ISC vs Butterfly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISC
Become a mystery shopper to evaluate brands and earn money in your spare time. Share your customer experience insights with leading brands to help them improve their service. Get paid for activities you already do, like shopping and making purchasing decisions.
- Sign up as an evaluator
- Evaluate brands and customer experiences
- Earn money for shopping
- Provide feedback to brands
- Share personal thoughts on service improvement
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Sign Up. Evaluate Brands. Make Money in Your Free Time. Want to Join the Team? We’d Love to Hear from You! As an Evaluator —our in-house name for our Mystery Shoppers —you have a big responsibility. You get to show leading brands exactly what their customers experience every day. You get to tell them how good their service is (or isn’t). And you get to share your personal thoughts on how they can do better to make people like you happy. Best of all? You get paid to do the kinds of things you’re already doing every day! We’re talking about going shopping, comparing brands, and making gut-level choices about what to buy— and what to leave on the shelf.
Butterfly
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Butterfly: Closer helps you reflect, communicate more clearly, and navigate relationships with greater confidence. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: ISC at none against Butterfly's 2. Butterfly's advantage is ads (none vs shown) and update cadence (daily vs every 2 months). On price, 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
Both are free to download. Butterfly sells 2 in-app purchases, starting at $9.99 per month. ISC asks for nothing beyond the download.
ISC ships an update every 2 months, Butterfly daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | ISC | Butterfly |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (31 ratings) — better | — |
| Positive reviews | 36.4% of reviews | — |
| Number of ratings | 31 — better | — |
| Update frequency | Every 2 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 26 MB | 69 MB |
| Age rating | 4+ | 12+ |
| Developer | Multisearch AG | Weikang Wang |
In-app purchases
ISC
No in-app purchases
Butterfly
- Butterfly: Closer Premium Monthly14 Days trial$9.991 Month
- Butterfly AI Premium Annual14 Days trial$69.991 Year
