# Instasign vs p7m Reader

The clearest difference is ads: p7m Reader at none against Instasign's shown. p7m Reader also leads on device support (4 vs 2). Instasign's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Instasign sells 4 one-off in-app purchases and p7m Reader sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Instasign ships an update every 10 days, p7m Reader weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Instasign | p7m Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Weekly** |
| Size | 148 MB | 36 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Cyberneid](https://appshunter.io/developer/1513016785) | [Prabin Chapagain](https://appshunter.io/developer/6794859189) |

## What reviewers say

### Instasign

[App page](https://appshunter.io/ios/app/instasign/id1590675539)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS | $0.99 | one-time |
| TimeStamp | $3.99 | one-time |
| Personal Stamp or Signature | $3.99 | one-time |
| Enable all options | $4.99 | one-time |


### p7m Reader

[App page](https://appshunter.io/ios/app/p7m-reader/id6794859187)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly access | $1.99 | per month |
| Yearly access | $17.99 | per year |
| Lifetime access | $34.99 | one-time |


## Frequently asked questions

### Is Instasign free?

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

### Is p7m Reader free?

p7m Reader is free to download, with in-app purchases available.

### Do Instasign or p7m Reader have ads?

Instasign shows ads; p7m Reader does not.

### Which is updated more often, Instasign or p7m Reader?

Instasign ships an update every 10 days, and p7m Reader weekly. Most recently, Instasign was updated on October 30, 2026 and p7m Reader on October 31, 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.*