# Rocket Memo vs Deadline Backsolve

The clearest difference is price: Rocket Memo at Free against Deadline Backsolve's $0.99. Deadline Backsolve's advantage is in-app purchases (none vs 4) and review sentiment (100% vs 80%). On ads, device support and iOS requirement there is nothing between them.

Rocket Memo is free to download; Deadline Backsolve costs $0.99 up front. Rocket Memo sells 4 one-off in-app purchases. Deadline Backsolve asks for nothing beyond the download.

Rocket Memo ships an update every 2 weeks, Deadline Backsolve weekly. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Rocket Memo | Deadline Backsolve |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 6 MB | 4 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yoshinori Kasaya](https://appshunter.io/developer/1460652803) | [Daisuke Yamaguchi](https://appshunter.io/developer/880950899) |

## What reviewers say

### Rocket Memo

[App page](https://appshunter.io/ios/app/rocket-memo/id1472141702)

Capture thoughts instantly with a fast, distraction-free editor. Organize notes with tags and find them quickly using a powerful search. Set reminders for important items to ensure nothing is forgotten.

**Highlights:** Instant thought capture, Distraction-free editor, Tag-based organization, Lightning-fast search, Note reminders, Cross-device support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $0.99 | one-time |
| RocketMemo Pro (One-Time) | $2.99 | one-time |
| Croissant & Coffee | $3.99 | one-time |
| Cake & Coffee | $9.99 | one-time |


### Deadline Backsolve

[App page](https://appshunter.io/ios/app/deadline-backsolve-planner/id6796252958)

This app helps you adjust project plans when deadlines are at risk. It calculates the shortfall and suggests concrete adjustments like extending deadlines or reducing scope. The interface is currently in Japanese only.

**Highlights:** Calculates shortfall and suggests fixes, Adjusts plans based on available time, Learns user's real work pace, Offers recovery plan options, Focus timer that survives crashes, Offline functionality, JSON export/import for data transfer

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

**In-app purchases:** none


## Frequently asked questions

### Is Rocket Memo free?

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

### Is Deadline Backsolve free?

Deadline Backsolve costs $0.99, with no in-app purchases.

### Do Rocket Memo or Deadline Backsolve have ads?

Neither Rocket Memo nor Deadline Backsolve shows ads.

### Which is updated more often, Rocket Memo or Deadline Backsolve?

Rocket Memo ships an update every 2 weeks, and Deadline Backsolve weekly. Most recently, Rocket Memo was updated on November 3, 2026 and Deadline Backsolve on November 6, 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.*