# Tip Calculator vs Smart Adding Machine

The clearest difference is update cadence: Smart Adding Machine at every 3 weeks against Tip Calculator's every 6 months. Smart Adding Machine also leads on price ($3.99 vs $4.99). Tip Calculator's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Tip Calculator costs $4.99 and Smart Adding Machine $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tip Calculator ships an update every 6 months, Smart Adding Machine every 3 weeks. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Tip Calculator | Smart Adding Machine |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | **[4.9 (27 ratings)](https://appshunter.io/ios/app/tip-calculator-tap-tip-pro/id700227331/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 9 MB | 0 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Tardent Apps Inc.](https://appshunter.io/developer/309927206) | [Harry Detrick](https://appshunter.io/developer/1698895959) |

## What reviewers say

### Tip Calculator

[App page](https://appshunter.io/ios/app/tip-calculator-tap-tip-pro/id700227331)

Easily calculate the correct tip amount for your bills, even with complex taxes and multiple people splitting the cost. This tool simplifies tipping to ensure you always leave the right amount, saving you hassle and potential financial missteps.

**Highlights:** Calculate service-based tipping, Exclude sales taxes from tip calculation, Split bills up to 100 ways, Per-person billing and tipping, Currency switching, Simple tap and swipe interface, Social media sharing

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

**In-app purchases:** none


### Smart Adding Machine

[App page](https://appshunter.io/ios/app/smart-adding-machine/id6452400755)

**In-app purchases:** none


## Frequently asked questions

### Is Tip Calculator free?

Tip Calculator costs $4.99, with no in-app purchases.

### Is Smart Adding Machine free?

Smart Adding Machine costs $3.99, with no in-app purchases.

### Do Tip Calculator or Smart Adding Machine have ads?

Neither Tip Calculator nor Smart Adding Machine shows ads.

### Which is updated more often, Tip Calculator or Smart Adding Machine?

Tip Calculator ships an update every 6 months, and Smart Adding Machine every 3 weeks. Most recently, Tip Calculator was updated on September 12, 2026 and Smart Adding Machine on September 9, 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.*