Comparison

Simplifythis vs Arez AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Simplifythis

Manage and invoice clients directly from your mobile device. Track unbilled charges and create invoices instantly after providing services. View client details and manage charges efficiently.

Highlights
  • Client management
  • Charge tracking
  • Instant invoicing
  • On-the-go management
  • View client details
Features
Read full description

Simplifythis is the complete business-management suite for small service businesses — your booking website, scheduling, classes, and card payments, together in one place. Made for physiotherapists, tutors, personal trainers, coaches, salons, and studios. YOUR OWN BOOKING WEBSITE • A beautiful, branded website with online booking built in — no web designer needed • Clients discover your services and classes and book in seconds • Your brand, your site — it looks like it was made just for you SMART SCHEDULING • Manage appointments across your whole team in clean day and week views • Recurring appointments, per-staff calendars, and fast rebooking • Automatic email and text reminders that cut no-shows GROUP CLASSES, MADE SIMPLE • Create classes and courses, and manage enrollment, capacity, and waitlists • One-tap close-out: mark attendance and charge the whole class together • Sell class packs and track prepaid credit automatically BILLING & CARD PAYMENTS • Send professional invoices and get paid by card, powered by Stripe • Auto-bill on a schedule and charge saved cards automatically • Track balances, packages, and credit for every client and household CLIENT SELF-SERVICE • Clients book, reschedule, and pay from their phone or your website • Secure card payments, instant receipts, and booking confirmations • Households share one account, so families and teams book and pay together ALL IN ONE PLACE • Complete client records, notes, and history • Staff roles and permissions for your whole team • A smart dashboard that surfaces exactly what needs you today Simplifythis gives small businesses what the big platforms promise — without the complexity. Set up in minutes and run your whole day from your pocket. Card payments are processed securely by Stripe. Questions? Email support@simplifythis.com.

About

Arez AI

Streamline your contracting business with AI-powered estimates and project management. Generate detailed quotes from text, photos, or blueprints, send professional proposals, and track jobs from bid to paid. Optimize your workflow and close deals faster.

Highlights
  • AI-powered estimates from text, photos, or blueprints
  • Customizable pricing and supplier pricebooks
  • Electronic signature proposals
  • End-to-end project management dashboard
  • AI renovation previews
  • Invoicing and job costing
Features
Read full description

Arez is the AI estimating and job-management app built for contractors. Tap the mic on a job site and speak the scope — in English, Spanish, or a mix — or drop a photo or blueprint, and Arez writes a complete, itemized estimate in about 30 seconds. Then send a professional proposal, invoice online, and get paid — all from your phone. Built for HVAC, plumbing, electrical, flooring, painting, roofing, and remodeling pros. WIN MORE JOBS • AI estimates from voice, a photo, or a quick description — itemized with labor, materials, and markup • Local pricing that reflects your market and your saved rates • Branded proposals your clients can e-sign on their phone RUN THE WHOLE JOB • Redesigned project overview — value, next step, profit, and costs at a glance • Invoices with a clear Draft → Sent → Paid flow and online card/bank payments • Tasks and job-costing to keep every job on track and profitable FASTER ON SITE • In-chat photo analysis — snap a job site and get a scoped estimate • LiDAR Room Scanner for instant measurements (Pro) • Works on iPhone and iPad Arez learns your pricing and style over time, so every estimate sounds like you — and goes out faster. Start your free trial and send your first estimate today. Arez offers auto-renewing monthly subscriptions. Payment is charged to your Apple ID; your subscription renews automatically unless canceled at least 24 hours before the end of the period. Manage or cancel anytime in your App Store account settings. Terms: https://ai-arez.com/terms Privacy: https://ai-arez.com/privacy That subscription paragraph matters — Apple frequently rejects IAP apps whose description doesn't disclose the auto-renew terms.

Screenshots

Simplifythis4 screens
Arez AI4 screens

Verdict

The call

The clearest difference is rating: Arez AI at 5.0 against Simplifythis's 4.0. Arez AI also leads on update cadence (every 2 weeks vs every 3 months) and ratings volume (3 vs 1). Simplifythis's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Arez AI sells 3 in-app purchases, starting at $79.00 per month. Simplifythis asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Arez AI holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

Simplifythis ships an update every 3 months, Arez AI every 2 weeks. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

Scorecard5 real differences · 5 level
Simplifythis versus Arez AI: the parameters behind the verdict, then further details
ParameterSimplifythisArez AI
PriceFreeFree
Rating4.0 (1 ratings)5.0 (3 ratings) — better
Positive reviews75.0% of reviews—
Number of ratings13 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size95 MB46 MB
Age rating4+4+
DeveloperSimplifyThisGERARDO MARTINEZ GOMEZ

Customer experience

Simplifythis

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Arez AI

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Simplifythis

No in-app purchases

3 purchases

Arez AI

Subscriptions3
  • Starter$79.001 Month
  • Professional$159.001 Month
  • Agency$259.001 Month

Questions

Is Simplifythis free?
Simplifythis is free to download, with no in-app purchases.
Is Arez AI free?
Arez AI is free to download, with in-app purchases available.
Which has better reviews, Simplifythis or Arez AI?
Arez AI is rated higher. Simplifythis averages 4.0 out of 5 from 1 ratings, while Arez AI averages 5.0 from 3 ratings.
Do Simplifythis or Arez AI have ads?
Neither Simplifythis nor Arez AI shows ads.
Which is updated more often, Simplifythis or Arez AI?
Simplifythis ships an update every 3 months, and Arez AI every 2 weeks. Most recently, Simplifythis was updated on October 2, 2026 and Arez AI on October 8, 2026.

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