# RollGuard vs TriTab Calc Flex

The clearest difference is price: RollGuard at Free against TriTab Calc Flex's $1.99. RollGuard also leads on ads (none vs shown). TriTab Calc Flex's advantage is iOS requirement (17.6 vs 26.0). On update cadence, in-app purchases and device support there is nothing between them.

RollGuard is free to download; TriTab Calc Flex costs $1.99 up front. RollGuard sells 1 one-off in-app purchase and TriTab Calc Flex sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

RollGuard ships an update every 4 days, TriTab Calc Flex every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | RollGuard | TriTab Calc Flex |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/rollguard/id6792159185/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 55 MB | 6 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [David Smith](https://appshunter.io/developer/1834562089) | [HIROKI MURAI](https://appshunter.io/developer/6785739401) |

## What reviewers say

### RollGuard

[App page](https://appshunter.io/ios/app/rollguard/id6792159185)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RollGuard Pro | $19.99 | one-time |


### 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 |


## Frequently asked questions

### Is RollGuard free?

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

### Is TriTab Calc Flex free?

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

### Do RollGuard or TriTab Calc Flex have ads?

TriTab Calc Flex shows ads; RollGuard does not.

### Which is updated more often, RollGuard or TriTab Calc Flex?

RollGuard ships an update every 4 days, and TriTab Calc Flex every 5 days. Most recently, RollGuard was updated on October 24, 2026 and TriTab Calc Flex on October 24, 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.*