# Telmi vs WorkKeys Exam by Rocket Prep

The clearest difference is update cadence: Telmi at fortnightly against WorkKeys Exam by Rocket Prep's every 4 months. Telmi also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Telmi sells 2 in-app purchases, starting at $9.99 per month and WorkKeys Exam by Rocket Prep sells 6 in-app purchases, starting at $12.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Telmi ships an update fortnightly, WorkKeys Exam by Rocket Prep every 4 months. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Telmi | WorkKeys Exam by Rocket Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 74 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Olga Novikova](https://appshunter.io/developer/1759502288) | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) |

## What reviewers say

### Telmi

[App page](https://appshunter.io/ios/app/telmi-visual-communication/id6756391294)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly (Best value) | $79.99 | per year |


### WorkKeys Exam by Rocket Prep

[App page](https://appshunter.io/ios/app/workkeys-exam-by-rocket-prep/id6761813430)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorkKeys Weekly Full Access | $12.99 | per 7 days |
| WorkKeys Monthly Full Access | $32.99 | per month |
| WorkKeys Monthly Full Access | $32.99 | per month |
| WorkKeys_mock_tries_1 | $4.99 | one-time |
| WorkKeys_mock_tries_3 | $9.99 | one-time |
| WorkKeys_mock_tries_5 | $14.99 | one-time |


## Frequently asked questions

### Is Telmi free?

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

### Is WorkKeys Exam by Rocket Prep free?

WorkKeys Exam by Rocket Prep is free to download, with in-app purchases available.

### Do Telmi or WorkKeys Exam by Rocket Prep have ads?

Neither Telmi nor WorkKeys Exam by Rocket Prep shows ads.

### Which is updated more often, Telmi or WorkKeys Exam by Rocket Prep?

Telmi ships an update fortnightly, and WorkKeys Exam by Rocket Prep every 4 months. Most recently, Telmi was updated on October 7, 2026 and WorkKeys Exam by Rocket Prep on October 22, 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.*