time |
| Watch | $42.99 | one-time |
| Snow | $46.99 | one-time |
| Trip | $49.99 | one-time |
| Shoes | $69.99 | one-time |


## Frequently asked questions

### Is CORE Calculator App free?

CORE Calculator App is free to download, with in-app purchases available.

### Is tip.69 free?

tip.69 is free to download, with in-app purchases available.

### Which has better reviews, CORE Calculator App or tip.69?

CORE Calculator App is rated higher. CORE Calculator App averages 5.0 out of 5 from 11 ratings, while tip.69 averages 4.8 from 5 ratings.

### Do CORE Calculator App or tip.69 have ads?

Neither CORE Calculator App nor tip.69 shows ads.

### Which is updated more often, CORE Calculator App or tip.69?

CORE Calculator App ships an update every 3 months, and tip.69 every 2 months. Most recently, CORE Calculator App was updated on October 17, 2026 and tip.69 on October 13, 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.*