## ⚠ Content Warning

This report covers topics classified as sensitive (finance). Information is aggregated from public sources for informational purposes only. This is not financial or investment advice. Always do your own research.

---
last_verified: "2026-05-19T18:47:45.241Z"
---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "CalcTape Calculator with Tape"
developer_entity: "schoettler Software GmbH"
bundle_id: "de.sfr.calctape"
app_store_id: "945336271"
category: "Finance"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-05-14"
report_date: "2026-05-19"
last_verified: "2026-05-19"
report_version: "6.1.0"
total_reviews: 49015
overall_rating: 4.64
confidence: "low"
confidence_score: 0.25
data_age_days: 0
momentum_velocity: "intense"
intelligence_version: 2
tags: ["finance", "free", "mobile app", "app review", "app analysis", "daily", "users", "require"]
canonical_url: "https://marlvel.ai/intel-report/finance/de-sfr-calctape"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# CalcTape Calculator with Tape App Audit

## TL;DR {#tldr}

- **Category**: Finance · Free
- **Signal**: Rating 4.64

> **TL;DR:** CalcTape Calculator with Tape is a finance app by schoettler Software GmbH, rated 4.64/5 by 49K users, available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** CalcTape Calculator with Tape is a finance app by schoettler Software GmbH.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.64/5 (49K reviews) |
| **Category** | Finance |
| **Developer** | schoettler Software GmbH |
| **Pricing** | Free |
| **Platforms** | iOS & Android |
| **Confidence** | Low (0.25/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** schoettler Software GmbH
- **Category:** Finance
- **Target Audience:** Daily users who require a transparent, editable calculation history for personal or professional financial tasks.
- **Platforms:** iOS & Android
- **Version Audited:** 6.1.0
- **Audit Date:** 2026-05-19
- **Signal Count:** 5 reviews analyzed
- **Confidence:** Low (0.25/1.0)
- **App Store ID (iOS):** 945336271
- **Bundle ID:** de.sfr.calctape
- **Google Play ID:** de.sfr.calctape
- **Data Window:** Analysis based on signals collected up to 2026-05-19
- **Short Description:** Calculator thought from scratch! Calculate, comment and correct instantly.

<!-- section:executive-snapshot -->
## Executive Snapshot
CalcTape is a calculator app that combines the functionality of a standard calculator with a persistent paper tape and note-taking capabilities. It allows users to review, edit, and insert figures into long calculations, with all subsequent results updating automatically.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Editable Paper Tape:** Users can modify, insert, or delete figures anywhere in the calculation history, triggering automatic updates to all subsequent results.
- **[Standard] Note-like Interface:** The app functions similarly to a spreadsheet or note-taking app, allowing for flexible cursor placement and calculation adjustments.
- **[Standard] Calculation Overview:** Provides a clear, persistent view of all entered figures to ensure accuracy during long, multi-step calculations.
  * *User Intent:* Users seek enhanced value through premium features.
<!-- /section:features -->

## Monetization Strategy
- **Model:** Free
- **Price:** iOS: $5.99

<!-- section:momentum -->
## App Momentum (Intense) {#momentum}

Last updated 5d ago. 5 versions tracked.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 5 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

CalcTape Calculator with Tape is an established finance app that is completely free.
With a 4.64/5 rating from 49K reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** While users value the unique editable tape functionality, recent reports indicate technical issues regarding storage settings, keyboard input, and stability on newer hardware.
<!-- speakable-end -->

**Best for:** Daily users who require a transparent, editable calculation history for personal or professional financial tasks.

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.64/5 |
| Total Reviews | 49K |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **CalcTape Calculator with Tape** (this app) | 4.64/5 | N/A | schoettler Software GmbH |
| [Polymarket](https://marlvel.ai/intel-report/finance/polymarket) | 3.3/5 | Upset | Polymarket |
| [Fidelity Investments](https://marlvel.ai/intel-report/finance/fidelity-investments) | 4.5/5 | Frustrated | Fidelity Investments |
| [Kalshi: Trade News & Sports](https://marlvel.ai/intel-report/finance/kalshi-trade-news-sports) | 4.7/5 | Excited | KalshiEX LLC |
| [Webull: Investing & Trading](https://marlvel.ai/intel-report/finance/webull-investing-trading) | 4.6/5 | N/A | Webull Technologies Pte. Ltd. |
| [TurboTax: File Your Tax Return](https://marlvel.ai/intel-report/finance/com-intuit-turbotax) | 4.3/5 | Upset | Intuit Inc. |

## Company Profile
- **Developer:** schoettler Software GmbH
- **Website:** [https://www.calctape.com](https://www.calctape.com)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/calctape-paper-tape-calculator/id945336271?mt=12&uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=de.sfr.calctape)
- **Dev Site:** [Official Website](https://www.calctape.com)
- **Sources:** App store metadata, User reviews.

## Related Intel Reports
- [*Polymarket*](https://marlvel.ai/intel-report/finance/polymarket) (Polymarket) — 3.3/5 Rating | Terrible Sentiment
- [*Fidelity Investments*](https://marlvel.ai/intel-report/finance/fidelity-investments) (Fidelity Investments) — 4.5/5 Rating | Negative Sentiment
- [*Kalshi: Trade News & Sports*](https://marlvel.ai/intel-report/finance/kalshi-trade-news-sports) (KalshiEX LLC) — 4.7/5 Rating | Positive Sentiment
- [*Webull: Investing & Trading*](https://marlvel.ai/intel-report/finance/webull-investing-trading) (Webull Technologies Pte. Ltd.) — 4.6/5 Rating | N/A Sentiment
- [*TurboTax: File Your Tax Return*](https://marlvel.ai/intel-report/finance/com-intuit-turbotax) (Intuit Inc.) — 4.3/5 Rating | Terrible Sentiment
- [*hurdlr*](https://marlvel.ai/intel-report/finance/hurdlr) (Reuben Omolu) — 4.3/5 Rating | N/A Sentiment
- [*365-day savings plan-Easy Goal*](https://marlvel.ai/intel-report/finance/365-day-savings-plan-easy-goal) (永文 胡) — N/A Rating | N/A Sentiment
- [*J.P. Morgan Mobile*](https://marlvel.ai/intel-report/finance/j-p-morgan-mobile) (JPMorgan Chase & Co.) — 4.5/5 Rating | N/A Sentiment
- [*rapid! Pay*](https://marlvel.ai/intel-report/finance/rapid-pay) (Green Dot Corporation) — 4.4/5 Rating | N/A Sentiment
- [*Shoes Clothing Store Master HD*](https://marlvel.ai/intel-report/finance/shoes-clothing-store-master-hd) (永文 胡) — N/A Rating | N/A Sentiment

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting.
4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.25/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 5
- **Data Sources:** user reviews, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/finance/de-sfr-calctape)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.