# SLM Authenticator vs ChartLre

The clearest difference is in-app purchases: SLM Authenticator at none against ChartLre's 3. SLM Authenticator also leads on iOS requirement (11.0 vs 13.0). ChartLre's advantage is device support. On price there is nothing between them.

Both are free to download. ChartLre sells 3 in-app purchases, starting at $3.99 per year. SLM Authenticator asks for nothing beyond the download.

## The numbers

| Metric | SLM Authenticator | ChartLre |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 58.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 9 months |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 32 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [SLM Cloud](https://appshunter.io/developer/1308366633) | [侠光 邢](https://appshunter.io/developer/1061504196) |

## What reviewers say

### SLM Authenticator

[App page](https://appshunter.io/ios/app/slm-authenticator/id1308366634)

**In-app purchases:** none


### ChartLre

[App page](https://appshunter.io/ios/app/chartlre-create-charts/id1440556491)

Easily create custom tables and a wide variety of charts, including line, pie, and radar graphs. Save and share your creations with flexible style options. Ideal for managing schedules, reports, and data visualization.

**Highlights:** Create custom tables, Generate various chart types, Customizable styles, colors, fonts, One-click sharing, Save tables to albums, Supports multiple chart formats

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $3.99 | per year |
| upgrade Pro | $4.99 | one-time |
| remove ad | $5.99 | one-time |


## Frequently asked questions

### Is SLM Authenticator free?

SLM Authenticator is free to download, with no in-app purchases.

### Is ChartLre free?

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

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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.*