# TriTab Calc Flex vs 习惯成了

The clearest difference is price: 习惯成了 at Free against TriTab Calc Flex's $1.99. 习惯成了 also leads on in-app purchases (none vs 2) and ads (none vs shown). On update cadence there is nothing between them.

习惯成了 is free to download; TriTab Calc Flex costs $1.99 up front. TriTab Calc Flex sells 2 one-off in-app purchases. 习惯成了 asks for nothing beyond the download.

TriTab Calc Flex ships an update every 6 days, 习惯成了 weekly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | TriTab Calc Flex | 习惯成了 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Weekly |
| Size | 7 MB | 44 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [HIROKI MURAI](https://appshunter.io/developer/6785739401) | [晓 杨](https://appshunter.io/developer/1787793900) |

## What reviewers say

### TriTab Calc Flex

[App page](https://appshunter.io/ios/app/tritab-calc-flex-calculator/id6793307201)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Calculator Pack | $1.99 | one-time |
| Display & Ad-Free Pack | $2.99 | one-time |


### 习惯成了

[App page](https://appshunter.io/ios/app/id6797415331)

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

**In-app purchases:** none


## Frequently asked questions

### Is TriTab Calc Flex free?

TriTab Calc Flex costs $1.99, and also offers in-app purchases.

### Is 习惯成了 free?

习惯成了 is free to download, with no in-app purchases.

### Do TriTab Calc Flex or 习惯成了 have ads?

TriTab Calc Flex shows ads; 习惯成了 does not.

### Which is updated more often, TriTab Calc Flex or 习惯成了?

TriTab Calc Flex ships an update every 6 days, and 习惯成了 weekly. Most recently, TriTab Calc Flex was updated on October 31, 2026 and 习惯成了 on November 10, 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.*