Developer Ideas vs One Tool Box
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Developer Ideas
Capture and organize all your app concepts, from minor tweaks to major projects. This tool allows you to add unlimited ideas, attach images and sketches, and outline project briefs with cost estimations.
- Add unlimited ideas
- Assign images & sketches
- Outline project briefs
- Estimate costs
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Keep track of all your app ideas with Developer Ideas! No matter how big or small your idea may be it’s always worth recoding. Developer Ideas has been designed for quick and easy use, and with this version you can: - Add unlimited ideas - Assign images & sketches - Outline project briefs - Estimate costs And more!
One Tool Box
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One Tool Box brings together the everyday utilities you'd otherwise need a dozen separate apps for — documents, PDFs, photos, audio, and more — in one fast, focused app that never leaves your device. DOCUMENTS & PDF - Scan documents with auto-straightening and clean output - Sign PDFs by hand, place and flatten your signature - Merge, organize, reorder, and page-number PDFs - Compress PDFs while keeping text sharp - Password-protect PDFs and add watermarks - Convert PDFs to images and images to PDF - Copy IDs and passports to a print-ready sheet - Official letters and attestations for 7 countries (France, Germany, Spain, Italy, UK, US, China), written in the local language and ready to send PHOTOS & IMAGES - Retouch: heal blemishes, censor, adjust, apply filters and crop - Remove backgrounds automatically - Compress and convert between image formats - Add watermarks, stitch panoramas, compare images side by side - Crop to circles, split into grids, read EXIF data - Pick colors from any photo - Passport and ID photos sized to spec AUDIO & FILES - Transcribe recordings to text, fully on-device - Convert audio and video between common formats - Encrypt and decrypt files and folders, interoperable with your computer - A private vault for sensitive documents - OCR: pull text out of scanned pages and images - Translate text between languages - Word count and text utilities FOR LIFE IN FRANCE - Income tax and mileage allowance calculators - VAT calculator - IBAN checker - Notaire and calendar helpers Everything happens locally on your device: no accounts, no ads, no analytics, no data collection of any kind. One Tool Box contains no networking code whatsoever, so nothing you scan, sign, encrypt, or transcribe can ever leave your device. One purchase. Every tool. Nothing else needed.
Screenshots
Verdict
The clearest difference is in-app purchases: Developer Ideas at none against One Tool Box's 1. Developer Ideas also leads on update cadence (fortnightly vs monthly) and iOS requirement (8.0 vs 18.4). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. One Tool Box sells 1 one-off in-app purchase. Developer Ideas asks for nothing beyond the download.
Developer Ideas ships an update fortnightly, One Tool Box monthly. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.
| Parameter | Developer Ideas | One Tool Box |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 11 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Valentin Kalchev | 吉 汤 |
In-app purchases
Developer Ideas
No in-app purchases
One Tool Box
- Letters Export$0.99









