# LimeFlight vs ExplainMyLetter

The clearest difference is in-app purchases: LimeFlight at none against ExplainMyLetter's 1. ExplainMyLetter's advantage is update cadence (weekly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ExplainMyLetter sells 1 in-app purchase, starting at $3.99 per month. LimeFlight asks for nothing beyond the download.

LimeFlight ships an update every 5 months, ExplainMyLetter weekly. The most recent releases landed on September 11, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | LimeFlight | ExplainMyLetter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Size | 13 MB | 11 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LimeFlight AG](https://appshunter.io/developer/1173359096) | [Shamil Kerimov](https://appshunter.io/developer/1872174669) |

## What reviewers say

### LimeFlight

[App page](https://appshunter.io/ios/app/limeflight/id1173359097)

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

**In-app purchases:** none


### ExplainMyLetter

[App page](https://appshunter.io/ios/app/explainmyletter-ai-mail/id6758314545)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ExplainMyLetter Pro | $3.99 | per month |


## Frequently asked questions

### Is LimeFlight free?

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

### Is ExplainMyLetter free?

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

### Do LimeFlight or ExplainMyLetter have ads?

Neither LimeFlight nor ExplainMyLetter shows ads.

### Which is updated more often, LimeFlight or ExplainMyLetter?

LimeFlight ships an update every 5 months, and ExplainMyLetter weekly. Most recently, LimeFlight was updated on September 11, 2026 and ExplainMyLetter on September 8, 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.*