# IMERCFY vs Letteringo

The clearest difference is in-app purchases: IMERCFY at none against Letteringo's 5. IMERCFY also leads on update cadence (every 9 days vs every 3 weeks) and iOS requirement (12.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Letteringo sells 5 one-off in-app purchases. IMERCFY asks for nothing beyond the download.

IMERCFY ships an update every 9 days, Letteringo every 3 weeks. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | IMERCFY | Letteringo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 731 MB | 168 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thiruvengadam Krishnasamy](https://appshunter.io/developer/1688409222) | [ENVER AMIL](https://appshunter.io/developer/1873968406) |

## What reviewers say

### IMERCFY

[App page](https://appshunter.io/ios/app/imercfy/id6449259079)

**Features:** macOS Compatibility

**In-app purchases:** none


### Letteringo

[App page](https://appshunter.io/ios/app/letteringo/id6762132403)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instant Delivery | $0.99 | one-time |
| 1 Extra Pickup | $0.99 | one-time |
| Extra Delivery | $0.99 | one-time |
| 5 Extra Pickups | $3.99 | one-time |
| 3 Extra Bottle Sends | $3.99 | one-time |


## Frequently asked questions

### Is IMERCFY free?

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

### Is Letteringo free?

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

### Do IMERCFY or Letteringo have ads?

Neither IMERCFY nor Letteringo shows ads.

### Which is updated more often, IMERCFY or Letteringo?

IMERCFY ships an update every 9 days, and Letteringo every 3 weeks. Most recently, IMERCFY was updated on October 17, 2026 and Letteringo on October 2, 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.*